/* =====================================================================
   海带索引图 FILM — 暗房 Darkroom 主题
   设计原则：
   - 暖炭黑阶底色（拒绝纯黑），安全灯琥珀为唯一强调色
   - 预览区是"灯箱"：比环境亮一档，让纸基索引图浮起
   - 动效节奏全部 token 化，与 gsap-ui.js 共用同一套时长/缓动
   ===================================================================== */

/* ===== 1. 设计 Token ===== */
:root {
  color-scheme: dark;

  /* 色彩 */
  --bg: #16130f;
  --bg-deep: #0f0c09;
  --surface: #1f1b16;
  --surface-2: #262119;
  --surface-3: #2f2820;
  --line: rgba(236, 229, 216, 0.11);
  --line-strong: rgba(236, 229, 216, 0.22);
  --ink: #ece5d8;
  --ink-bright: #f8f2e4;
  --muted: #a89d8a;
  --faint: #6f6656;
  --accent: #e0a458;
  --accent-strong: #c98a3e;
  --accent-dim: rgba(224, 164, 88, 0.14);
  --accent-line: rgba(224, 164, 88, 0.42);
  --danger: #d07a63;
  --danger-dim: rgba(208, 122, 99, 0.14);
  --on-accent: #241708;

  /* 兼容旧 token 名（百度网盘弹窗等直接引用） */
  --paper: var(--surface);
  --panel: var(--surface);
  --border: var(--line);
  --hover: var(--ghost-3);

  /* 字体 */
  --font-display: "Space Grotesk", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;
  --font-body: "Space Grotesk", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;
  --font-mono: "Cascadia Mono", "JetBrains Mono", Consolas, "SFMono-Regular", monospace;

  /* 圆角 */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-pill: 999px;

  /* 阴影（暖黑染色） */
  --shadow-1: 0 2px 10px rgba(6, 4, 1, 0.35);
  --shadow-2: 0 14px 36px rgba(6, 4, 1, 0.46);
  --shadow-3: 0 28px 72px rgba(4, 3, 1, 0.55);
  --glow-accent: 0 0 22px rgba(224, 164, 88, 0.22);

  /* 动效 token —— gsap-ui.js 同步维护一份 */
  --dur-micro: 120ms;
  --dur-standard: 220ms;
  --dur-emphasis: 360ms;
  --dur-scene: 650ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* 层级刻度 */
  --z-grain: 0;
  --z-shell: 1;
  --z-info: 70;
  --z-menu: 50;
  --z-hud: 60;
  --z-crop: 100;
  --z-modal: 110;
  --z-cloud: 200;

  /* 控件与表面（浅色模式经 [data-theme="light"] 覆写） */
  --control-bg: #14110d;
  --control-bg-hover: #181410;
  --control-bg-disabled: rgba(20, 17, 13, 0.6);
  --inset-bg: #12100c;
  --track: #3a332a;
  --btn-disabled-bg: #37302a;
  --accent-text: var(--accent);
  --ghost-1: rgba(236, 229, 216, 0.028);
  --ghost-2: var(--ghost-2);
  --ghost-3: rgba(236, 229, 216, 0.09);
  --well-bg: #0d0b08;
  --skeleton-a: #221d16;
  --skeleton-b: #2c251c;
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23a89d8a' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

  /* 复合背景栈 */
  --page-bg:
    radial-gradient(circle at 18% 0%, rgba(224, 164, 88, 0.05), transparent 34%),
    radial-gradient(circle at 82% 100%, rgba(120, 84, 40, 0.06), transparent 42%),
    linear-gradient(168deg, #191510 0%, #14110d 52%, #100d0a 100%);
  --side-bg:
    linear-gradient(180deg, var(--ghost-1), transparent 220px),
    var(--bg);
  --desk-bg:
    radial-gradient(ellipse at 50% 0%, rgba(255, 236, 204, 0.09), transparent 52%),
    linear-gradient(180deg, #211c15, #191510 60%, #15110d);
  --stage-bg:
    radial-gradient(circle at 50% 0%, rgba(224, 164, 88, 0.06), transparent 46%),
    linear-gradient(180deg, #1c1712, #16120e);
  --drop-bg:
    radial-gradient(circle at 50% 30%, rgba(224, 164, 88, 0.05), transparent 62%),
    #191512;
  --drop-bg-hover:
    radial-gradient(circle at 50% 30%, rgba(224, 164, 88, 0.1), transparent 66%),
    #1d1813;
  --checker-bg:
    linear-gradient(45deg, rgba(236, 229, 216, 0.045) 25%, transparent 25% 75%, rgba(236, 229, 216, 0.045) 75%),
    linear-gradient(45deg, rgba(236, 229, 216, 0.045) 25%, transparent 25% 75%, rgba(236, 229, 216, 0.045) 75%),
    #12100c;
}

/* ===== 1b. 浅色主题（暗房开灯）===== */
:root[data-theme="light"] {
  color-scheme: light;

  --bg: #f2ede2;
  --bg-deep: #eae4d6;
  --surface: #faf6ec;
  --surface-2: #f3eee2;
  --surface-3: #ffffff;
  --line: rgba(58, 48, 34, 0.13);
  --line-strong: rgba(58, 48, 34, 0.26);
  --ink: #2e2718;
  --ink-bright: #211a0e;
  --muted: #6f6350;
  --faint: #9a8d76;
  --accent: #c98a3e;
  --accent-strong: #a86f2c;
  --accent-dim: rgba(201, 138, 62, 0.14);
  --accent-line: rgba(160, 106, 38, 0.45);
  --danger: #b3543c;
  --danger-dim: rgba(179, 84, 60, 0.12);

  --hover: rgba(58, 48, 34, 0.06);

  --shadow-1: 0 2px 10px rgba(88, 70, 44, 0.14);
  --shadow-2: 0 14px 36px rgba(88, 70, 44, 0.18);
  --shadow-3: 0 28px 72px rgba(80, 62, 38, 0.22);
  --glow-accent: 0 0 20px rgba(201, 138, 62, 0.25);

  --control-bg: #fffdf7;
  --control-bg-hover: #ffffff;
  --control-bg-disabled: rgba(240, 235, 222, 0.85);
  --inset-bg: #eee7d8;
  --track: #d8cfbc;
  --btn-disabled-bg: #ddd5c6;
  --accent-text: #8f5a1a;
  --ghost-1: rgba(74, 58, 34, 0.04);
  --ghost-2: rgba(74, 58, 34, 0.06);
  --ghost-3: rgba(74, 58, 34, 0.1);
  --well-bg: #e9e2d2;
  --skeleton-a: #e7dfcd;
  --skeleton-b: #f2ebdb;
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236f6350' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

  --page-bg:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, 0.7), transparent 34%),
    linear-gradient(168deg, #f4efe4 0%, #ede7da 52%, #e6dfd0 100%);
  --side-bg:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 220px),
    var(--bg);
  --desk-bg:
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.65), transparent 52%),
    linear-gradient(180deg, #f6f1e5, #efe8d8 60%, #e9e1cf);
  --stage-bg:
    radial-gradient(circle at 50% 0%, rgba(201, 138, 62, 0.06), transparent 46%),
    linear-gradient(180deg, #fbf7ed, #f3edde);
  --drop-bg:
    radial-gradient(circle at 50% 30%, rgba(201, 138, 62, 0.07), transparent 62%),
    #f6f1e4;
  --drop-bg-hover:
    radial-gradient(circle at 50% 30%, rgba(201, 138, 62, 0.13), transparent 66%),
    #faf5e8;
  --checker-bg:
    linear-gradient(45deg, rgba(74, 58, 34, 0.06) 25%, transparent 25% 75%, rgba(74, 58, 34, 0.06) 75%),
    linear-gradient(45deg, rgba(74, 58, 34, 0.06) 25%, transparent 25% 75%, rgba(74, 58, 34, 0.06) 75%),
    #f1ebdc;
}

/* 浅色下降低颗粒存在感 */
[data-theme="light"] body::before {
  opacity: 0.035;
}

/* ===== 1c. 主题切换按钮 ===== */
.theme-toggle {
  margin-left: auto;
  width: 34px;
  min-height: 34px;
  padding: 0;
  flex: 0 0 auto;
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
}

/* 图标语义：显示即将切换到的目标模式 */
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }

[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ===== 1d. 启动序列预隐藏 =====
   数值与 gsap-ui.js 的 initBoot 初态严格一致；
   anim-boot 由 head 引导脚本添加、gsap-ui 同步解除，杜绝刷新闪现。 */
.anim-boot .brand-mark {
  opacity: 0;
  transform: scale(0.55);
}

.anim-boot .brand-copy {
  opacity: 0;
  transform: translateX(-16px);
}

.anim-boot .workflow-panel {
  opacity: 0;
  transform: translateY(24px);
}

.anim-boot .topbar {
  opacity: 0;
  transform: translateY(-18px);
}

.anim-boot .preview-wrap {
  opacity: 0;
  transform: translateY(16px);
}

/* ===== 2. 基础 ===== */
* {
  box-sizing: border-box;
}

html {
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  background:
    var(--page-bg);
  background-attachment: fixed;
}

/* 暗房颗粒：固定覆盖层，压在背景之上、内容之下 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

[hidden] {
  display: none !important;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(224, 164, 88, 0.32);
  color: var(--ink-bright);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

/* ===== 3. 应用骨架 ===== */
.app-shell {
  position: relative;
  z-index: var(--z-shell);
  display: grid;
  grid-template-columns: clamp(320px, 24vw, 380px) minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
  padding: 20px 18px 28px;
  border-right: 1px solid var(--line);
  background:
    var(--side-bg);
}

.workspace {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 20px 22px 24px;
}

/* ===== 4. 品牌区 ===== */
.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-copy {
  min-width: 0;
}

.brand-title-row {
  display: flex;
  gap: 9px;
  align-items: baseline;
  flex-wrap: wrap;
}

.brand h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.15;
}

.brand p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

/* 品牌 logo：暗房放大机灯箱 + 安全灯琥珀窗 */
.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  overflow: hidden;
  border-radius: var(--r-md);
  background:
    linear-gradient(90deg, transparent 9px, rgba(240, 232, 216, 0.85) 9px 13px, transparent 13px 31px, rgba(240, 232, 216, 0.85) 31px 35px, transparent 35px),
    linear-gradient(180deg, #2c2620, #171310);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    var(--shadow-1);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 10px 7px;
  border-radius: 3px;
  background: radial-gradient(circle at 50% 38%, #ffd9a0, var(--accent) 58%, #8a5a22);
  box-shadow: 0 0 14px rgba(224, 164, 88, 0.55), inset 0 0 4px rgba(80, 45, 8, 0.6);
}

.brand-film {
  padding: 2px 6px;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-sm);
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.2;
}

/* ===== 5. 侧栏面板 ===== */
.panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  transition:
    border-color var(--dur-standard) ease,
    box-shadow var(--dur-standard) ease;
}

.panel:hover {
  border-color: rgba(224, 164, 88, 0.2);
  box-shadow: var(--shadow-1);
}

.panel h2 {
  margin: 0;
  font-size: 15px;
}

.advanced-panel > summary,
.photo-list-section > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  user-select: none;
  min-height: 24px;
}

.advanced-panel > summary::-webkit-details-marker,
.photo-list-section > summary::-webkit-details-marker {
  display: none;
}

.advanced-panel > summary::after,
.photo-list-section > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--dur-standard) var(--ease-out);
}

.advanced-panel[open] > summary::after,
.photo-list-section[open] > summary::after {
  transform: rotate(-135deg);
}

.panel-section {
  display: grid;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.panel-section h3 {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.about-text {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.about-text strong {
  color: var(--ink);
  font-size: 13px;
}

.stock-advanced {
  display: grid;
  gap: 12px;
}

.stock-advanced summary {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  user-select: none;
}

.stock-actions {
  display: flex;
  gap: 8px;
}

.stock-actions .primary-button,
.stock-actions .text-button {
  flex: 1;
}

.stock-actions .primary-button {
  min-height: 38px;
}

/* ===== 6. 表单控件 ===== */
.field {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 13px;
}

.field > span:not(.field-label-with-value):not(.info-icon-wrapper) {
  color: var(--muted);
}

.field input,
.field select {
  width: 100%;
  min-height: 38px;
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--control-bg);
  color: var(--ink);
  transition:
    border-color var(--dur-micro) ease,
    background var(--dur-micro) ease,
    box-shadow var(--dur-micro) ease;
}

.field input:hover,
.field select:hover {
  border-color: rgba(224, 164, 88, 0.4);
  background: var(--control-bg-hover);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.14);
}

.field select {
  appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23a89d8a' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

.field input[type="color"] {
  height: 38px;
  padding: 4px 6px;
  cursor: pointer;
}

.field input[type="range"] {
  padding: 0;
  border: 0;
  background: transparent;
}

.field input:disabled,
.field select:disabled {
  border-color: var(--line);
  background: var(--control-bg-disabled);
  color: var(--faint);
  cursor: not-allowed;
}

.field-label-with-value {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.field-label-with-value output {
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.field-hint {
  color: var(--faint);
  font-size: 12px;
  line-height: 1.45;
}

.field .info-icon-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.field .info-icon-wrapper input,
.field .info-icon-wrapper select {
  flex: 1;
  min-width: 0;
}

.background-style-field {
  margin-top: 8px;
}

.background-blur-field.is-disabled {
  opacity: 0.45;
}

/* --- 自绘 range 滑块 --- */
input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: var(--r-pill);
  background: var(--track);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  margin-top: -5.5px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #241708;
  box-shadow: 0 1px 6px rgba(6, 4, 1, 0.5);
  transition: transform var(--dur-micro) var(--ease-out);
}

input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:active::-webkit-slider-thumb {
  transform: scale(1.18);
  background: #eebd77;
}

input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: var(--r-pill);
  background: var(--track);
}

input[type="range"]::-moz-range-progress {
  height: 4px;
  border-radius: var(--r-pill);
  background: var(--accent-strong);
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #241708;
  box-shadow: 0 1px 6px rgba(6, 4, 1, 0.5);
}

input[type="range"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- 自绘 checkbox --- */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  color: var(--ink);
  cursor: pointer;
  transition:
    border-color var(--dur-micro) ease,
    background var(--dur-micro) ease;
}

.checkbox-row:hover {
  border-color: rgba(224, 164, 88, 0.34);
  background: var(--hover);
}

.checkbox-row input[type="checkbox"],
.baidu-pan-select-all input[type="checkbox"],
.baidu-pan-item-checkbox {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  margin: 0;
  border: 1.5px solid var(--line-strong);
  border-radius: 4px;
  background: var(--control-bg);
  cursor: pointer;
  transition:
    background var(--dur-micro) ease,
    border-color var(--dur-micro) ease,
    box-shadow var(--dur-micro) ease;
}

.checkbox-row input[type="checkbox"]:checked,
.baidu-pan-select-all input[type="checkbox"]:checked,
.baidu-pan-item-checkbox:checked {
  border-color: var(--accent);
  background-color: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.4 6.4l2.4 2.4L9.8 3.6' fill='none' stroke='%23241708' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 11px;
}

.checkbox-row input[type="checkbox"]:hover,
.baidu-pan-item-checkbox:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(224, 164, 88, 0.16);
}

/* --- 分段单选 segmented --- */
.segmented {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--inset-bg);
}

.segmented-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.segmented label {
  min-width: 0;
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented span {
  display: block;
  padding: 7px 10px;
  border-radius: 5px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    color var(--dur-standard) ease,
    background var(--dur-standard) ease,
    box-shadow var(--dur-standard) ease;
}

.segmented span:hover {
  color: var(--ink);
}

.segmented input:checked + span {
  background: var(--surface-3);
  color: var(--ink-bright);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 2px 8px rgba(6, 4, 1, 0.4);
}

.segmented input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 排序三段：滑动指示条（--segment-index 由 app.js 写入） */
.sort-segmented {
  isolation: isolate;
  overflow: hidden;
}

.sort-segmented .segment-indicator {
  position: absolute;
  z-index: 0;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc((100% - 12px) / 3);
  border: 1px solid rgba(224, 164, 88, 0.36);
  border-radius: 5px;
  background: linear-gradient(180deg, rgba(224, 164, 88, 0.22), rgba(224, 164, 88, 0.1));
  box-shadow: inset 0 1px 0 rgba(255, 244, 222, 0.14);
  transform: translateX(calc(var(--segment-index, 0) * (100% + 3px)));
  transition: transform var(--dur-emphasis) var(--ease-out);
  pointer-events: none;
}

.sort-segmented label,
.sort-segmented label span {
  position: relative;
  z-index: 1;
}

.sort-segmented input:checked + span {
  background: transparent;
  color: var(--accent-text);
  box-shadow: none;
}

.sort-segmented:has(input:disabled) {
  opacity: 0.62;
}

/* --- info 说明浮标 --- */
.info-icon-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

/* 说明段里的图标独占一行：包装器撑满后，气泡以面板中线对齐，不会越出侧栏被裁 */
.hint .info-icon-wrapper {
  display: flex;
  width: 100%;
}

.info-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  border: 1px solid var(--faint);
  border-radius: 50%;
  color: var(--muted);
  font-family: Georgia, serif;
  font-size: 11px;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  transition:
    background var(--dur-micro) ease,
    color var(--dur-micro) ease,
    border-color var(--dur-micro) ease;
}

.info-icon:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}

.info-icon + .info-popup {
  display: none;
  position: absolute;
  z-index: var(--z-info);
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--surface-3);
  color: var(--ink);
  font-family: inherit;
  font-size: 12px;
  font-weight: 400;
  font-style: normal;
  line-height: 1.5;
  text-align: left;
  white-space: normal;
  box-shadow: var(--shadow-2);
  pointer-events: none;
}

.info-icon + .info-popup::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--surface-3);
}

.info-icon:hover + .info-popup {
  display: block;
}

/* ===== 7. 按钮 ===== */
.primary-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 40px;
  padding: 10px 18px;
  border: 0;
  border-radius: var(--r-md);
  background: linear-gradient(180deg, #ecb269, var(--accent));
  color: var(--on-accent);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 245, 225, 0.5),
    0 6px 18px rgba(160, 105, 35, 0.28);
  transition:
    background var(--dur-micro) ease,
    box-shadow var(--dur-standard) var(--ease-out),
    transform var(--dur-micro) var(--ease-out),
    filter var(--dur-micro) ease;
}

.primary-button:hover:not(:disabled) {
  background: linear-gradient(180deg, #f4bf7d, #e6ab5f);
  box-shadow:
    inset 0 1px 0 rgba(255, 245, 225, 0.55),
    0 8px 24px rgba(190, 128, 45, 0.38),
    var(--glow-accent);
  transform: translateY(-1px);
}

.primary-button:active:not(:disabled) {
  transform: translateY(1px) scale(0.98);
  filter: brightness(0.94);
}

.primary-button:disabled {
  background: var(--btn-disabled-bg);
  color: var(--faint);
  cursor: not-allowed;
  box-shadow: none;
}

.text-button,
.icon-button,
.crop-close,
.frame-export-close,
.baidu-pan-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--ghost-2);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--dur-micro) ease,
    border-color var(--dur-micro) ease,
    color var(--dur-micro) ease,
    box-shadow var(--dur-standard) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.text-button {
  padding: 6px 12px;
  font-size: 13px;
}

.icon-button {
  width: 36px;
  font-size: 20px;
  line-height: 1;
}

.text-button:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  border-color: rgba(224, 164, 88, 0.45);
  background: var(--ghost-3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-1);
}

.text-button:active:not(:disabled),
.icon-button:active:not(:disabled) {
  transform: translateY(1px) scale(0.97);
}

.text-button[aria-pressed="true"] {
  border-color: var(--accent-line);
  background: var(--accent-dim);
  color: var(--accent-text);
}

.text-button:disabled,
.icon-button:disabled {
  border-color: var(--line);
  color: var(--faint);
  background: transparent;
  cursor: not-allowed;
  opacity: 0.75;
}

/* 缩放字段 */
.zoom-field {
  display: grid;
  grid-template-columns: auto minmax(110px, 170px);
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--ghost-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  position: relative;
}

.zoom-field:hover {
  border-color: rgba(224, 164, 88, 0.4);
}

/* 计数读数 */
.counter {
  min-width: 70px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--inset-bg);
  color: var(--muted);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

#frameSelectionCounter {
  border-color: var(--accent-line);
  color: var(--accent-text);
}

/* ===== 8. 导入拖放区 ===== */
.drop-zone {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 118px;
  padding: 16px;
  overflow: hidden;
  border: 1.5px dashed rgba(224, 164, 88, 0.4);
  border-radius: var(--r-lg);
  background: var(--drop-bg);
  text-align: center;
  cursor: pointer;
  transition:
    border-color var(--dur-standard) ease,
    background var(--dur-standard) ease,
    box-shadow var(--dur-standard) ease,
    transform var(--dur-standard) var(--ease-spring);
}

.drop-zone:hover,
.drop-zone.is-dragging {
  border-color: var(--accent);
  background: var(--drop-bg-hover);
  box-shadow: var(--glow-accent);
  transform: translateY(-2px) scale(1.006);
}

.drop-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* 扫描扫光 */
.drop-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 34%, rgba(255, 214, 150, 0.16) 46%, transparent 58% 100%);
  opacity: 0;
  transform: translateX(-120%);
  pointer-events: none;
}

.drop-zone:hover::before,
.drop-zone.is-dragging::before {
  animation: scanSweep 980ms ease both;
}

.drop-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #f2c078, var(--accent-strong));
  color: var(--on-accent);
  font-size: 26px;
  line-height: 1;
  box-shadow: 0 0 16px rgba(224, 164, 88, 0.4), inset 0 1px 0 rgba(255, 248, 230, 0.6);
}

.drop-zone.is-dragging .drop-icon {
  animation: springPop 520ms cubic-bezier(0.18, 1.25, 0.35, 1) both;
}

.drop-title {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 700;
}

.drop-subtitle {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

/* 百度网盘入口按钮（app.js 动态注入） */
.baidu-pan-button {
  position: relative;
  width: 100%;
  margin-top: 12px;
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: rgba(236, 229, 216, 0.03);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  transition:
    border-color var(--dur-micro) ease,
    background var(--dur-micro) ease,
    box-shadow var(--dur-standard) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.baidu-pan-button:hover:not(:disabled) {
  border-color: rgba(224, 164, 88, 0.45);
  background: var(--ghost-3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-1);
}

.baidu-pan-button:active:not(:disabled) {
  transform: translateY(1px);
}

.baidu-pan-button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.baidu-pan-button .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  color: var(--accent-text);
}

.baidu-pan-button .icon svg {
  width: 100%;
  height: 100%;
}

/* ===== 9. 照片列表 ===== */
.photo-list-section > summary {
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.photo-list-count {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
}

.photo-list-content {
  display: grid;
  gap: 10px;
}

.photo-list-section .text-button {
  justify-self: stretch;
}

.photo-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.photo-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 5px 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ghost-1);
  cursor: grab;
  transition: border-color var(--dur-micro) ease, background var(--dur-micro) ease;
}

.photo-item:hover {
  border-color: rgba(224, 164, 88, 0.32);
  background: var(--ghost-2);
}

.photo-item.is-dragged {
  opacity: 0.4;
  border-style: dashed;
}

.photo-thumb {
  width: 44px;
  height: 30px;
  border-radius: 3px;
  object-fit: cover;
  background: var(--well-bg);
  box-shadow: 0 0 0 1px var(--ghost-3);
}

.photo-name {
  overflow: hidden;
  color: var(--ink);
  font-size: 12.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.photo-remove {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  transition:
    background var(--dur-micro) ease,
    color var(--dur-micro) ease;
}

.photo-remove:hover {
  background: var(--danger-dim);
  color: var(--danger);
}

.photo-quality {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--inset-bg);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.photo-quality-loading {
  border-color: var(--accent-line);
  color: var(--accent-text);
}

.photo-quality-error {
  border-color: rgba(208, 122, 99, 0.5);
  color: var(--danger);
}

/* 照片列表骨架屏（导入解析期间） */
.photo-skeleton {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 5px 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.photo-skeleton i {
  display: block;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--skeleton-a) 25%, var(--skeleton-b) 45%, var(--skeleton-a) 65%);
  background-size: 240% 100%;
  animation: skeletonShimmer 1.15s ease-in-out infinite;
}

.photo-skeleton i:first-child {
  width: 44px;
  height: 30px;
}

.photo-skeleton i:last-child {
  height: 12px;
  width: 68%;
  animation-delay: 90ms;
}

/* ===== 10. 调参面板 ===== */
#tuneFields {
  display: grid;
  gap: 10px;
  font-size: 13px;
}

.tune-row {
  display: grid;
  gap: 4px;
}

.tune-row span {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.tune-row b {
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ===== 11. 工作区顶栏 ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.workspace h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.preview-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.tool-group:first-child {
  padding-left: 0;
  border-left: 0;
}

/* 观片台入口按钮 */
.light-table-entry.text-button {
  position: relative;
  isolation: isolate;
  gap: 9px;
  min-height: 40px;
  padding: 4px 12px 4px 6px;
  overflow: hidden;
  text-align: left;
}

.light-table-entry-aperture {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(224, 164, 88, 0.3);
  border-radius: var(--r-sm);
  background:
    radial-gradient(circle at 50% 40%, rgba(224, 164, 88, 0.16), transparent 70%),
    #0d0b08;
}

.light-table-entry-aperture::before,
.light-table-entry-aperture::after {
  content: "";
  position: absolute;
  left: 3px;
  right: 3px;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(224, 205, 168, 0.5) 0 3px, transparent 3px 6px);
  opacity: 0.7;
}

.light-table-entry-aperture::before { top: 3px; }
.light-table-entry-aperture::after { bottom: 3px; }

.light-table-entry-aperture span {
  width: 17px;
  height: 13px;
  border: 1px solid rgba(255, 224, 166, 0.6);
  border-radius: 1px;
  background: radial-gradient(circle at 55% 43%, #fff3dc, #f2c47c 48%, rgba(201, 138, 62, 0.6));
  box-shadow: 0 0 8px rgba(224, 164, 88, 0.45);
  transition: box-shadow var(--dur-standard) ease;
}

.light-table-entry-label {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.light-table-entry-label strong {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.05;
  white-space: nowrap;
}

.light-table-entry-label small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.light-table-entry.text-button:hover:not(:disabled) .light-table-entry-aperture span {
  box-shadow: 0 0 14px rgba(224, 164, 88, 0.7);
}

.light-table-entry.text-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent-text);
}

.light-table-entry.text-button[aria-pressed="true"] .light-table-entry-aperture {
  border-color: var(--accent-line);
}

.light-table-entry.text-button[aria-pressed="true"] .light-table-entry-aperture span {
  box-shadow: 0 0 16px rgba(224, 164, 88, 0.85);
}

.light-table-entry.text-button:disabled .light-table-entry-aperture {
  filter: grayscale(1);
  opacity: 0.45;
}

/* ===== 12. 预览灯箱 ===== */
.preview-wrap {
  position: relative;
  display: grid;
  place-items: start center;
  min-height: 0;
  overflow: auto;
  padding: clamp(18px, 2.4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--desk-bg);
  box-shadow:
    inset 0 1px 0 rgba(255, 244, 222, 0.06),
    inset 0 20px 60px rgba(255, 226, 178, 0.03),
    var(--shadow-1);
  scrollbar-gutter: stable;
}

.preview-wrap.is-empty {
  place-items: stretch;
  overflow: hidden;
}

canvas {
  display: block;
  max-width: none;
  height: auto;
  border-radius: var(--r-sm);
  box-shadow:
    0 4px 14px rgba(4, 3, 1, 0.5),
    0 26px 64px rgba(4, 3, 1, 0.6);
}

.preview-wrap.is-empty canvas {
  opacity: 0;
  pointer-events: none;
  box-shadow: none;
}

.preview-wrap:not(.is-empty) canvas {
  cursor: grab;
  touch-action: none;
}

.preview-wrap.is-panning,
.preview-wrap.is-panning canvas {
  cursor: grabbing;
}

.preview-wrap.is-selecting-frame,
.preview-wrap.is-selecting-frame canvas {
  cursor: crosshair;
}

.preview-wrap.is-reordering,
.preview-wrap.is-reordering canvas {
  cursor: move;
}

/* 渲染落定：新索引图浮现 */
.preview-wrap.is-rendering canvas {
  animation: canvasSettle 560ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* 加载进度扫光条 */
.preview-wrap.is-loading::after {
  content: "";
  position: sticky;
  top: 0;
  left: 0;
  display: block;
  height: 3px;
  margin-bottom: -3px;
  background: linear-gradient(90deg, transparent, var(--accent), #ffd9a0, transparent);
  animation: loadingSweep 900ms ease-in-out infinite;
}

.drag-ghost {
  position: fixed;
  z-index: 60;
  width: 96px;
  height: 64px;
  overflow: hidden;
  border-radius: var(--r-sm);
  outline: 2px solid rgba(224, 164, 88, 0.9);
  box-shadow: var(--shadow-2);
  transform: translate(-50%, -60%) rotate(-2deg);
  pointer-events: none;
}

.drag-ghost img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 13. 空状态 · 数字检片台 ===== */
.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
  text-align: center;
}

.empty-state.is-hidden {
  display: none;
}

.film-stage {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  width: min(1040px, 100%);
  min-width: 0;
  padding: clamp(22px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--stage-bg);
  box-shadow:
    inset 0 1px 0 rgba(255, 244, 222, 0.05),
    var(--shadow-2);
  text-align: left;
  animation: filmStageIn 620ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.film-stage::before,
.film-stage::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

/* 相纸四角裁切标记 */
.film-stage::before {
  inset: 14px;
  border: 1px solid rgba(224, 164, 88, 0.14);
  border-radius: var(--r-sm);
}

.film-stage::after {
  top: 0;
  right: clamp(30px, 8vw, 96px);
  width: 1px;
  height: 100%;
  background: rgba(224, 164, 88, 0.14);
}

.film-heading,
.film-copy {
  position: relative;
  z-index: 2;
}

.film-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.film-index,
.film-format {
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.film-heading p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.film-format {
  padding: 5px 8px;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-sm);
  white-space: nowrap;
}

.film-viewport {
  position: relative;
  z-index: 2;
  min-width: 0;
  min-height: clamp(188px, 26vw, 292px);
  overflow: hidden;
  border: 1px solid rgba(224, 164, 88, 0.3);
  border-radius: var(--r-sm);
  background:
    radial-gradient(circle at 48% 42%, rgba(224, 164, 88, 0.13), transparent 36%),
    linear-gradient(180deg, #171310, #0c0a08 48%, #15110d);
  box-shadow:
    inset 0 0 0 5px rgba(4, 3, 1, 0.55),
    inset 0 18px 44px rgba(4, 3, 1, 0.5),
    0 18px 34px rgba(4, 3, 1, 0.4);
}

.film-rail {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  height: 9px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 45%),
    #221c15;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 3px 10px rgba(4, 3, 1, 0.6);
}

.film-rail-top { top: 14px; }
.film-rail-bottom { bottom: 14px; transform: rotate(180deg); }

.film-strip {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  grid-template-rows: 18px 12px minmax(94px, 1fr) 14px 18px;
  width: calc(100% + clamp(20px, 6vw, 80px));
  min-width: 0;
  height: clamp(148px, 20vw, 214px);
  padding: 8px 24px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045), transparent 14% 86%, rgba(255, 255, 255, 0.045)),
    #0a0806;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.07),
    0 14px 34px rgba(4, 3, 1, 0.6);
  transform: translate(-128%, -50%);
  animation: filmLoad 1100ms 180ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.film-sprockets {
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 22px,
    #cdc6b6 22px 36px,
    transparent 36px 54px
  );
  mask-image: radial-gradient(ellipse at center, #000 61%, transparent 64%);
  opacity: 0.9;
}

.film-edge-text {
  align-self: center;
  overflow: hidden;
  color: rgba(224, 164, 88, 0.92);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.24em;
  white-space: nowrap;
}

.film-frames,
.film-frame-numbers {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(5px, 0.8vw, 10px);
}

.film-frames span {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.13), transparent 33%),
    linear-gradient(155deg, #c9a86a, #5d6d5c 50%, #1d2a24);
  box-shadow: inset 0 0 24px rgba(4, 3, 1, 0.55);
  opacity: 0.16;
  filter: brightness(0.45) saturate(0.45);
  animation: filmExposeFrame 440ms calc(860ms + var(--frame-index, 0) * 90ms) ease forwards;
}

.film-frames span:nth-child(2n) {
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.12), transparent 33%),
    linear-gradient(155deg, #93a39b, #3c545c 52%, #131b20);
}

.film-frames span:nth-child(3n) {
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.12), transparent 33%),
    linear-gradient(155deg, #dcb173, #96604a 52%, #291712);
}

.film-frames span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255, 224, 158, 0.3) 47%, transparent 70%);
  transform: translateX(-140%);
}

.film-frame-numbers {
  color: rgba(224, 164, 88, 0.78);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  text-align: right;
}

.film-scan-gate {
  position: absolute;
  z-index: 4;
  top: 20px;
  bottom: 20px;
  left: 50%;
  width: clamp(62px, 9vw, 106px);
  border: 1px solid rgba(224, 164, 88, 0.56);
  background:
    linear-gradient(90deg, transparent, rgba(224, 164, 88, 0.18), transparent),
    rgba(224, 164, 88, 0.035);
  box-shadow:
    0 0 24px rgba(224, 164, 88, 0.2),
    inset 0 0 18px rgba(224, 164, 88, 0.12);
  opacity: 0;
  transform: translateX(-360%);
  animation: filmScanGate 900ms 1320ms ease-in-out forwards;
}

.film-progress {
  position: absolute;
  z-index: 5;
  right: 20px;
  bottom: 29px;
  left: 20px;
  height: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
}

.film-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), #ffdca6, transparent);
  background-size: 45% 100%;
  background-repeat: no-repeat;
  box-shadow: 0 0 12px rgba(224, 164, 88, 0.5);
  animation: filmProgress 1100ms ease-in-out infinite;
}

.film-copy {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: start;
  max-width: 620px;
}

.film-status-light {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(224, 164, 88, 0.12);
}

.film-copy h3 {
  margin: 0;
  color: var(--ink-bright);
  font-size: clamp(22px, 3vw, 33px);
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.film-copy p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

/* 空状态三态 */
.film-stage[data-film-state="dragging"] .film-viewport {
  border-color: rgba(224, 164, 88, 0.85);
  box-shadow:
    inset 0 0 0 5px rgba(4, 3, 1, 0.55),
    inset 0 0 36px rgba(224, 164, 88, 0.12),
    0 18px 38px rgba(160, 105, 35, 0.22);
}

.film-stage[data-film-state="dragging"] .film-strip {
  animation: filmNudge 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.film-stage[data-film-state="dragging"] .film-scan-gate {
  opacity: 0.8;
  transform: translateX(-50%);
  animation: none;
}

.film-stage[data-film-state="dragging"] .film-status-light {
  box-shadow: 0 0 0 5px rgba(224, 164, 88, 0.14), 0 0 18px rgba(224, 164, 88, 0.55);
}

.film-stage[data-film-state="reading"] .film-strip {
  transform: translate(-50%, -50%);
  animation: none;
}

.film-stage[data-film-state="reading"] .film-frames span,
.film-stage[data-film-state="dragging"] .film-frames span {
  opacity: 1;
  filter: none;
  animation: none;
}

.film-stage[data-film-state="reading"] .film-scan-gate {
  opacity: 0.9;
  animation: filmReadingGate 1300ms ease-in-out infinite;
}

.film-stage[data-film-state="reading"] .film-progress {
  opacity: 1;
}

.film-stage[data-film-state="reading"] .film-status-light {
  animation: filmStatusPulse 1100ms ease-in-out infinite;
}

/* ===== 14. Toast 通知 ===== */
.notice {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 300;
  max-width: min(520px, calc(100vw - 40px));
  padding: 11px 18px 11px 16px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md);
  background: rgba(22, 18, 14, 0.96);
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.5;
  box-shadow: var(--shadow-2);
  opacity: 0;
  transform: translateX(-50%) translateY(12px);
  transition:
    opacity var(--dur-standard) var(--ease-out),
    transform var(--dur-standard) var(--ease-out);
  pointer-events: none;
}

.notice.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== 15. 帧操作右键菜单 ===== */
.frame-menu {
  position: fixed;
  z-index: var(--z-menu);
  display: flex;
  flex-direction: column;
  min-width: 172px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(10px);
}

.frame-menu button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: 0;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--ink);
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur-micro) ease, color var(--dur-micro) ease;
}

.frame-menu button:hover {
  background: var(--ghost-3);
}

.frame-menu button[aria-checked="true"] {
  background: var(--accent-dim);
  color: var(--accent-text);
}

.frame-menu button[data-action="delete"] {
  color: var(--danger);
}

.frame-menu button[data-action="delete"]:hover {
  background: var(--danger-dim);
}

.menu-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
}

.frame-menu button:hover .menu-icon {
  color: var(--accent-text);
}

.frame-menu button[aria-checked="true"] .menu-icon {
  color: var(--accent-text);
}

/* ===== 16. 弹窗（裁切 / 单帧导出 / 整图导出）===== */
.crop-modal,
.frame-export-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crop-modal { z-index: var(--z-crop); }
.frame-export-modal { z-index: var(--z-modal); }

.crop-backdrop,
.frame-export-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 6, 3, 0.74);
  backdrop-filter: blur(6px);
}

.crop-container,
.frame-export-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow-3);
}

.crop-container {
  width: min(720px, calc(100vw - 40px));
  max-height: calc(100vh - 80px);
  border-radius: var(--r-lg);
}

.frame-export-container {
  width: min(430px, calc(100vw - 40px));
  max-height: calc(100vh - 60px);
  overflow: hidden;
  border-radius: 14px;
}

.crop-header,
.frame-export-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.crop-header {
  align-items: center;
}

.crop-header h3,
.frame-export-header h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.frame-export-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
}

.crop-close,
.frame-export-close {
  flex: 0 0 auto;
  width: 32px;
  min-height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
}

.crop-close:hover,
.frame-export-close:hover {
  border-color: transparent;
  background: var(--ghost-3);
  color: var(--ink);
  transform: none;
  box-shadow: none;
}

.crop-body,
.frame-export-body {
  display: grid;
  gap: 20px;
  overflow: auto;
  padding: 20px;
}

.crop-body {
  flex: 1;
}

.crop-preview-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  border-radius: var(--r-md);
  background: var(--well-bg);
}

#cropCanvas {
  display: block;
  max-width: 100%;
  max-height: 500px;
  border-radius: var(--r-sm);
}

.crop-overlay {
  position: absolute;
  border: 0;
  background: rgba(224, 164, 88, 0.1);
  cursor: move;
  box-shadow:
    inset 0 0 0 2px var(--accent),
    0 0 0 9999px rgba(4, 3, 1, 0.55);
}

.crop-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--ink-bright);
  box-shadow: 0 2px 6px rgba(4, 3, 1, 0.5);
}

.crop-handle.nw { top: -6px; left: -6px; cursor: nwse-resize; }
.crop-handle.ne { top: -6px; right: -6px; cursor: nesw-resize; }
.crop-handle.sw { bottom: -6px; left: -6px; cursor: nesw-resize; }
.crop-handle.se { bottom: -6px; right: -6px; cursor: nwse-resize; }

.crop-footer,
.frame-export-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}

.crop-footer .text-button,
.frame-export-footer .text-button {
  min-width: 80px;
}

.crop-footer .primary-button,
.frame-export-footer .primary-button {
  min-width: 120px;
}

.frame-export-preview-wrap {
  display: grid;
  min-height: 360px;
  place-items: center;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--checker-bg);
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;
}

#frameExportCanvas {
  display: block;
  max-width: 100%;
  max-height: 460px;
  /* 透明区域（含镂空齿孔）以灰白棋盘格示意 */
  background: conic-gradient(#ffffff 0 25%, #e3e1db 0 50%, #ffffff 0 75%, #e3e1db 0) 0 0 / 36px 36px;
}

.frame-export-controls {
  display: grid;
  align-content: start;
  gap: 16px;
}

.physical-toggle {
  display: grid;
  gap: 8px;
}

#physicalOptions {
  display: grid;
  gap: 16px;
}

#physicalOptions[hidden] {
  display: none;
}

#physicalReadout p {
  margin: 0;
  white-space: pre-line;
}

.frame-export-controls .field {
  padding: 0;
}

.frame-export-quality output {
  color: var(--accent-text);
  font-variant-numeric: tabular-nums;
}

.export-warning {
  margin: 0 22px 14px;
  padding: 10px 14px;
  border: 1px solid rgba(208, 122, 99, 0.4);
  border-radius: var(--r-md);
  background: var(--danger-dim);
  color: var(--danger);
  font-size: 12px;
  line-height: 1.45;
}

.export-warning:empty {
  display: none;
}

.frame-export-info {
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  background: var(--ghost-1);
}

.frame-export-info strong {
  display: block;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.frame-export-info p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* ===== 17. 百度网盘弹窗 ===== */
.baidu-pan-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-cloud);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.baidu-pan-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 6, 3, 0.74);
  backdrop-filter: blur(6px);
}

.baidu-pan-container {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 720px;
  max-height: 80vh;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-3);
}

.baidu-pan-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--ghost-1);
}

.baidu-pan-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}

.baidu-pan-header-actions {
  display: flex;
  gap: 8px;
}

.baidu-pan-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
}

.baidu-pan-up {
  flex: 0 0 auto;
  min-width: 34px;
  padding: 6px 9px;
}

.baidu-pan-breadcrumb {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  white-space: nowrap;
}

.baidu-pan-breadcrumb-segment {
  border: 0;
  padding: 4px 5px;
  background: transparent;
  color: var(--accent-text);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.baidu-pan-breadcrumb-segment:hover {
  text-decoration: underline;
}

.baidu-pan-breadcrumb-segment:disabled {
  color: var(--faint);
  cursor: default;
}

.baidu-pan-breadcrumb-separator {
  color: var(--faint);
  font-size: 12px;
}

.baidu-pan-select-all {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  min-height: 32px;
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
}

.baidu-pan-select-all:has(input:disabled) {
  color: var(--faint);
  cursor: default;
}

.baidu-pan-body {
  flex: 1 1 300px;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
}

.baidu-pan-loading,
.baidu-pan-empty,
.baidu-pan-error {
  padding: 60px 20px;
  color: var(--muted);
  text-align: center;
}

.baidu-pan-error {
  color: var(--danger);
}

.baidu-pan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}

.baidu-pan-item {
  position: relative;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ghost-1);
  cursor: pointer;
  text-align: center;
  transition:
    border-color var(--dur-micro) ease,
    background var(--dur-micro) ease,
    transform var(--dur-micro) var(--ease-out);
}

.baidu-pan-item:hover {
  border-color: rgba(224, 164, 88, 0.45);
  background: var(--ghost-2);
  transform: translateY(-1px);
}

.baidu-pan-item.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-line);
}

.baidu-pan-item-preview {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  margin-bottom: 8px;
  overflow: hidden;
  border-radius: var(--r-sm);
  background: var(--well-bg);
}

.baidu-pan-item-thumbnail {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.baidu-pan-item-icon {
  font-size: 32px;
}

.baidu-pan-thumbnail-error {
  max-width: 90%;
  color: var(--danger);
  font-size: 11px;
  line-height: 1.35;
}

.baidu-pan-item-checkbox {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: 12px;
  border-radius: 4px;
  box-shadow: 0 1px 5px rgba(4, 3, 1, 0.55);
}

.baidu-pan-item-name {
  max-height: 2.6em;
  overflow: hidden;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.3;
  word-break: break-all;
}

.baidu-pan-dir {
  padding-top: 8px;
}

.baidu-pan-dir .baidu-pan-item-preview {
  background: transparent;
}

.baidu-pan-dir .baidu-pan-item-icon {
  font-size: 40px;
}

.baidu-pan-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  background: var(--ghost-1);
}

.baidu-pan-selected {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.baidu-pan-footer-actions {
  display: flex;
  gap: 8px;
}

/* ===== 18. 观片台（沉浸模式）===== */
.light-table-hud,
.optical-loupe {
  --loupe-diameter: clamp(300px, 28vw, 390px);
}

.light-table-hud[hidden],
.optical-loupe[hidden] {
  display: none !important;
}

body.is-light-table {
  overflow: hidden;
  background: #060504;
}

body.is-light-table .app-shell {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  grid-template-columns: minmax(0, 1fr);
  overflow: hidden;
  background: #060504;
}

body.is-light-table .controls,
body.is-light-table .topbar {
  display: none;
}

body.is-light-table .workspace {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  padding: 0;
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
  background: #060504;
}

/* 进入观片台后预览区成为纯白灯箱 */
body.is-light-table .preview-wrap {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: clamp(24px, 4vw, 64px);
  border: 0;
  border-radius: 0;
  background: #fdfaf4;
  box-shadow: none;
  scrollbar-color: rgba(40, 30, 18, 0.28) transparent;
}

body.is-light-table #previewCanvas {
  border-radius: 0;
  box-shadow: 0 30px 80px rgba(20, 14, 6, 0.35);
}

.light-table-hud {
  position: fixed;
  z-index: var(--z-hud);
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 6px;
  border: 1px solid rgba(224, 164, 88, 0.24);
  border-radius: 13px;
  background: rgba(20, 16, 12, 0.92);
  box-shadow: var(--shadow-2), inset 0 1px rgba(255, 244, 222, 0.06);
  backdrop-filter: blur(16px);
  color: rgba(240, 233, 218, 0.88);
  font-family: var(--font-mono);
}

.light-table-hud button {
  min-width: 44px;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  color: rgba(240, 233, 218, 0.72);
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition:
    color var(--dur-micro) ease,
    background var(--dur-micro) ease;
}

.light-table-hud button:hover,
.light-table-hud button:focus-visible {
  color: var(--ink-bright);
  background: rgba(255, 244, 222, 0.09);
}

.light-table-exit {
  min-width: 96px !important;
  border-radius: 8px 2px 2px 8px !important;
  white-space: nowrap;
}

.light-table-status {
  max-width: 190px;
  padding: 0 8px 0 2px;
  overflow: hidden;
  color: rgba(214, 203, 182, 0.55);
  font-size: 11px;
  line-height: 1.35;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.light-table-magnification-readout {
  display: grid;
  min-width: 68px;
  min-height: 34px;
  place-items: center;
  padding: 7px 10px;
  border: 1px solid rgba(224, 164, 88, 0.4);
  border-radius: var(--r-md);
  color: var(--accent);
  background: rgba(224, 164, 88, 0.1);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* 光学观片镜 */
.optical-loupe {
  position: fixed;
  z-index: var(--z-menu);
  left: 0;
  top: 0;
  width: var(--loupe-diameter);
  height: var(--loupe-diameter);
  overflow: hidden;
  border: 1px solid rgba(224, 164, 88, 0.4);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(calc(var(--loupe-x, -400px) - 50%), calc(var(--loupe-y, -400px) - 50%), 0) scale(0.985);
  transition:
    opacity var(--dur-micro) ease,
    transform 150ms cubic-bezier(0.2, 0.75, 0.2, 1);
  box-shadow:
    0 16px 38px rgba(4, 3, 1, 0.5),
    0 0 0 6px rgba(224, 164, 88, 0.07),
    inset 0 0 30px rgba(4, 3, 1, 0.25);
  will-change: transform;
}

.optical-loupe.is-visible {
  opacity: 1;
  transform: translate3d(calc(var(--loupe-x) - 50%), calc(var(--loupe-y) - 50%), 0) scale(1);
}

.optical-loupe canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 50%;
  box-shadow: none;
}

.optical-loupe.is-hydrating::after {
  content: "ORIGINAL";
  position: absolute;
  left: 50%;
  bottom: 13px;
  padding: 3px 7px;
  border-radius: var(--r-pill);
  color: rgba(255, 240, 214, 0.85);
  background: rgba(10, 8, 5, 0.6);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  transform: translateX(-50%);
}

/* 镜内帧信息浮标：镜片上缘内侧 */
.loupe-frame-tag {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 50%;
  max-width: 82%;
  padding: 3px 8px;
  overflow: hidden;
  border-radius: var(--r-pill);
  background: rgba(10, 8, 5, 0.62);
  color: rgba(255, 240, 214, 0.92);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translateX(-50%);
}

/* HUD 状态自动淡出：检片画面更纯净，交互即复现 */
.light-table-hud .light-table-status {
  transition: opacity var(--dur-emphasis) ease;
}

body.hud-idle .light-table-hud .light-table-status {
  opacity: 0;
}

@media (hover: hover) and (pointer: fine) {
  body.is-light-table .preview-wrap.has-optical-loupe,
  body.is-light-table .preview-wrap.has-optical-loupe #previewCanvas {
    cursor: none;
  }
  body.is-light-table .light-table-hud,
  body.is-light-table .light-table-hud * {
    cursor: auto;
  }
  body.is-light-table .light-table-hud button {
    cursor: pointer;
  }
}

/* 聚焦模式：镜片外视野虚化压暗 */
body.is-light-table.is-loupe-focus .preview-wrap {
  /* 四周留出半个视口以上的滚动缓冲，任意边缘都能移到中心镜片下 */
  padding: max(52vh, 360px) max(52vw, 420px);
  scroll-padding: max(52vh, 360px) max(52vw, 420px);
}

body.is-light-table.is-loupe-focus .optical-loupe {
  --loupe-diameter: clamp(440px, 46vw, 660px);
  box-shadow:
    0 24px 64px rgba(4, 3, 1, 0.55),
    0 0 0 8px rgba(224, 164, 88, 0.08),
    inset 0 0 30px rgba(4, 3, 1, 0.3);
}

body.is-light-table.is-loupe-focus .workspace::after {
  content: "";
  position: fixed;
  z-index: 45;
  inset: 0;
  pointer-events: none;
  background: rgba(4, 3, 1, 0.2);
  backdrop-filter: blur(8px) saturate(0.72);
  -webkit-mask-image: radial-gradient(
    circle calc(var(--loupe-diameter, 540px) * 0.49) at 50% 50%,
    transparent 0 82%,
    rgba(4, 3, 1, 0.45) 94%,
    #000 112%
  );
  mask-image: radial-gradient(
    circle calc(var(--loupe-diameter, 540px) * 0.49) at 50% 50%,
    transparent 0 82%,
    rgba(4, 3, 1, 0.45) 94%,
    #000 112%
  );
}

/* 场景过场黑场幕布（gsap-ui.js 控制透明度） */
#sceneVeil {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: radial-gradient(ellipse at 50% 50%, rgba(10, 8, 5, 0.86), #060504 78%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

#sceneVeil.is-flash {
  opacity: 0.82;
}

/* ===== 19. 缩放数值气泡（gsap-ui.js 注入）===== */
#zoomBubble {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  z-index: 20;
  padding: 3px 8px;
  border: 1px solid var(--accent-line);
  border-radius: 5px;
  background: rgba(18, 14, 10, 0.95);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  opacity: 0;
  transform-origin: 50% 100%;
  pointer-events: none;
}

/* ===== 20. 滚动条 ===== */
html,
body,
.controls,
.preview-wrap,
.photo-list-content,
.crop-body,
.frame-export-body,
.frame-export-preview-wrap,
.baidu-pan-body,
.baidu-pan-breadcrumb {
  scrollbar-width: thin;
  scrollbar-color: rgba(168, 157, 138, 0.4) transparent;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
.controls::-webkit-scrollbar,
.preview-wrap::-webkit-scrollbar,
.photo-list-content::-webkit-scrollbar,
.crop-body::-webkit-scrollbar,
.frame-export-body::-webkit-scrollbar,
.frame-export-preview-wrap::-webkit-scrollbar,
.baidu-pan-body::-webkit-scrollbar,
.baidu-pan-breadcrumb::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
.controls::-webkit-scrollbar-track,
.preview-wrap::-webkit-scrollbar-track,
.photo-list-content::-webkit-scrollbar-track,
.crop-body::-webkit-scrollbar-track,
.frame-export-body::-webkit-scrollbar-track,
.frame-export-preview-wrap::-webkit-scrollbar-track,
.baidu-pan-body::-webkit-scrollbar-track,
.baidu-pan-breadcrumb::-webkit-scrollbar-track {
  background: transparent;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
.controls::-webkit-scrollbar-thumb,
.preview-wrap::-webkit-scrollbar-thumb,
.photo-list-content::-webkit-scrollbar-thumb,
.crop-body::-webkit-scrollbar-thumb,
.frame-export-body::-webkit-scrollbar-thumb,
.frame-export-preview-wrap::-webkit-scrollbar-thumb,
.baidu-pan-body::-webkit-scrollbar-thumb,
.baidu-pan-breadcrumb::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: var(--r-pill);
  background: rgba(168, 157, 138, 0.4);
  background-clip: padding-box;
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover,
.controls::-webkit-scrollbar-thumb:hover,
.preview-wrap::-webkit-scrollbar-thumb:hover,
.photo-list-content::-webkit-scrollbar-thumb:hover,
.crop-body::-webkit-scrollbar-thumb:hover,
.frame-export-body::-webkit-scrollbar-thumb:hover,
.frame-export-preview-wrap::-webkit-scrollbar-thumb:hover,
.baidu-pan-body::-webkit-scrollbar-thumb:hover,
.baidu-pan-breadcrumb::-webkit-scrollbar-thumb:hover {
  background: rgba(168, 157, 138, 0.65);
  background-clip: padding-box;
}

/* ===== 21. 关键帧 ===== */
@keyframes scanSweep {
  0% { opacity: 0; transform: translateX(-120%); }
  28% { opacity: 0.8; }
  100% { opacity: 0; transform: translateX(120%); }
}

@keyframes springPop {
  0% { transform: scale(1); }
  48% { transform: scale(1.18); }
  72% { transform: scale(0.94); }
  100% { transform: scale(1); }
}

@keyframes canvasSettle {
  0% { opacity: 0.45; transform: translateY(10px) scale(0.985); filter: blur(3px); }
  100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

@keyframes loadingSweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes skeletonShimmer {
  0% { background-position: 120% 0; }
  100% { background-position: -120% 0; }
}

@keyframes filmStageIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes filmLoad {
  0% { transform: translate(-128%, -50%); }
  72% { transform: translate(-46%, -50%); }
  100% { transform: translate(-50%, -50%); }
}

@keyframes filmExposeFrame {
  from { opacity: 0.16; filter: brightness(0.45) saturate(0.45); }
  to { opacity: 1; filter: brightness(1) saturate(1); }
}

@keyframes filmScanGate {
  0% { opacity: 0; transform: translateX(-360%); }
  16% { opacity: 0.9; }
  82% { opacity: 0.9; }
  100% { opacity: 0.3; transform: translateX(-50%); }
}

@keyframes filmNudge {
  0% { transform: translate(-50%, -50%); }
  55% { transform: translate(-46%, -50%); }
  100% { transform: translate(-50%, -50%); }
}

@keyframes filmReadingGate {
  0%, 100% { transform: translateX(-260%); }
  50% { transform: translateX(160%); }
}

@keyframes filmStatusPulse {
  0%, 100% { box-shadow: 0 0 0 5px rgba(224, 164, 88, 0.1); }
  50% { box-shadow: 0 0 0 8px rgba(224, 164, 88, 0.04), 0 0 18px rgba(224, 164, 88, 0.55); }
}

@keyframes filmProgress {
  0% { background-position: -80% 0; }
  100% { background-position: 180% 0; }
}

/* ===== 22. 无障碍：减少动态 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  /* 空状态舞台定格在最终画面 */
  .film-strip {
    transform: translate(-50%, -50%);
  }

  .film-frames span {
    opacity: 1;
    filter: none;
  }

  .film-scan-gate {
    opacity: 0.32;
    transform: translateX(-50%);
  }

  .optical-loupe {
    transition: none;
  }

  body.is-light-table.is-loupe-focus .workspace::after {
    backdrop-filter: none;
    background: rgba(4, 3, 1, 0.32);
  }
}

/* ===== 22b. 分步面板 =====
   设置按顺序分成四步卡片，摘要右侧常驻当前值，折叠后仍知道设了什么；
   底部操作栏独立于滚动区，导出按钮始终可见。 */
.steps {
  display: grid;
  gap: 10px;
}

.step {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  /* 不裁剪内容：卡片内的说明气泡要能探出卡片边界 */
  flex: 0 0 auto;
  transition:
    border-color var(--dur-standard) ease,
    box-shadow var(--dur-standard) ease;
}

/* 悬停 / 键盘聚焦时把整张卡抬到同级卡片之上，气泡才不会被下一张卡盖住 */
.step:hover,
.step:focus-within {
  z-index: 2;
  border-color: rgba(224, 164, 88, 0.2);
  box-shadow: var(--shadow-1);
}

.step > summary {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 11px 12px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.step > summary::-webkit-details-marker {
  display: none;
}

.step > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.step > summary::after,
.stock-advanced > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--dur-standard) var(--ease-out);
}

.step[open] > summary::after,
.stock-advanced[open] > summary::after {
  transform: rotate(-135deg);
}

/* 卡片内的次级折叠项（自定义型号里的高级外观）用同一套摘要与指示 */
.stock-advanced > summary {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 2px 0;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.stock-advanced > summary::-webkit-details-marker {
  display: none;
}

.stock-advanced > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.step-no {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-sm);
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
}

.step-title {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--ink-bright);
  font-size: 13px;
  font-weight: 700;
}

/* 次级卡片（自定义型号 / 高级设置 / 关于）：同一套卡片，标题降一级 */
.step.is-sub .step-title {
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}

/* 摘要右侧的当前值：收起后仍能读出这一步设了什么 */
.chip {
  flex: 0 1 auto;
  max-width: 52%;
  overflow: hidden;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--well-bg);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.chip.is-live {
  border-color: var(--accent-line);
  background: var(--accent-dim);
  color: var(--accent-text);
}

.step-body {
  display: grid;
  gap: 11px;
  padding: 0 12px 13px;
}

/* 步骤卡内的拖入区收窄，避免第一步过高 */
.step .drop-zone {
  min-height: 96px;
  padding: 14px;
  border-radius: var(--r-md);
}

/* 照片列表在卡片内限高：一次导入几十张也不会把第一步撑满，清空按钮始终可见 */
.step .photo-list {
  max-height: 232px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--faint) transparent;
}

.step .photo-list::-webkit-scrollbar {
  width: 8px;
}

.step .photo-list::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: var(--r-pill);
  background: var(--faint);
  background-clip: padding-box;
}

/* ===== 23. 无障碍：强制色彩 ===== */
@media (forced-colors: active) {
  body,
  html {
    background: Canvas;
  }

  body::before {
    display: none;
  }

  .controls,
  .panel,
  .preview-wrap,
  .film-stage,
  .notice,
  .frame-menu,
  .crop-container,
  .frame-export-container,
  .baidu-pan-container {
    border: 1px solid CanvasText;
    background: Canvas;
    box-shadow: none;
    backdrop-filter: none;
  }

  .sort-segmented .segment-indicator {
    background: Highlight;
    box-shadow: none;
  }

  .sort-segmented input:checked + span {
    color: HighlightText;
  }

  .light-table-entry.text-button,
  .light-table-entry-aperture,
  .light-table-entry-aperture span {
    border-color: ButtonText;
    color: ButtonText;
    background: ButtonFace;
    box-shadow: none;
    forced-color-adjust: auto;
  }

  .light-table-magnification-readout {
    border-color: CanvasText;
    color: CanvasText;
    background: Canvas;
  }

  body.is-light-table,
  body.is-light-table .app-shell,
  body.is-light-table .workspace,
  body.is-light-table .preview-wrap {
    background: Canvas;
  }

  body.is-light-table .light-table-hud,
  .optical-loupe {
    border: 1px solid CanvasText;
    background: Canvas;
    box-shadow: none;
    forced-color-adjust: auto;
  }

  body.is-light-table.is-loupe-focus .workspace::after {
    display: none;
  }

  html, body,
  .controls,
  .preview-wrap,
  .photo-list-content,
  .crop-body,
  .frame-export-body,
  .frame-export-preview-wrap,
  .baidu-pan-body,
  .baidu-pan-breadcrumb {
    scrollbar-color: auto;
  }
}

/* ===== 24. 响应式 ===== */

/* 中窄桌面：侧栏收窄、工具栏换列 */
@media (max-width: 1100px) and (min-width: 861px) {
  .app-shell {
    grid-template-columns: minmax(310px, 350px) minmax(0, 1fr);
  }

  .controls {
    padding: 16px;
  }

  .workspace {
    padding: 16px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .preview-tools {
    justify-content: flex-start;
    width: 100%;
  }
}

/* 平板及以下：单列堆叠 */
@media (max-width: 860px) {
  html,
  body {
    overflow-x: hidden;
  }

  .app-shell {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: visible;
  }

  .controls,
  .workspace,
  .panel,
  .brand-copy,
  .topbar,
  .preview-tools {
    min-width: 0;
    max-width: 100%;
  }

  .controls {
    width: 100%;
    min-height: auto;
    overflow: visible;
    overscroll-behavior: auto;
    scrollbar-gutter: auto;
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .workspace {
    width: 100%;
    grid-template-rows: auto auto;
    min-height: auto;
    min-height: 70vh;
    overflow: visible;
    padding: 14px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 14px;
  }

  .preview-tools {
    justify-content: flex-start;
    width: 100%;
  }

  .tool-group {
    padding-left: 0;
    border-left: 0;
  }

  .tool-group + .tool-group {
    margin-top: 6px;
  }

  .zoom-field {
    grid-template-columns: auto minmax(90px, 1fr);
    flex: 1 1 170px;
  }

  .preview-wrap {
    min-height: 58vh;
    padding: 14px;
  }

  .film-stage {
    padding: 22px 18px 26px;
  }
}

/* 单帧导出弹窗窄屏 */
@media (max-width: 720px) {
  .frame-export-container {
    width: min(100vw - 20px, 430px);
    max-height: calc(100vh - 20px);
  }

  .frame-export-body {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .frame-export-preview-wrap {
    min-height: 260px;
  }

  .export-warning {
    margin-inline: 16px;
  }
}

/* 手机：观片台 HUD 移到底部 */
@media (max-width: 700px) {
  .light-table-hud,
  .optical-loupe {
    --loupe-diameter: clamp(220px, 62vw, 300px);
  }

  body.is-light-table .preview-wrap {
    padding: 18px 12px max(88px, calc(env(safe-area-inset-bottom) + 76px));
  }

  .light-table-hud {
    top: auto;
    right: 50%;
    bottom: max(12px, env(safe-area-inset-bottom));
    max-width: calc(100vw - 24px);
    min-height: 52px;
    transform: translateX(50%);
  }

  .light-table-hud button {
    min-height: 44px;
  }

  .light-table-status {
    display: none;
  }

  .light-table-magnification-readout {
    min-width: 58px;
    min-height: 44px;
  }

  body.is-light-table.is-loupe-focus .optical-loupe {
    --loupe-diameter: clamp(310px, 88vw, 420px);
  }
}

/* 手机：网盘网格紧凑 */
@media (max-width: 640px) {
  .baidu-pan-container {
    max-height: 90vh;
  }

  .baidu-pan-toolbar {
    padding-inline: 14px;
  }

  .baidu-pan-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
  }

  .baidu-pan-item {
    padding: 7px;
  }

  .baidu-pan-item-checkbox {
    top: 10px;
    right: 10px;
  }

  .baidu-pan-item-icon {
    font-size: 28px;
  }
}

/* 小屏手机：空状态舞台压缩 */
@media (max-width: 560px) {
  .film-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .film-viewport {
    min-height: 180px;
  }

  .film-strip {
    grid-template-rows: 14px 10px minmax(76px, 1fr) 12px 14px;
    width: calc(100% + 24px);
    height: 138px;
    padding: 7px 12px;
  }

  .film-sprockets {
    background-image: repeating-linear-gradient(90deg, transparent 0 11px, #cdc6b6 11px 20px, transparent 20px 30px);
  }
}

/* 小屏手机：整体更紧凑 */
@media (max-width: 480px) {
  .controls {
    padding: 12px;
  }

  .brand {
    gap: 10px;
  }

  .brand h1 {
    font-size: 19px;
  }

  .panel {
    padding: 12px;
  }

  .segmented span {
    padding-inline: 6px;
  }

  .workspace {
    padding: 10px;
  }

  .preview-tools {
    justify-content: flex-start;
  }

  .counter {
    padding: 6px 10px;
  }

  .light-table-entry.text-button {
    min-height: 38px;
    padding: 3px 10px 3px 5px;
  }

  .light-table-entry-aperture {
    width: 27px;
    height: 27px;
  }
}