/* FrameFlow 设计系统
   —— 深色玻璃质感 + 青绿渐变主色,共享于 工具箱/Spine工作流/图片压缩 三页 */

:root {
  --bg: #131417;
  --bg-2: #191b20;
  --panel: #1e2026;
  --panel-2: #23262d;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.12);
  --text: #e8eaee;
  --text-2: #a3a8b3;
  --text-3: #6d727d;
  --accent: #34d399;
  --accent-2: #22d3ee;
  --accent-grad: linear-gradient(135deg, #34d399, #22d3ee);
  --danger: #ff7b6b;
  --radius: 14px;
  --radius-s: 9px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

/* hidden 属性优先于任何 display 规则(否则带 display 的面板会在 hidden 时透出) */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  font: 15px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(34, 211, 238, 0.08), transparent 60%),
    radial-gradient(900px 420px at -10% 110%, rgba(52, 211, 153, 0.07), transparent 60%),
    var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.busy { cursor: wait; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #33363e; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }

a { color: var(--accent); text-decoration: none; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  background: rgba(20, 21, 25, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16.5px; }
.brand .logo {
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--accent-grad);
  display: inline-flex; align-items: center; justify-content: center;
  color: #0c1210; font-weight: 800; font-size: 14.5px;
  box-shadow: 0 3px 12px rgba(52, 211, 153, 0.35);
}
.brand .ver {
  font-size: 11.5px; font-weight: 600; color: var(--accent);
  border: 1px solid rgba(52, 211, 153, 0.4);
  border-radius: 20px; padding: 1px 7px;
}
.backlink {
  color: var(--text-2); font-size: 13.5px;
  border: 1px solid var(--line-strong); border-radius: 20px;
  padding: 4px 12px; cursor: pointer; background: transparent;
}
.backlink:hover { color: var(--text); border-color: var(--accent); }
.topbar .spacer { flex: 1; }
.pagetitle { font-size: 14.5px; color: var(--text-2); }

/* ---------- 按钮 / 表单控件 ---------- */
.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}
.btn:hover { background: #2b2e36; border-color: rgba(255, 255, 255, 0.2); }
.btn.primary {
  background: var(--accent-grad);
  border: none;
  color: #0b1512;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(52, 211, 153, 0.25);
}
.btn.primary:hover { filter: brightness(1.08); box-shadow: 0 6px 20px rgba(52, 211, 153, 0.35); }
.btn.wide { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: default; box-shadow: none; }

/* 文本框统一深色:含无 type 与 type="text" 的裸输入框(部分页面 JS 动态创建时不带 type) */
input[type="number"], input[type="text"], input:not([type]), input.txt, textarea, select {
  background: #24262d;
  border: 1px solid var(--line-strong);
  color: var(--text);
  border-radius: 8px;
  padding: 4px 7px;
  font: inherit;
  font-size: 13.5px;
}
input[type="number"], input.txt { width: 64px; }
input.txt { width: 96px; }
textarea { width: 100%; resize: vertical; }
select { cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent); }

input[type="range"] {
  -webkit-appearance: none;
  width: 128px; height: 4px;
  background: #33363e;
  border-radius: 4px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent-grad);
  border: 2px solid #0e1210;
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.4);
  cursor: pointer;
}

/* ---------- 工具箱落地页 ---------- */
.hub-main {
  flex: 1;
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 44px 28px 30px;
}
.hero { margin-bottom: 34px; }
.hero h1 {
  margin: 0 0 8px;
  font-size: 30px;
  letter-spacing: 0.5px;
}
.hero h1 .grad {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { margin: 0; color: var(--text-2); font-size: 15.5px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px;
}
.tool-card {
  position: relative;
  display: block;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 22px 18px;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  overflow: hidden;
}
.tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(52, 211, 153, 0.45);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(52, 211, 153, 0.12);
}
.tool-card .icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  color: #0c1512;
}
.tool-card .icon.g1 { background: var(--accent-grad); box-shadow: 0 6px 18px rgba(52, 211, 153, 0.3); }
.tool-card .icon.g2 { background: linear-gradient(135deg, #a78bfa, #22d3ee); box-shadow: 0 6px 18px rgba(167, 139, 250, 0.28); }
.tool-card .icon svg { width: 24px; height: 24px; }
.tool-card h2 { margin: 0 0 6px; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.tool-card p { margin: 0 0 14px; color: var(--text-2); font-size: 14px; line-height: 1.6; }
.tool-card .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 12px; color: var(--text-2);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  padding: 2px 9px; border-radius: 20px;
}
.tool-card .corner {
  position: absolute; top: 16px; right: 16px;
  font-size: 12px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
}
.tool-card .corner.hl { background: var(--accent-grad); color: #0b1512; }
.tool-card .corner.ghost { color: var(--text-3); border: 1px dashed var(--line-strong); }
.tool-card.disabled { cursor: default; opacity: 0.55; filter: saturate(0.4); }
.tool-card.disabled:hover { transform: none; border-color: var(--line); box-shadow: none; }

.hub-foot {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 13px;
  display: flex; gap: 18px; flex-wrap: wrap;
}

/* ---------- 生图工作台邀请码门禁弹窗(首页点卡片弹出,不跳页) ---------- */
.gate-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .62);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.gate-dialog {
  width: 370px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow);
}
.gate-dialog h2 { margin: 0 0 6px; font-size: 19px; }
.gate-dialog .hint { margin: 0 0 16px; }
.gate-dialog .gate-input {
  width: 100%; padding: 8px 11px; font-size: 14.5px; margin-bottom: 14px;
  background: #24262d;
  border: 1px solid var(--line-strong);
  color: var(--text);
  border-radius: 8px;
}
.gate-dialog .gate-input::placeholder { color: var(--text-3); }
.gate-dialog .gate-input:focus { outline: none; border-color: var(--accent); }
.gate-error { color: var(--danger); font-size: 14px; margin: 12px 0 0; }

/* ---------- 工作页布局(共用于 Spine/压缩) ---------- */
.page-main { flex: 1; display: flex; min-height: 0; }

#left {
  width: 300px;
  overflow-y: auto;
  background: rgba(25, 27, 32, 0.7);
  border-right: 1px solid var(--line);
  flex-shrink: 0;
  padding: 6px 0 20px;
}
#left section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
#left section:last-child { border-bottom: none; }
#left h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--accent);
  display: flex; align-items: center; gap: 7px;
}
#left h3::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-grad);
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.6);
}
.row { display: flex; align-items: center; gap: 8px; margin: 7px 0; flex-wrap: wrap; }
.row.inline label { display: flex; align-items: center; gap: 4px; }
.hint { color: var(--text-3); font-size: 14px; margin-top: 5px; line-height: 1.55; }
.muted { color: var(--text-3); }
.swatch { width: 18px; height: 18px; border-radius: 5px; border: 1px solid var(--line-strong); display: inline-block; }
.refthumb { max-width: 100%; max-height: 110px; border-radius: 10px; border: 1px solid var(--line-strong); }

/* ---------- 中央画布 ---------- */
#center { flex: 1; display: flex; flex-direction: column; min-width: 0; padding: 14px 16px 10px; gap: 10px; }
#view {
  flex: 1;
  min-height: 0;
  width: 100%;
  background: #1a1b20;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  touch-action: none;
}
#brushBar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
#brushBar label { display: flex; align-items: center; gap: 5px; color: var(--text-2); font-size: 13.5px; }

/* ---------- 帧条 ---------- */
#strip {
  height: 122px;
  overflow-x: auto;
  display: flex;
  gap: 7px;
  background: rgba(25, 27, 32, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px;
  flex-shrink: 0;
}
.thumb {
  position: relative;
  width: 74px;
  flex-shrink: 0;
  border: 2px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.12s ease;
}
.thumb canvas { width: 74px; display: block; border-radius: 8px; }
.thumb:hover { border-color: rgba(255, 255, 255, 0.25); }
.thumb.current { border-color: var(--accent); box-shadow: 0 0 10px rgba(52, 211, 153, 0.25); }
.thumb.dropped { opacity: 0.25; }
.thumb .tl { text-align: center; font-size: 11.5px; color: var(--text-3); padding-top: 1px; }
.thumb input[type="checkbox"] { position: absolute; top: 3px; left: 5px; }

/* ---------- 循环候选 / 动画 chips ---------- */
#loopCandidates { display: flex; flex-direction: column; gap: 5px; margin-top: 8px; }
#loopCandidates .cand { text-align: left; font-size: 12.5px; border-radius: 8px; }
#loopList { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.chip {
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: #b9f0d9;
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 12.5px;
  display: inline-flex; align-items: center; gap: 5px;
}
.chip button { background: none; border: none; color: #9aa; padding: 0 2px; cursor: pointer; }

.genlog {
  background: #101215;
  border: 1px solid #2c2f36;
  border-radius: 10px;
  color: #9fd0a8;
  font: 10px/1.5 Consolas, monospace;
  padding: 8px;
  max-height: 170px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 6px 0;
}
.genlog, .genlog * { user-select: text; }

/* ---------- 底部状态栏 ---------- */
.statusbar {
  min-height: 32px;
  display: flex; align-items: center;
  padding: 5px 20px;
  color: #96c9a5;
  font-size: 13.5px;
  background: rgba(20, 21, 25, 0.82);
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}
.statusbar.error { color: var(--danger); }
#status.error { color: var(--danger); }

/* ---------- 图片压缩页 ---------- */
.czip-main {
  flex: 1;
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 26px 28px 30px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: 16px;
}
.czip-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  min-height: 0;
}
.czip-panel {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  overflow-y: auto;
}
.czip-panel h3 {
  margin: 0 0 12px;
  font-size: 13px; letter-spacing: 1.2px; color: var(--accent);
}
.czip-stage {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}
.dropzone {
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 26px 16px;
  text-align: center;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.15s ease;
  margin-bottom: 12px;
}
.dropzone:hover, .dropzone.over {
  border-color: var(--accent);
  background: rgba(52, 211, 153, 0.05);
  color: var(--text);
}
.compare {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  min-height: 240px;
}
.compare .cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.compare .cell h4 {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-2);
  display: flex; justify-content: space-between; align-items: center;
}
.compare .cell h4 .size { color: var(--accent); font-weight: 700; }
.pvwrap {
  flex: 1;
  min-height: 200px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background-image:
    linear-gradient(45deg, #23252b 25%, transparent 25%, transparent 75%, #23252b 75%),
    linear-gradient(45deg, #23252b 25%, transparent 25%, transparent 75%, #23252b 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
  background-color: #1b1c21;
}
.pvwrap canvas { max-width: 100%; max-height: 420px; object-fit: contain; }
.czip-empty {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--text-3); gap: 10px; font-size: 14.5px;
  border: 1px dashed var(--line-strong); border-radius: var(--radius);
  min-height: 260px;
}

/* 小屏兜底 */
@media (max-width: 900px) {
  .czip-grid { grid-template-columns: 1fr; }
  #left { width: 260px; }
}