/* ===== AI 工具门户 · 全局样式（浅色主题） ===== */
:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #16202f;
  --muted: #6b7a90;
  --muted-2: #97a3b6;
  --primary: #3d5afe;
  --primary-dark: #2f47d6;
  --primary-soft: #eef1ff;
  --ok: #12a150;
  --ok-soft: #e8f8ef;
  --warn: #c77700;
  --warn-soft: #fff6e5;
  --danger: #d92d20;
  --danger-soft: #fdecea;
  --border: #e5e9f2;
  --border-strong: #d3dae7;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(22, 32, 47, .05), 0 8px 24px rgba(22, 32, 47, .06);
  --shadow-lg: 0 12px 40px rgba(22, 32, 47, .13);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 顶栏 ===== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px; height: 58px;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar .brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 15px; color: var(--text);
  text-decoration: none; letter-spacing: .2px;
}
.topbar .brand:hover { text-decoration: none; }
.brand-mark {
  width: 27px; height: 27px; border-radius: 8px;
  background: linear-gradient(135deg, #3d5afe, #7b5cff);
  display: grid; place-items: center;
  color: #fff; font-size: 15px;
  box-shadow: 0 3px 10px rgba(61, 90, 254, .35);
}
.topbar .spacer { flex: 1; }
.topbar nav { display: flex; gap: 4px; }
.topbar nav a {
  padding: 6px 12px; border-radius: 8px; color: var(--muted);
  font-size: 13.5px; font-weight: 500; text-decoration: none;
}
.topbar nav a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.topbar nav a.active { background: var(--primary-soft); color: var(--primary); }

.user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 6px 5px 12px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--border);
  font-size: 13px;
}
.user-chip .avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: linear-gradient(135deg, #3d5afe, #7b5cff);
  color: #fff; display: grid; place-items: center;
  font-size: 11px; font-weight: 700;
}
.user-chip .role-tag {
  font-size: 10.5px; padding: 1px 6px; border-radius: 5px;
  background: var(--warn-soft); color: var(--warn); font-weight: 600;
}
.btn-logout {
  border: none; background: transparent; color: var(--muted-2);
  cursor: pointer; font-size: 12.5px; padding: 4px 8px; border-radius: 6px;
}
.btn-logout:hover { background: var(--danger-soft); color: var(--danger); }

/* ===== 布局 ===== */
.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 24px 64px; }
.wrap-narrow { max-width: 900px; }

.page-title { font-size: 22px; font-weight: 700; margin: 0 0 6px; letter-spacing: -.3px; }
.page-sub { color: var(--muted); font-size: 13.5px; margin: 0 0 24px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-head {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.card-head h3 { margin: 0; font-size: 15px; font-weight: 650; }
.card-head .sub { color: var(--muted); font-size: 12.5px; }
.card-body { padding: 20px; }

/* ===== 工具卡片 ===== */
.tool-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
}
.tool-card {
  display: block; position: relative;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); text-decoration: none; color: inherit;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.tool-card:hover {
  transform: translateY(-2px); text-decoration: none;
  box-shadow: var(--shadow-lg); border-color: var(--border-strong);
}
.tool-card .t-icon {
  width: 42px; height: 42px; border-radius: 11px;
  background: var(--primary-soft); display: grid; place-items: center;
  font-size: 21px; margin-bottom: 13px;
}
.tool-card h4 { margin: 0 0 5px; font-size: 15.5px; font-weight: 650; }
.tool-card p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.55; }
.tool-card .go {
  margin-top: 14px; font-size: 12.5px; font-weight: 600; color: var(--primary);
  display: flex; align-items: center; gap: 4px;
}

/* ===== 表单 ===== */
.field { margin-bottom: 15px; }
.field label {
  display: block; font-size: 12.5px; font-weight: 600;
  color: var(--text); margin-bottom: 6px;
}
.field .hint { font-weight: 400; color: var(--muted-2); font-size: 11.5px; margin-left: 4px; }
input[type=text], input[type=password], textarea, select {
  width: 100%; padding: 9px 12px; font-size: 13.5px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: #fff; color: var(--text); font-family: var(--font);
  transition: border-color .14s, box-shadow .14s;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(61, 90, 254, .13);
}
textarea { resize: vertical; min-height: 68px; line-height: 1.6; }
textarea.mono { font-family: var(--mono); font-size: 12.5px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 14px; }
@media (max-width: 720px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 18px; font-size: 13.5px; font-weight: 600; font-family: var(--font);
  border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: background .14s, box-shadow .14s, opacity .14s;
  white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, #3d5afe, #5b47f5); color: #fff;
  box-shadow: 0 2px 8px rgba(61, 90, 254, .3);
}
.btn-primary:hover:not(:disabled) { box-shadow: 0 4px 14px rgba(61, 90, 254, .4); }
.btn-ghost { background: #fff; border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover:not(:disabled) { background: var(--bg); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: #fbdad6; }
.btn-sm { padding: 5px 11px; font-size: 12.5px; }
.btn-block { width: 100%; }

/* ===== 提示条 ===== */
.alert {
  padding: 11px 14px; border-radius: var(--radius-sm); font-size: 13px;
  margin-bottom: 16px; display: flex; gap: 9px; align-items: flex-start;
}
.alert-error { background: var(--danger-soft); color: #a1231a; }
.alert-ok { background: var(--ok-soft); color: #0a7439; }
.alert-info { background: var(--primary-soft); color: var(--primary-dark); }
.alert-warn { background: var(--warn-soft); color: #8a5300; }
.hidden { display: none !important; }

/* ===== 结果区 ===== */
.result-block { margin-bottom: 18px; }
.result-block .rb-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
}
.result-block .rb-head strong { font-size: 13.5px; }
.chip {
  font-size: 11.5px; padding: 2px 8px; border-radius: 999px;
  background: var(--bg); color: var(--muted); border: 1px solid var(--border);
}
.chip-ok { background: var(--ok-soft); color: var(--ok); border-color: #c8ecd8; }
.copy-box {
  position: relative; background: #fbfcfe; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 13px 14px;
  font-size: 13px; line-height: 1.75; white-space: pre-wrap; word-break: break-word;
}
.copy-box.mono { font-family: var(--mono); font-size: 12.3px; line-height: 1.65; }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: #fff; border: 1px solid var(--border-strong); border-radius: 7px;
  padding: 3px 10px; font-size: 11.5px; color: var(--muted); cursor: pointer;
  font-family: var(--font);
}
.copy-btn:hover { background: var(--primary-soft); color: var(--primary); border-color: #c5cdff; }
.copy-btn.done { background: var(--ok-soft); color: var(--ok); border-color: #c8ecd8; }

/* ===== 结果块：标题 / 描述 各成一块，块头各带独立复制按钮 ===== */
.res-block {
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: #fff; overflow: hidden;
}
.res-block + .res-block { margin-top: 16px; }
.res-head {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 13px; background: #f7f9fc; border-bottom: 1px solid var(--border);
}
.res-head strong { font-size: 13.5px; }
.res-copy {
  margin-left: auto; flex: none;
  background: var(--primary); color: #fff; border: 1px solid var(--primary);
  border-radius: 7px; padding: 5px 14px; font-size: 12.5px; font-weight: 600;
  font-family: var(--font); cursor: pointer;
}
.res-copy:hover { filter: brightness(1.08); }
.res-copy.done { background: var(--ok); border-color: var(--ok); }
.res-body { padding: 13px; }

/* 标题候选：主推加重，并标出「复制」按钮对应的那一条 */
.title-item + .title-item { margin-top: 12px; border-top: 1px dashed var(--border); padding-top: 12px; }
.title-item .ti-head { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.title-item.main .copy-box { background: #f6f8ff; border-color: #c5cdff; }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th {
  text-align: left; font-weight: 600; color: var(--muted); font-size: 12px;
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  white-space: nowrap; background: #fbfcfe;
}
table.data td {
  padding: 11px 12px; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: #fafbfe; }
.mono-sm { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.badge {
  display: inline-block; font-size: 11.5px; padding: 2px 8px;
  border-radius: 6px; font-weight: 600;
}
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-off { background: #eef0f4; color: var(--muted); }
.badge-admin { background: var(--warn-soft); color: var(--warn); }
.badge-member { background: var(--primary-soft); color: var(--primary); }
.badge-fail { background: var(--danger-soft); color: var(--danger); }
.badge-denied { background: var(--warn-soft); color: var(--warn); }

.tool-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.tag {
  font-size: 11.5px; padding: 2px 8px; border-radius: 6px;
  background: var(--primary-soft); color: var(--primary); font-weight: 500;
}
.tag-none { background: #eef0f4; color: var(--muted-2); }

/* ===== 统计卡 ===== */
.stat-grid {
  display: grid; gap: 14px; margin-bottom: 22px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.stat .n { font-size: 25px; font-weight: 700; letter-spacing: -.5px; line-height: 1.2; }
.stat .l { font-size: 12.5px; color: var(--muted); margin-top: 3px; }

/* ===== 标签页 ===== */
.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tabs button {
  border: none; background: transparent; padding: 10px 15px;
  font-size: 13.5px; font-weight: 600; color: var(--muted);
  cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
  font-family: var(--font);
}
.tabs button:hover { color: var(--text); }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ===== 登录页 ===== */
.login-page {
  min-height: 100vh; display: grid; place-items: center;
  background: linear-gradient(150deg, #eef1ff 0%, #f6f4ff 45%, #eaf4ff 100%);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 372px; background: var(--card);
  border-radius: 18px; padding: 34px 32px 30px;
  box-shadow: 0 18px 50px rgba(22, 32, 47, .13);
  border: 1px solid rgba(255, 255, 255, .8);
}
.login-card .logo {
  width: 46px; height: 46px; border-radius: 13px; margin: 0 auto 16px;
  background: linear-gradient(135deg, #3d5afe, #7b5cff);
  display: grid; place-items: center; color: #fff; font-size: 23px;
  box-shadow: 0 6px 18px rgba(61, 90, 254, .35);
}
.login-card h1 { font-size: 19px; text-align: center; margin: 0 0 5px; letter-spacing: -.2px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 12.8px; margin: 0 0 26px; }
.login-card .btn-primary { padding: 11px 18px; font-size: 14px; margin-top: 4px; }
.login-foot {
  margin-top: 22px; text-align: center;
  font-size: 11.5px; color: var(--muted-2); line-height: 1.7;
}

/* ===== 上传区 ===== */
.drop {
  border: 1.5px dashed var(--border-strong); border-radius: var(--radius-sm);
  padding: 20px; text-align: center; color: var(--muted);
  cursor: pointer; background: #fbfcfe; font-size: 13px;
  transition: border-color .14s, background .14s;
}
.drop:hover, .drop.over { border-color: var(--primary); background: var(--primary-soft); }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 11px; }
.thumb {
  position: relative; width: 66px; height: 66px; border-radius: 9px;
  overflow: hidden; border: 1px solid var(--border);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .x {
  position: absolute; top: 2px; right: 2px; width: 17px; height: 17px;
  border-radius: 50%; background: rgba(0, 0, 0, .6); color: #fff;
  border: none; cursor: pointer; font-size: 11px; line-height: 1;
  display: grid; place-items: center; padding: 0;
}

/* ===== 加载 ===== */
.spinner {
  width: 15px; height: 15px; border: 2px solid rgba(255, 255, 255, .4);
  border-top-color: #fff; border-radius: 50%;
  animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-box {
  padding: 40px 20px; text-align: center; color: var(--muted); font-size: 13.5px;
}
.loading-box .bar {
  width: 100%; max-width: 260px; height: 4px; border-radius: 2px;
  background: var(--border); margin: 14px auto 0; overflow: hidden;
}
.loading-box .bar i {
  display: block; height: 100%; width: 40%; border-radius: 2px;
  background: linear-gradient(90deg, #3d5afe, #7b5cff);
  animation: slide 1.25s ease-in-out infinite;
}
@keyframes slide {
  0% { transform: translateX(-105%); }
  100% { transform: translateX(255%); }
}

/* ===== 短视频工具 iframe ===== */
.video-frame {
  width: 100%; height: calc(100vh - 175px); min-height: 520px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow);
}

/* ===== 空状态 ===== */
.empty { text-align: center; padding: 46px 20px; color: var(--muted-2); font-size: 13.5px; }
.empty .ico { font-size: 32px; margin-bottom: 10px; opacity: .55; }

/* ===== 大上传区（传图为主的操作） ===== */
.drop-lg {
  padding: 32px 20px; border-radius: 13px;
}
.drop-lg .drop-ico { font-size: 33px; line-height: 1; opacity: .7; margin-bottom: 11px; }
.drop-lg .drop-main { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.drop-lg .drop-sub { font-size: 12px; color: var(--muted-2); line-height: 1.7; }
.drop-lg.has-img { border-style: solid; border-color: var(--primary); background: var(--primary-soft); }

.btn-lg { padding: 13px 18px; font-size: 15px; border-radius: 11px; }

/* 折叠的补充信息 */
.more {
  margin: 2px 0 16px; border: 1px solid var(--border);
  border-radius: 10px; background: #fbfcfe;
}
.more > summary {
  cursor: pointer; padding: 11px 13px; font-size: 13px;
  color: var(--muted); font-weight: 500; list-style: none; user-select: none;
}
.more > summary::-webkit-details-marker { display: none; }
.more > summary::before { content: '▸  '; color: var(--muted-2); }
.more[open] > summary::before { content: '▾  '; }
.more > summary:hover { color: var(--primary); }
.more .more-body { padding: 2px 13px 14px; }

/* ===== 生成等待提示 ===== */
.gen-wait { padding: 28px 22px 32px; text-align: center; }
.gw-spin {
  width: 30px; height: 30px; margin: 0 auto 14px; border-radius: 50%;
  border: 3px solid var(--primary-soft); border-top-color: var(--primary);
  animation: spin .8s linear infinite;
}
.gw-title { font-size: 14.5px; font-weight: 600; color: var(--text); margin-bottom: 18px; }
.gw-steps { max-width: 300px; margin: 0 auto 16px; text-align: left; }
.gw-step {
  display: flex; align-items: center; gap: 9px; padding: 4.5px 0;
  font-size: 13px; color: var(--muted-2); transition: color .25s;
}
.gw-step .dot {
  width: 7px; height: 7px; border-radius: 50%; flex: none;
  background: var(--border-strong); transition: background .25s, box-shadow .25s;
}
.gw-step.on { color: var(--text); font-weight: 500; }
.gw-step.on .dot { background: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.gw-step.done { color: var(--ok); }
.gw-step.done .dot { background: var(--ok); box-shadow: none; }
.gw-bar {
  max-width: 300px; height: 5px; border-radius: 3px; margin: 0 auto 12px;
  background: var(--border); overflow: hidden;
}
.gw-bar i {
  display: block; height: 100%; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, #3d5afe, #7b5cff);
  transition: width .5s ease;
}
.gw-tip { font-size: 12px; color: var(--muted-2); line-height: 1.7; }
.gw-tip b { color: var(--primary); font-variant-numeric: tabular-nums; font-size: 12.5px; }

/* ===== 打印 ===== */
@media print {
  .topbar, .btn, .copy-btn, .tabs { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ddd; }
}