/* ================================================================
   视频解析下载 · 设计系统
   Linear 式克制：平静层级 / 单一强调色 / 密而可读 / 最少 chrome
   ================================================================ */

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f4f4f5;
  --surface-3: #ebebed;
  --text: #18181b;
  --text-2: #71717a;
  --text-3: #a1a1aa;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef2ff;
  --ok: #16a34a;
  --ok-soft: #f0fdf4;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warn: #b45309;
  --warn-soft: #fffbeb;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, .06), 0 6px 20px rgba(0, 0, 0, .06);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.55; }
button { font-family: inherit; }
::selection { background: var(--accent-soft); }

.hidden { display: none !important; }

/* ==================== 通用控件 ==================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: none; border-radius: var(--radius); padding: 9px 18px;
  font-size: 14px; font-weight: 500; cursor: pointer; text-decoration: none;
  transition: background .12s ease, border-color .12s ease, transform .06s ease, color .12s ease;
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }

.btn-accent { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-accent:hover:not(:disabled) { background: var(--accent-hover); }
.btn-accent:disabled { background: #c7d2fe; cursor: not-allowed; box-shadow: none; }

.btn-plain { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); }
.btn-plain:hover:not(:disabled) { background: var(--surface-2); }
.btn-plain:disabled { color: var(--text-3); cursor: not-allowed; }
.btn-danger { color: var(--danger); }
.btn-danger:hover:not(:disabled) { border-color: var(--danger); background: var(--danger-soft); }

.btn-sm { padding: 6px 13px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border: none; border-radius: 8px;
  background: transparent; color: var(--text-3); cursor: pointer; transition: all .12s;
}
.icon-btn:hover { background: var(--surface-3); color: var(--text); }
.icon-btn svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }

.field { display: block; text-align: left; }
.field > span { display: block; font-size: 12.5px; font-weight: 500; color: var(--text-2); margin-bottom: 5px; }
/* em 为字段说明：行内跟在标签后显示（文字流自然折行） */
.field > span em { font-style: normal; font-weight: 400; color: var(--text-3); font-size: 11.5px; display: inline; margin-left: 6px; }
.field input, .select {
  width: 100%; border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 9px 12px; font-size: 14px; font-family: inherit; color: var(--text);
  background: var(--surface); outline: none; transition: border-color .12s, box-shadow .12s;
}
.field input:focus, .select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.form-error { color: var(--danger); font-size: 13px; margin-top: 12px; }
.form-ok { color: var(--ok); font-size: 13px; margin-top: 12px; }
.form-hint { color: var(--text-3); font-size: 12px; line-height: 1.6; margin-top: 10px; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }

/* 开关（iOS 式 toggle） */
.switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-size: 14px; user-select: none; }
.switch input { display: none; }
.switch i {
  width: 36px; height: 21px; border-radius: 999px; background: var(--border-strong);
  position: relative; transition: background .15s ease; flex-shrink: 0;
}
.switch i::after {
  content: ''; position: absolute; top: 2.5px; left: 2.5px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
  transition: transform .15s ease;
}
.switch input:checked + i { background: var(--accent); }
.switch input:checked + i::after { transform: translateX(15px); }

/* ==================== 登录 ==================== */

.login-wrap {
  min-height: 100vh; /* 旧浏览器回退 */
  min-height: 100dvh; /* iOS Safari 地址栏动态视口，防登录面板被遮挡 */
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1000px 500px at 50% -10%, var(--accent-soft), transparent 60%),
    var(--bg);
  padding: 24px;
}
.login-panel {
  width: 100%; max-width: 360px; text-align: center;
  animation: rise .35s cubic-bezier(.2, .8, .3, 1) both;
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.login-brand { margin-bottom: 18px; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--accent); color: #fff; font-size: 15px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(79, 70, 229, .35);
}
.brand-mark-lg { width: 46px; height: 46px; border-radius: 13px; font-size: 22px; }
.login-panel h1 { font-size: 20px; letter-spacing: .3px; }
.login-sub { color: var(--text-2); font-size: 13.5px; margin: 6px 0 26px; }

/* ---- 注册表单（登录面板内切换） ---- */
/* 选择器需压过 .field > span 的 display:block（同元素命中，取更高优先级） */
.field > span.code-row { display: flex; gap: 10px; margin-bottom: 0; }
.code-row input { flex: 1; min-width: 0; }
.code-row .btn { flex-shrink: 0; white-space: nowrap; }
.login-switch { color: var(--text-2); font-size: 13px; margin-top: 16px; }
.login-switch button {
  border: none; background: none; padding: 0; margin-left: 4px; cursor: pointer;
  color: var(--accent); font-size: 13px; font-weight: 500;
}
.login-switch button:hover { text-decoration: underline; }
.login-panel form { text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; box-shadow: var(--shadow-md); }
.login-panel .field + .field { margin-top: 14px; }
.login-panel .btn-block { margin-top: 20px; }
.login-foot { color: var(--text-3); font-size: 12px; margin-top: 22px; }

/* ==================== 应用外壳 ==================== */

.app-shell { display: grid; grid-template-columns: 224px 1fr; min-height: 100vh; }

.sidebar {
  border-right: 1px solid var(--border); background: var(--surface);
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; padding: 18px 12px;
}
.brand { display: flex; align-items: center; gap: 9px; padding: 4px 10px 18px; }
.brand-name { font-size: 15px; font-weight: 700; letter-spacing: .3px; }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  border: none; background: none; text-align: left; cursor: pointer;
  padding: 8px 10px; border-radius: 8px; font-size: 13.5px; font-weight: 500;
  color: var(--text-2); transition: background .1s, color .1s;
}
.nav-item svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }

.sidebar-foot { border-top: 1px solid var(--border); padding-top: 12px; }
.user-chip { display: flex; align-items: center; gap: 9px; padding: 4px 6px; }
.user-chip-info { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.user-chip-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip-role { font-size: 11px; color: var(--accent); }
.avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 700;
}

.main { padding: 34px 44px 24px; width: 100%; animation: fadeIn .2s ease both; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.page-head { margin-bottom: 22px; }
.page-head h2 { font-size: 19px; letter-spacing: .2px; }
.page-head p { color: var(--text-2); font-size: 13px; margin-top: 4px; }
.page-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.head-actions { display: flex; gap: 8px; align-items: center; }

.footer { text-align: left; color: var(--text-3); font-size: 12px; margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--border); }

/* ==================== 横幅 ==================== */

.banner {
  background: var(--warn-soft); border: 1px solid #f5e0a3; color: var(--warn);
  border-radius: var(--radius); padding: 10px 14px; font-size: 13px; margin-bottom: 18px;
}
.banner code { background: rgba(0, 0, 0, .06); padding: 1px 7px; border-radius: 5px; font-family: var(--mono); font-size: 12px; }
.copy-btn { border: 1px solid #f0d48a; background: #fff; border-radius: 6px; padding: 1px 8px; font-size: 12px; cursor: pointer; color: var(--warn); margin: 0 2px; }
.copy-btn:hover { background: #fffdf5; }

/* ==================== 解析 ==================== */

.parse-input {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px; box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s;
}
.parse-input:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 70, 229, .1), var(--shadow-sm); }
.parse-input textarea {
  width: 100%; border: none; outline: none; resize: vertical;
  font-size: 14.5px; font-family: inherit; line-height: 1.6; background: transparent; color: var(--text);
}
.parse-input textarea::placeholder { color: var(--text-3); }
.parse-input-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.link-preview { font-size: 12.5px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.link-preview.ok { color: var(--ok); font-weight: 500; }
.platform-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.badge { font-size: 11.5px; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-2); }

/* 使用帮助（解析页折叠面板，默认收起） */
.help-panel { margin-top: 10px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.help-panel summary {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 8px;
  padding: 9px 13px; font-size: 13px; font-weight: 500; color: var(--text-2);
  border-radius: var(--radius); transition: color .12s, background .12s;
}
.help-panel summary::-webkit-details-marker { display: none; }
.help-panel summary:hover { color: var(--text); background: var(--surface-2); }
.help-panel summary::after {
  content: ''; margin-left: auto; width: 7px; height: 7px; flex-shrink: 0;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg) translateY(-1px); transition: transform .18s ease;
}
.help-panel[open] summary { border-bottom: 1px solid var(--border); border-radius: var(--radius) var(--radius) 0 0; }
.help-panel[open] summary::after { transform: rotate(45deg) translateY(-1px); }
.help-q {
  display: inline-flex; align-items: center; justify-content: center;
  width: 17px; height: 17px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid var(--border-strong); color: var(--text-2); font-size: 11px; font-weight: 600;
}
.help-panel[open] .help-q { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.help-body { padding: 13px 14px; }
.help-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px 20px; }
.help-item strong { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 2px; }
.help-item span { font-size: 12px; color: var(--text-2); line-height: 1.65; }
.help-tips {
  margin-top: 12px; padding-top: 11px; border-top: 1px dashed var(--border);
  font-size: 12px; color: var(--text-3); line-height: 1.65;
}

.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px; margin-top: 14px; box-shadow: var(--shadow-sm);
  animation: rise .25s cubic-bezier(.2, .8, .3, 1) both;
}

/* 进度 */
.progress-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.stage-label { font-weight: 600; font-size: 14px; }
.progress-detail { font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.progress-track { height: 6px; background: var(--surface-3); border-radius: 999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 999px; width: 0%; transition: width .4s ease; }
.progress-bar.indeterminate { width: 36%; position: relative; animation: slide 1.15s ease-in-out infinite; }
@keyframes slide { 0% { margin-left: -36%; } 100% { margin-left: 100%; } }
.progress-hint { font-size: 12.5px; color: var(--text-2); margin-top: 9px; }

/* 结果 */
.result-panel { display: flex; gap: 18px; }
.result-cover {
  width: 132px; height: 176px; border-radius: 10px; overflow: hidden; flex-shrink: 0;
  background: linear-gradient(135deg, #eceef2, #dfe2e9);
}
.result-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.result-body { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.result-body h3 { font-size: 15px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.result-meta { color: var(--text-2); font-size: 13px; margin-top: 5px; display: flex; gap: 12px; flex-wrap: wrap; }
.result-actions { margin-top: auto; padding-top: 14px; display: flex; gap: 9px; }

/* 错误 */
.error-panel { border-color: #f3c5c3; background: var(--danger-soft); }
.error-title { color: var(--danger); font-weight: 600; font-size: 14px; }
.error-hint { color: var(--text-2); font-size: 12.5px; margin-top: 5px; }
.error-detail { margin-top: 10px; font-size: 12px; }
.error-detail summary { cursor: pointer; color: var(--text-2); }
.error-detail pre {
  margin-top: 7px; background: rgba(0, 0, 0, .05); padding: 10px; border-radius: 8px;
  font-family: var(--mono); white-space: pre-wrap; word-break: break-all; max-height: 150px; overflow: auto;
}
.error-actions { margin-top: 12px; }

/* ==================== 工具栏 ==================== */

.toolbar { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.search-box { position: relative; flex: 1; min-width: 200px; max-width: 340px; }
.search-box svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; stroke: var(--text-3); stroke-width: 2; fill: none; stroke-linecap: round; }
.search-box input {
  width: 100%; border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 8px 12px 8px 32px; font-size: 13.5px; font-family: inherit; outline: none;
  background: var(--surface); transition: border-color .12s, box-shadow .12s;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.select {
  width: auto; min-width: 118px; padding: 8px 30px 8px 11px; font-size: 13px; color: var(--text-2); cursor: pointer;
  appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}

.empty { text-align: center; color: var(--text-3); font-size: 13.5px; padding: 64px 0; }
.empty-icon { display: block; font-size: 26px; margin-bottom: 10px; color: var(--border-strong); }

.pager { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 18px; }
.page-info { font-size: 12.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }

/* ==================== 历史网格 ==================== */

/* min() 防止窄屏（<300px 容器）横向溢出 */
.history-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 12px; }
.history-card {
  display: flex; gap: 13px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px; cursor: default;
  transition: border-color .12s, box-shadow .12s, transform .12s;
}
.history-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.hc-cover { width: 92px; height: 123px; border-radius: 8px; overflow: hidden; flex-shrink: 0; background: linear-gradient(135deg, #eceef2, #dfe2e9); }
.hc-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hc-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.hc-title { font-size: 13px; font-weight: 600; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hc-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 11.5px; color: var(--text-2); margin-top: 6px; }
.hc-meta .badge { padding: 1px 8px; font-size: 10.5px; }
.hc-status { font-weight: 600; }
.hc-status.ok { color: var(--ok); }
.hc-status.bad { color: var(--danger); }
.hc-status.mid { color: var(--text-2); }
.hc-time { font-size: 11.5px; color: var(--text-3); margin-top: auto; padding-top: 7px; font-variant-numeric: tabular-nums; }
.hc-actions { display: flex; flex-direction: column; gap: 5px; justify-content: center; flex-shrink: 0; }

/* ==================== 日志 ==================== */

.logs-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.log-row {
  display: grid; grid-template-columns: 148px 52px 118px 1fr; gap: 12px; align-items: baseline;
  padding: 7px 14px; font-family: var(--mono); font-size: 12px; border-bottom: 1px solid var(--border);
}
.log-row:last-child { border-bottom: none; }
.log-row:hover { background: var(--surface-2); }
.log-ts { color: var(--text-3); font-variant-numeric: tabular-nums; }
.log-level { font-weight: 700; font-size: 10.5px; letter-spacing: .5px; }
.log-error .log-level { color: var(--danger); }
.log-warn .log-level { color: var(--warn); }
.log-info .log-level { color: var(--accent); }
.log-debug .log-level { color: var(--text-3); }
.log-cat { color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-msg { word-break: break-all; white-space: pre-wrap; color: var(--text); }
.log-task { grid-column: 4; color: var(--accent); font-size: 11px; opacity: .8; }

/* ==================== 用户管理 ==================== */

.users-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.user-row {
  display: grid; grid-template-columns: minmax(100px, 1.1fr) 64px 64px 86px 1.5fr auto;
  gap: 12px; align-items: center; padding: 11px 16px; font-size: 13px; border-bottom: 1px solid var(--border);
}
.user-row:last-child { border-bottom: none; }
.user-row:hover { background: var(--surface-2); }
.u-name { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.u-name .avatar { width: 26px; height: 26px; font-size: 11.5px; }
.u-role-tag { font-size: 10.5px; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); }
.u-role-tag.admin { background: var(--accent-soft); color: var(--accent); }
.u-status { font-size: 12px; font-weight: 500; }
.u-status.ok { color: var(--ok); }
.u-status.bad { color: var(--danger); }
.u-status.mid { color: var(--warn); }
.u-tasks { color: var(--text-2); font-variant-numeric: tabular-nums; }
.u-name-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.u-email { color: var(--text-3); font-size: 11.5px; font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-row.user-pending { background: var(--warn-soft); }
.user-row.user-pending:hover { background: #fdf6df; }
.pending-badge {
  font-size: 12px; font-weight: 500; color: var(--warn); background: var(--warn-soft);
  border: 1px solid #f0d48a; border-radius: 999px; padding: 3px 10px;
}
.u-time { color: var(--text-3); font-size: 12px; }
.u-actions { display: flex; gap: 6px; }

.user-form .form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ==================== 设置 ==================== */

.settings-section { padding: 4px 0 22px; }
.settings-section + .settings-section { border-top: 1px solid var(--border); padding-top: 20px; }
.settings-section h3 { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 12px; }
.settings-section h3 em { font-style: normal; font-weight: 400; color: var(--text-3); font-size: 11.5px; margin-left: 8px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px 16px; }
.form-grid .field input { font-variant-numeric: tabular-nums; }
/* 需要整行显示的字段（含长说明文字，行内展示需要足够宽度） */
.form-grid .span-full { grid-column: 1 / -1; }
.switch-row { display: flex; gap: 26px; flex-wrap: wrap; padding: 2px 0; }

/* ==================== 对话框（替代原生弹窗） ==================== */

.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(24, 24, 27, .42);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: fadeIn .15s ease both;
}
.modal {
  width: 100%; max-width: 380px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; box-shadow: var(--shadow-md);
  animation: rise .2s cubic-bezier(.2, .8, .3, 1) both;
}
.modal h3 { font-size: 15.5px; letter-spacing: .2px; }
.modal p { color: var(--text-2); font-size: 13.5px; margin-top: 6px; }
.modal input {
  width: 100%; margin-top: 16px;
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 9px 12px; font-size: 14px; font-family: inherit; color: var(--text);
  background: var(--surface); outline: none; transition: border-color .12s, box-shadow .12s;
}
.modal input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

/* 危险操作的实心红确认按钮（删除/清空等破坏性确认） */
.btn-danger-solid { background: var(--danger); color: #fff; box-shadow: var(--shadow-sm); }
.btn-danger-solid:hover:not(:disabled) { background: #b91c1c; }

/* ==================== 响应式 ==================== */

/* 宽屏自适应：内容随窗口铺满；超宽屏（≥1600px）加大左右留白，避免内容顶到屏幕边缘 */
@media (min-width: 1600px) {
  .main { padding: 40px 64px 24px; }
}

@media (max-width: 900px) {
  /* 单列两行：显式 auto 1fr，防止 min-height:100vh 下 grid 把顶栏行均摊拉伸出大片空白；
     列宽用 minmax(0,1fr)：默认 1fr = minmax(auto,1fr)，grid 项 min-width:auto 会被顶栏内容撑破视口 */
  .app-shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
  .sidebar {
    position: static; height: auto; flex-direction: row; align-items: center; gap: 10px;
    padding: 10px 14px; border-right: none; border-bottom: 1px solid var(--border);
  }
  .brand { padding: 0; }
  .brand-name { display: none; } /* 顶栏空间有限，只留品牌方块 */
  /* flex:1 + min-width:0 让 nav 在剩余空间内收缩，内部 overflow-x 才能真正滚动（否则被内容撑爆顶栏） */
  .nav { flex: 1; min-width: 0; flex-direction: row; overflow-x: auto; gap: 2px; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  /* 保留文字标签（只显示图标不可发现）；整条可横滑 */
  .nav-item { padding: 7px 10px; white-space: nowrap; flex-shrink: 0; }
  .sidebar-foot { flex-shrink: 0; border-top: none; padding-top: 0; margin-left: auto; }
  .user-chip-info { display: none; }
  .main { padding: 22px 18px 20px; }

  /* iOS Safari：输入控件字号 <16px 聚焦时自动放大页面，移动端统一 16px */
  .field input, .search-box input, .parse-input textarea, .select, .modal input { font-size: 16px; }

  /* 触摸目标加大（icon-btn 30px 偏小） */
  .icon-btn { width: 38px; height: 38px; }
  .btn { padding: 10px 18px; }
  .btn-sm { padding: 8px 14px; }

  .result-panel { flex-direction: column; }
  .result-cover { width: 100%; height: 210px; }

  /* 日志：窄屏放不下 148px 时间列（时间戳 19 字符），改为两行——时间+级别一行、消息独占一行 */
  .log-row { grid-template-columns: 1fr auto; row-gap: 3px; }
  .log-msg { grid-column: 1 / -1; grid-row: 2; }
  .log-cat, .log-task { display: none; }

  .user-row { grid-template-columns: 1fr 1fr; row-gap: 6px; }
  .user-row .u-actions { grid-column: 1 / -1; }
  .user-form .form-row { grid-template-columns: 1fr; }

  /* 历史卡片：操作按钮换行到底部（横排与封面/正文争宽，窄屏会把标题挤成一条竖缝） */
  .history-card { flex-wrap: wrap; }
  .hc-actions {
    flex-direction: row; width: 100%; justify-content: flex-end;
    margin-top: 4px; padding-top: 10px; border-top: 1px solid var(--border);
  }
}