/* =====================================================================
 * FORGE · 工具站新设计系统（基础层）
 * ---------------------------------------------------------------------
 * 只作用于 .fg-page 作用域，不影响任何线上已有页面。
 * 深色模式复用站点导航的 theme-toggle.js：html[data-theme="dark"]，
 * 变量在此覆盖，页面不新增任何主题按钮、不新增任何主题脚本。
 * ===================================================================== */

.fg-page {
    /* ---------- 配色：审计台（墨蓝 + 深青 + 琥珀），与站点默认蓝紫区分 ---------- */
    --fg-bg: #f4f7f9;
    --fg-bg-grad: radial-gradient(1100px 520px at 8% -12%, rgba(15, 118, 110, .10), transparent 62%),
                  radial-gradient(900px 460px at 92% 2%, rgba(180, 83, 9, .07), transparent 60%);
    --fg-surface: #ffffff;
    --fg-surface-2: #f8fafb;
    --fg-surface-3: #eef3f5;
    --fg-ink: #11243a;
    --fg-ink-2: #42556d;
    --fg-ink-3: #6d7f93;
    --fg-line: #dfe7ec;
    --fg-line-2: #cbd8df;
    --fg-brand: #0f766e;
    --fg-brand-2: #0b5f59;
    --fg-brand-soft: #e3f2ef;
    --fg-brand-ink: #07544f;
    --fg-amber: #b45309;
    --fg-amber-soft: #fdf2e2;
    --fg-red: #c23b2c;
    --fg-red-soft: #fdeceb;
    --fg-orange: #c2700f;
    --fg-orange-soft: #fdf1e0;
    --fg-slate: #64748b;
    --fg-slate-soft: #eef1f5;
    --fg-shadow: 0 1px 2px rgba(17, 36, 58, .05), 0 10px 32px rgba(17, 36, 58, .06);
    --fg-shadow-lg: 0 18px 48px rgba(17, 36, 58, .12);
    --fg-radius: 14px;
    --fg-radius-s: 9px;
    --fg-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --fg-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

    display: block;
    min-height: 60vh;
    background: var(--fg-bg-grad), var(--fg-bg);
    color: var(--fg-ink);
    font-family: var(--fg-sans);
    font-size: 15px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

:root[data-theme="dark"] .fg-page {
    --fg-bg: #0b1219;
    --fg-bg-grad: radial-gradient(1100px 520px at 8% -12%, rgba(45, 212, 191, .10), transparent 62%),
                  radial-gradient(900px 460px at 92% 2%, rgba(251, 146, 60, .07), transparent 60%);
    --fg-surface: #131d28;
    --fg-surface-2: #17222f;
    --fg-surface-3: #1d2b3a;
    --fg-ink: #e8f0f7;
    --fg-ink-2: #b1c0d0;
    --fg-ink-3: #8698ab;
    --fg-line: #27384a;
    --fg-line-2: #35495e;
    --fg-brand: #4fd1c5;
    --fg-brand-2: #7ce0d7;
    --fg-brand-soft: rgba(79, 209, 197, .12);
    --fg-brand-ink: #a5f3e9;
    --fg-amber: #fbbf6a;
    --fg-amber-soft: rgba(251, 191, 106, .12);
    --fg-red: #ff8b7e;
    --fg-red-soft: rgba(255, 139, 126, .12);
    --fg-orange: #f7b45f;
    --fg-orange-soft: rgba(247, 180, 95, .12);
    --fg-slate: #93a6ba;
    --fg-slate-soft: #1d2b3a;
    --fg-shadow: 0 1px 2px rgba(0, 0, 0, .30), 0 10px 32px rgba(0, 0, 0, .28);
    --fg-shadow-lg: 0 18px 48px rgba(0, 0, 0, .42);
    color-scheme: dark;
}

.fg-page *, .fg-page *::before, .fg-page *::after { box-sizing: border-box; }
.fg-page a { color: var(--fg-brand); text-decoration: none; }
.fg-page a:hover { color: var(--fg-brand-2); text-decoration: underline; }
.fg-page strong { font-weight: 700; color: var(--fg-brand-ink); }
.fg-page code, .fg-page kbd { font-family: var(--fg-mono); font-variant-numeric: tabular-nums; }
.fg-page :focus-visible { outline: 2px solid var(--fg-brand); outline-offset: 3px; border-radius: 4px; }
.fg-page button { font-family: inherit; }
.fg-page .fg-num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ---------- 容器与字体层级 ---------- */
.fg-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.fg-page h1, .fg-page h2, .fg-page h3, .fg-page h4 { margin: 0; color: var(--fg-ink); font-weight: 700; letter-spacing: -.015em; }
.fg-page h1 { font-size: clamp(29px, 3.6vw, 42px); line-height: 1.2; }
.fg-page h2 { font-size: clamp(20px, 2vw, 24px); line-height: 1.4; }
.fg-page h3 { font-size: 17px; line-height: 1.5; }
.fg-page p { margin: 0 0 14px; }
.fg-page p:last-child { margin-bottom: 0; }
.fg-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase; color: var(--fg-brand); }
.fg-eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }
.fg-lede { font-size: 16.5px; line-height: 1.8; color: var(--fg-ink-2); max-width: 60ch; }
.fg-sub { font-size: 14px; color: var(--fg-ink-3); }
.fg-section { padding: 40px 0; }
.fg-section-head { margin-bottom: 22px; }
.fg-section-head h2 { margin-bottom: 8px; }
.fg-section-head p { color: var(--fg-ink-2); font-size: 14.5px; max-width: 76ch; }

/* ---------- 卡片 ---------- */
.fg-card { background: var(--fg-surface); border: 1px solid var(--fg-line); border-radius: var(--fg-radius);
    box-shadow: var(--fg-shadow); }
.fg-card-pad { padding: 24px; }
.fg-card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 16px 20px; border-bottom: 1px solid var(--fg-line); }
.fg-card-head h3 { font-size: 15px; }

/* ---------- 按钮 ---------- */
.fg-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 42px; padding: 9px 18px; border: 1px solid transparent; border-radius: var(--fg-radius-s);
    font-size: 14.5px; font-weight: 650; line-height: 1.3; cursor: pointer; transition: transform .15s, background .15s, border-color .15s, box-shadow .15s; }
.fg-btn:active { transform: translateY(1px); }
.fg-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.fg-btn-primary { background: var(--fg-brand); color: #fff; box-shadow: 0 6px 18px rgba(15, 118, 110, .20); }
.fg-btn-primary:hover:not(:disabled) { background: var(--fg-brand-2); color: #fff; }
:root[data-theme="dark"] .fg-btn-primary { color: #08211f; box-shadow: none; }
.fg-btn-ghost { background: var(--fg-surface); color: var(--fg-ink-2); border-color: var(--fg-line-2); }
.fg-btn-ghost:hover:not(:disabled) { border-color: var(--fg-brand); color: var(--fg-brand); background: var(--fg-brand-soft); }
.fg-btn-sm { min-height: 32px; padding: 5px 11px; font-size: 12.5px; font-weight: 600; border-radius: 7px; }
.fg-btn-ai { background: var(--fg-amber-soft); color: var(--fg-amber); border-color: var(--fg-amber); }
.fg-btn-ai:hover:not(:disabled) { background: var(--fg-amber); color: #fff; }

/* ---------- 标签 / 徽标 ---------- */
.fg-tag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px;
    font-size: 12px; font-weight: 600; line-height: 1.6; background: var(--fg-slate-soft); color: var(--fg-ink-2);
    border: 1px solid var(--fg-line); white-space: nowrap; }
.fg-tag-mono { font-family: var(--fg-mono); font-size: 11.5px; }
.fg-sev-high { background: var(--fg-red-soft); color: var(--fg-red); border-color: transparent; }
.fg-sev-medium { background: var(--fg-orange-soft); color: var(--fg-orange); border-color: transparent; }
.fg-sev-low { background: var(--fg-slate-soft); color: var(--fg-slate); border-color: transparent; }

/* ---------- 表单 ---------- */
.fg-field { display: block; margin-bottom: 14px; }
.fg-label { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 650;
    color: var(--fg-ink-2); margin-bottom: 6px; }
.fg-input, .fg-textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--fg-line-2);
    border-radius: var(--fg-radius-s); background: var(--fg-surface-2); color: var(--fg-ink);
    font-family: inherit; font-size: 14px; line-height: 1.6; transition: border-color .15s, box-shadow .15s; }
.fg-input:focus, .fg-textarea:focus { outline: none; border-color: var(--fg-brand);
    box-shadow: 0 0 0 3px var(--fg-brand-soft); }
.fg-textarea { resize: vertical; min-height: 66px; font-family: var(--fg-mono); font-size: 12.5px; }
.fg-hint { font-size: 12px; line-height: 1.65; color: var(--fg-ink-3); margin-top: 5px; }
.fg-check { display: inline-flex; align-items: flex-start; gap: 9px; font-size: 13.5px;
    color: var(--fg-ink-2); cursor: pointer; line-height: 1.6; }
.fg-check input { margin-top: 4px; accent-color: var(--fg-brand); width: 15px; height: 15px; }

/* ---------- 提示条 / toast ---------- */
.fg-banner { display: flex; align-items: flex-start; gap: 11px; padding: 12px 16px; border-radius: var(--fg-radius-s);
    font-size: 13.5px; line-height: 1.7; border: 1px solid transparent; }
.fg-banner-warn { background: var(--fg-amber-soft); color: var(--fg-amber); border-color: var(--fg-amber); }
.fg-banner-ok { background: var(--fg-brand-soft); color: var(--fg-brand-ink); border-color: var(--fg-brand); }
.fg-banner-err { background: var(--fg-red-soft); color: var(--fg-red); border-color: var(--fg-red); }
.fg-banner-info { background: var(--fg-surface-3); color: var(--fg-ink-2); border-color: var(--fg-line); }
.fg-toast { position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 14px); z-index: 100001;
    background: var(--fg-ink); color: var(--fg-surface); padding: 10px 20px; border-radius: 10px;
    font-size: 13.5px; line-height: 1.5; box-shadow: var(--fg-shadow-lg); opacity: 0;
    pointer-events: none; transition: opacity .22s, transform .22s; max-width: 86vw; }
.fg-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
:root[data-theme="dark"] .fg-toast { background: #e8f0f7; color: #0b1219; }

/* ---------- 代码块 / 表格 ---------- */
.fg-code { display: block; padding: 11px 13px; border-radius: var(--fg-radius-s); overflow-x: auto;
    background: var(--fg-surface-3); color: var(--fg-ink); font-family: var(--fg-mono);
    font-size: 12.5px; line-height: 1.75; white-space: pre-wrap; word-break: break-all; }
.fg-table-wrap { overflow-x: auto; }
.fg-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.fg-table th, .fg-table td { padding: 10px 13px; text-align: left; border-bottom: 1px solid var(--fg-line);
    vertical-align: top; }
.fg-table th { font-size: 12px; font-weight: 700; color: var(--fg-ink-3); letter-spacing: .04em;
    background: var(--fg-surface-2); white-space: nowrap; position: sticky; top: 0; }
.fg-table tbody tr:hover { background: var(--fg-surface-2); }
.fg-table td.fg-mono { font-family: var(--fg-mono); font-size: 12px; }

/* ---------- 公共面包屑（沿用 partials.tool-station.crumb，本页内重绘皮肤） ---------- */
.fg-page .tsk-crumb-bar { background: transparent; border: 0; margin: 0; padding: 0; }
.fg-page .tsk-crumb-bar-in { max-width: 1180px; margin: 0 auto; padding: 18px 24px 0; }
.fg-page .tsk-crumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
    font-size: 12.5px; line-height: 1.6; color: var(--fg-ink-3); }
.fg-page .tsk-crumb a { color: var(--fg-ink-3); text-decoration: none; }
.fg-page .tsk-crumb a:hover { color: var(--fg-brand); text-decoration: underline; }
.fg-page .tsk-crumb-sep { color: var(--fg-line-2); }
.fg-page .tsk-crumb-cur { color: var(--fg-ink-2); font-weight: 650; }

/* ---------- 通用工具类 ---------- */
.fg-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.fg-grid { display: grid; gap: 16px; }
.fg-muted { color: var(--fg-ink-3); }
.fg-mono { font-family: var(--fg-mono); }
.fg-hr { border: 0; border-top: 1px solid var(--fg-line); margin: 20px 0; }
.fg-hidden { display: none !important; }
.fg-page [hidden] { display: none !important; }
.fg-scroll-y { max-height: 460px; overflow-y: auto; overscroll-behavior: contain; }
.fg-empty { padding: 46px 20px; text-align: center; color: var(--fg-ink-3); font-size: 14px; }

@media (max-width: 720px) {
    .fg-wrap { padding: 0 16px; }
    .fg-page .tsk-crumb-bar-in { padding: 14px 16px 0; }
    .fg-section { padding: 28px 0; }
    .fg-card-pad { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
    .fg-page *, .fg-page *::before, .fg-page *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}