/*
  工作台公共主题：首页、注册、管理、403 共用。
  视觉方向：机修工作台——墨绿铭牌、骨白纸、黄铜编号、32px 细网格。
  拉丁用 Archivo，编号/接口/标签用 IBM Plex Mono，中文走系统字体。
  页面只保留自己的版式；表面、按钮、输入、标签、状态都在这里统一。
*/

@font-face {
    font-family: "Archivo";
    src: url("/fonts/archivo-400.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "Archivo";
    src: url("/fonts/archivo-500.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "Archivo";
    src: url("/fonts/archivo-600.woff2") format("woff2");
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "Archivo";
    src: url("/fonts/archivo-700.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "IBM Plex Mono";
    src: url("/fonts/ibm-plex-mono-400.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "IBM Plex Mono";
    src: url("/fonts/ibm-plex-mono-500.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

:root {
    color-scheme: light dark;

    --font-sans: "Archivo", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
    --font-display: "Archivo", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;

    --canvas: #e9e7dc;
    --surface: #f8f6ec;
    --surface-2: #f0ede1;
    --ink: #1c231d;
    --muted: #626a5e;
    --line: #cbcdbd;
    --line-strong: #a8ad99;
    --accent: #2f5d4a;
    --accent-strong: #244b3b;
    --accent-ink: #f7f6ed;
    --brass: #8a6428;
    --brass-soft: #efe3c8;
    --danger: #9c3f2f;
    --danger-soft: #f3ded8;
    --ok: #35624a;
    --shadow-rgb: 28 35 29;
    --grid: rgb(28 35 29 / .045);
    --glow: rgb(47 93 74 / .12);
    --hairline: rgb(28 35 29 / .12);
    --hairline-strong: rgb(28 35 29 / .22);

    --plate: #244b3b;
    --plate-2: #1b3a2d;
    --plate-ink: #f6f3e6;
    --plate-brass: #e0c087;
    --plate-line: rgb(255 255 255 / .10);

    --radius-sm: 4px;
    --radius-md: 9px;
    --radius-lg: 14px;

    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;

    --text-xs: .6875rem;
    --text-sm: .8125rem;
    --text-base: .9375rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.375rem;
    --text-2xl: 1.75rem;

    --dur: 180ms;
    --ease: cubic-bezier(.2, 0, 0, 1);

    --shadow-1: 0 1px 2px rgb(var(--shadow-rgb) / .06), 0 1px 1px rgb(var(--shadow-rgb) / .04);
    --shadow-2: 0 14px 30px -22px rgb(var(--shadow-rgb) / .45), 0 4px 10px -6px rgb(var(--shadow-rgb) / .12);
    --shadow-3: 0 34px 64px -42px rgb(var(--shadow-rgb) / .55), 0 12px 26px -20px rgb(var(--shadow-rgb) / .22);
}

@media (prefers-color-scheme: dark) {
    :root {
        --canvas: #0d120e;
        --surface: #151b16;
        --surface-2: #1b221c;
        --ink: #e9e9de;
        --muted: #98a094;
        --line: #2c362d;
        --line-strong: #465247;
        --accent: #8fbea2;
        --accent-strong: #a9d0b8;
        --accent-ink: #0d120e;
        --brass: #d2a65e;
        --brass-soft: #302716;
        --danger: #e08a7c;
        --danger-soft: #3a221e;
        --ok: #8fbea2;
        --shadow-rgb: 0 0 0;
        --grid: rgb(233 233 222 / .035);
        --glow: rgb(143 190 162 / .08);
        --hairline: rgb(233 233 222 / .10);
        --hairline-strong: rgb(233 233 222 / .20);
        --plate: #1a382c;
        --plate-2: #132b22;
        --plate-ink: #f0eee2;
        --plate-brass: #e0c087;
        --plate-line: rgb(255 255 255 / .08);
    }
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
[hidden] { display: none !important; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        radial-gradient(70% 55% at 8% -8%, var(--glow), transparent 60%),
        radial-gradient(50% 40% at 100% 0%, color-mix(in oklab, var(--brass) 10%, transparent), transparent 62%),
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px),
        var(--canvas);
    background-size: auto, auto, 32px 32px, 32px 32px, auto;
    background-attachment: fixed;
    font: 400 var(--text-base)/1.6 var(--font-sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, p, figure { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
code, kbd, samp { font-family: var(--font-mono); }
img, svg { display: block; max-width: 100%; }
::selection { color: var(--accent-ink); background: var(--accent); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

.shell { width: min(1120px, 100% - 48px); margin: 0 auto; }
.shell.narrow { width: min(760px, 100% - 48px); }
.shell.medium { width: min(960px, 100% - 48px); }
.page { padding-top: 56px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; padding-bottom: 28px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brass);
    font: 500 var(--text-xs)/1.4 var(--font-mono);
    letter-spacing: .14em;
    text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; opacity: .75; }

.display {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 600;
    line-height: .98;
    letter-spacing: -.04em;
    text-wrap: balance;
}
.display-sm {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.2vw, 2.25rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -.03em;
}
.lede { max-width: 58ch; margin-top: 12px; color: var(--muted); font-size: var(--text-md); line-height: 1.7; }

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-top: 40px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline);
}
.section-head h2 { font-size: var(--text-lg); font-weight: 600; letter-spacing: -.015em; }
.count { color: var(--brass); font: 500 var(--text-xs)/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 22px;
    padding: 0 8px;
    color: var(--muted);
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    font: 500 10px/1 var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
}
.chip::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .7; }
.chip-green { color: var(--accent); border-color: color-mix(in oklab, var(--accent) 28%, var(--line)); background: color-mix(in oklab, var(--accent) 8%, var(--surface)); }
.chip-brass { color: var(--brass); border-color: color-mix(in oklab, var(--brass) 30%, var(--line)); background: var(--brass-soft); }
.chip-danger { color: var(--danger); border-color: color-mix(in oklab, var(--danger) 35%, var(--line)); background: var(--danger-soft); }

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    padding: 0 7px;
    color: var(--muted);
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    font: 500 10px/1 var(--font-mono);
    letter-spacing: .05em;
    white-space: nowrap;
}
.badge.admin { color: var(--brass); border-color: color-mix(in oklab, var(--brass) 30%, var(--line)); background: var(--brass-soft); }

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--hairline);
    background: color-mix(in oklab, var(--canvas) 80%, transparent);
    backdrop-filter: saturate(1.3) blur(18px);
    -webkit-backdrop-filter: saturate(1.3) blur(18px);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand-mark {
    position: relative;
    display: grid;
    place-items: center;
    flex: none;
    width: 30px;
    height: 30px;
    color: var(--plate-ink);
    background: var(--plate);
    border-radius: 5px;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / .16), var(--shadow-1);
    font: 600 13px/1 var(--font-sans);
}
.brand-mark::after { content: ""; position: absolute; inset: 4px; border: 1px solid var(--plate-brass); border-radius: 2px; opacity: .65; }
.brand-lockup { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.brand-word { color: var(--ink); font-size: 15px; font-weight: 600; line-height: 1.1; letter-spacing: -.01em; white-space: nowrap; }
.brand-sub { color: var(--muted); font: 500 9px/1 var(--font-mono); letter-spacing: .18em; text-transform: uppercase; white-space: nowrap; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.navlink {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 10px;
    color: var(--muted);
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
}
.navlink:hover { color: var(--ink); background: color-mix(in oklab, var(--ink) 5%, transparent); text-decoration: none; }

.card, .panel {
    position: relative;
    background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 96%, white 4%), var(--surface));
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / .55), var(--shadow-1);
}
.card { padding: 22px; }
.panel { padding: 20px; }
@media (prefers-color-scheme: dark) {
    .card, .panel { background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 96%, white 2%), var(--surface)); box-shadow: inset 0 1px 0 rgb(255 255 255 / .04), var(--shadow-1); }
}
.card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--hairline);
}
.card-head h2 { font-size: var(--text-md); font-weight: 600; letter-spacing: -.01em; }
.card-head p { margin-top: 3px; color: var(--muted); font-size: var(--text-xs); line-height: 1.5; }
.card-body { padding: 18px 20px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 14px;
    color: var(--ink);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 7px;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform 80ms ease;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn-primary, .btn.primary {
    color: var(--accent-ink);
    background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 88%, white 6%), var(--accent));
    border-color: color-mix(in oklab, var(--accent) 72%, black);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / .18), 0 8px 18px -14px color-mix(in oklab, var(--accent) 80%, transparent);
}
.btn-primary:hover:not(:disabled), .btn.primary:hover:not(:disabled) {
    color: var(--accent-ink);
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
    text-decoration: none;
}
.btn-line, .btn.secondary { color: var(--ink); background: var(--surface); border-color: var(--line-strong); }
.btn-line:hover:not(:disabled), .btn.secondary:hover:not(:disabled) { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.btn-ghost, .btn.ghost { color: var(--muted); background: transparent; border-color: transparent; }
.btn-ghost:hover:not(:disabled), .btn.ghost:hover:not(:disabled) { color: var(--ink); background: color-mix(in oklab, var(--ink) 5%, transparent); text-decoration: none; }
.btn-danger, .btn.danger { color: var(--danger); background: transparent; border-color: color-mix(in oklab, var(--danger) 35%, var(--line)); }
.btn-danger:hover:not(:disabled), .btn.danger:hover:not(:disabled) { background: var(--danger-soft); text-decoration: none; }
.btn-sm, .btn.tiny { min-height: 28px; padding: 0 9px; border-radius: 5px; font-size: var(--text-xs); }
.btn:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

.field { display: grid; gap: 6px; }
.label, .field label, .form label { display: block; color: var(--muted); font-size: var(--text-xs); font-weight: 600; letter-spacing: .02em; }
.input, .field input, .field select, .form input, .form select {
    width: 100%;
    min-height: 40px;
    padding: 0 11px;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 7px;
    font: 400 var(--text-sm)/1.4 var(--font-sans);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.input:hover, .field input:hover, .field select:hover, .form input:hover, .form select:hover { border-color: var(--line-strong); }
.input:focus-visible, .field input:focus-visible, .field select:focus-visible, .form input:focus-visible, .form select:focus-visible {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 18%, transparent);
}
.input::placeholder, .field input::placeholder, .form input::placeholder { color: color-mix(in oklab, var(--muted) 62%, transparent); }
.hint { color: var(--muted); font-size: 11.5px; line-height: 1.5; }

.message {
    padding: 10px 12px;
    color: var(--muted);
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 7px;
    font-size: var(--text-sm);
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.message.ok { color: var(--ok); border-color: color-mix(in oklab, var(--ok) 35%, var(--line)); background: color-mix(in oklab, var(--ok) 8%, var(--surface)); }
.message.error { color: var(--danger); border-color: color-mix(in oklab, var(--danger) 35%, var(--line)); background: var(--danger-soft); }

.status {
    padding: 10px 12px;
    color: var(--danger);
    background: var(--danger-soft);
    border: 1px solid color-mix(in oklab, var(--danger) 35%, var(--line));
    border-radius: 7px;
    font-size: var(--text-sm);
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.status.ok { color: var(--ok); background: color-mix(in oklab, var(--ok) 8%, var(--surface)); border-color: color-mix(in oklab, var(--ok) 35%, var(--line)); }
.status:empty { display: none; }

.empty, .loading { padding: 24px 4px; color: var(--muted); font-size: var(--text-sm); text-align: center; }
.loading { font: 500 var(--text-xs)/1.5 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }

.tool-card {
    position: relative;
    display: flex;
    min-height: 184px;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    padding: 20px;
    overflow: hidden;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    text-decoration: none;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / .5), var(--shadow-1);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.tool-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--brass));
    opacity: .9;
}
.tool-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(65% 55% at 100% 0%, color-mix(in oklab, var(--accent) 9%, transparent), transparent 65%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease);
}
.tool-card:hover {
    color: var(--ink);
    border-color: color-mix(in oklab, var(--accent) 45%, var(--line));
    box-shadow: var(--shadow-2), inset 0 1px 0 rgb(255 255 255 / .5);
    transform: translateY(-3px);
    text-decoration: none;
}
.tool-card:hover::after { opacity: 1; }
.tool-card:active { transform: translateY(-1px); }
.tool-card:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.tool-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tool-num { color: var(--brass); font: 500 10px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; }
.tool-title { margin-top: 14px; font-size: var(--text-lg); font-weight: 600; letter-spacing: -.015em; line-height: 1.3; }
.tool-desc { max-width: 36ch; margin-top: 6px; color: var(--muted); font-size: var(--text-sm); line-height: 1.65; }
.tool-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--hairline); }
.tool-action { display: inline-flex; align-items: center; gap: 7px; color: var(--accent); font-size: var(--text-sm); font-weight: 600; }
.tool-arrow { transition: transform var(--dur) var(--ease); }
.tool-card:hover .tool-action { color: var(--accent-strong); }
.tool-card:hover .tool-arrow { transform: translateX(3px); }

.api-plate {
    position: relative;
    padding: 18px 20px;
    overflow: hidden;
    color: var(--plate-ink);
    background: linear-gradient(125deg, var(--plate), var(--plate-2));
    border: 1px solid color-mix(in oklab, var(--plate) 65%, black);
    border-radius: var(--radius-md);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / .14), var(--shadow-2);
}
.api-plate::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--plate-line) 1px, transparent 1px), linear-gradient(90deg, var(--plate-line) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: linear-gradient(to bottom, black, transparent 92%);
    pointer-events: none;
}
.api-plate::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    top: -70px;
    right: -40px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in oklab, var(--plate-brass) 25%, transparent), transparent 65%);
    filter: blur(12px);
    pointer-events: none;
}
.api-plate > * { position: relative; z-index: 1; }
.api-label { color: color-mix(in oklab, var(--plate-ink) 70%, transparent); font: 500 10px/1 var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.api-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.api-url { flex: 1; min-width: 0; overflow-x: auto; color: var(--plate-ink); font: 500 13px/1.5 var(--font-mono); white-space: nowrap; scrollbar-width: none; }
.api-url::-webkit-scrollbar { display: none; }
.api-copy {
    flex: none;
    min-height: 30px;
    padding: 0 10px;
    color: var(--plate-ink);
    background: rgb(255 255 255 / .10);
    border: 1px solid rgb(255 255 255 / .18);
    border-radius: 5px;
    font: 500 11px/1 var(--font-mono);
    cursor: pointer;
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.api-copy:hover { background: rgb(255 255 255 / .18); }
.api-copy:focus-visible { outline: 2px solid var(--plate-brass); outline-offset: 2px; }
.api-note { margin-top: 8px; color: color-mix(in oklab, var(--plate-ink) 68%, transparent); font-size: var(--text-xs); line-height: 1.55; }

.pass {
    display: grid;
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    min-height: 620px;
    margin: 40px 0 56px;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3);
}
.pass-stub {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 28px;
    padding: 34px 32px;
    overflow: hidden;
    color: var(--plate-ink);
    background: linear-gradient(145deg, var(--plate), var(--plate-2));
}
.pass-stub::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--plate-line) 1px, transparent 1px), linear-gradient(90deg, var(--plate-line) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(to bottom, black, transparent 92%);
    pointer-events: none;
}
.pass-stub::after {
    content: "";
    position: absolute;
    width: 240px;
    height: 240px;
    right: -70px;
    bottom: -100px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in oklab, var(--plate-brass) 24%, transparent), transparent 65%);
    filter: blur(14px);
    pointer-events: none;
}
.pass-stub > * { position: relative; z-index: 1; }
.pass-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--plate-ink); text-decoration: none; }
.pass-brand:hover { color: var(--plate-ink); text-decoration: none; }
.pass-brand .brand-mark { color: var(--plate-ink); background: rgb(255 255 255 / .10); border: 1px solid rgb(255 255 255 / .18); box-shadow: none; }
.pass-brand .brand-sub { color: color-mix(in oklab, var(--plate-ink) 65%, transparent); }
.pass-stub-main { max-width: 360px; }
.pass-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--plate-brass); font: 500 10px/1.4 var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.pass-kicker::before { content: ""; width: 16px; height: 1px; background: currentColor; }
.pass-stub h2 { margin-top: 20px; color: var(--plate-ink); font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 600; line-height: 1.08; letter-spacing: -.035em; }
.pass-stub p { margin-top: 14px; color: color-mix(in oklab, var(--plate-ink) 72%, transparent); font-size: var(--text-sm); line-height: 1.7; }
.pass-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.pass-chip { display: inline-flex; align-items: center; min-height: 24px; padding: 0 9px; color: var(--plate-brass); border: 1px solid color-mix(in oklab, var(--plate-brass) 40%, transparent); border-radius: 999px; font: 500 10px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.pass-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding-top: 18px; border-top: 1px solid var(--plate-line); color: color-mix(in oklab, var(--plate-ink) 55%, transparent); font: 500 9.5px/1.5 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.pass-form { position: relative; padding: 34px 36px 30px; background: var(--surface); border-left: 1px dashed color-mix(in oklab, var(--line-strong) 55%, transparent); }
.pass-form::before, .pass-form::after { content: ""; position: absolute; left: -11px; width: 22px; height: 22px; border-radius: 50%; background: var(--canvas); border: 1px solid var(--line); }
.pass-form::before { top: -11px; }
.pass-form::after { bottom: -11px; }
.pass-form-head { margin-bottom: 26px; }
.pass-form h1 { margin-top: 12px; font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 600; line-height: 1.08; letter-spacing: -.03em; }
.pass-form .lede { margin-top: 8px; }
.pass-form form { display: grid; gap: 16px; }
.pass-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pass-form .actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.pass-form .actions .btn { min-width: 150px; }
.pass-note { color: var(--muted); font-size: var(--text-xs); line-height: 1.6; }
.success { padding: 26px 24px; border: 1px solid color-mix(in oklab, var(--accent) 30%, var(--line)); border-radius: var(--radius-md); background: color-mix(in oklab, var(--accent) 6%, var(--surface)); }
.success h2 { font-size: var(--text-xl); letter-spacing: -.02em; }
.success p { margin-top: 8px; color: var(--muted); font-size: var(--text-sm); line-height: 1.7; }
.success .btn { margin-top: 18px; }

.restricted-page { display: grid; place-items: center; min-height: 100vh; padding: 32px 20px; }
.restricted {
    position: relative;
    width: min(460px, 100%);
    padding: 36px 30px 26px;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3), inset 0 1px 0 rgb(255 255 255 / .55);
}
.restricted::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: repeating-linear-gradient(135deg, var(--danger) 0 8px, transparent 8px 16px);
    opacity: .8;
}
.restricted-brand { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 30px; }
.restricted-code { color: var(--danger); font: 500 10.5px/1 var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.restricted-403 { color: var(--ink); font: 600 68px/.86 var(--font-display); letter-spacing: -.06em; }
.restricted h1 { margin-top: 14px; font-size: var(--text-2xl); font-weight: 600; letter-spacing: -.025em; }
.restricted p { margin-top: 8px; color: var(--muted); font-size: var(--text-sm); line-height: 1.7; }
.restricted-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.restricted-foot { margin-top: 26px; padding-top: 14px; border-top: 1px solid var(--hairline); color: var(--muted); font: 500 9.5px/1.6 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }

.footer { margin-top: 64px; padding: 22px 0 32px; color: var(--muted); border-top: 1px solid var(--hairline); font-size: var(--text-xs); line-height: 1.6; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--ink); }
.footer .sep { margin: 0 7px; opacity: .5; }

@media (max-width: 860px) {
    .pass { grid-template-columns: 1fr; min-height: 0; }
    .pass-stub { min-height: 280px; }
    .pass-form { border-left: 0; border-top: 1px dashed color-mix(in oklab, var(--line-strong) 55%, transparent); }
    .pass-form::before { top: -11px; left: -11px; bottom: auto; }
    .pass-form::after { top: -11px; right: -11px; bottom: auto; left: auto; }
}

@media (max-width: 760px) {
    .shell, .shell.narrow, .shell.medium { width: min(1120px, 100% - 32px); }
    .topbar-inner { min-height: 58px; }
    .brand-sub { display: none; }
    .page { padding-top: 36px; }
    .display { font-size: clamp(2rem, 9vw, 2.75rem); }
    .page-head { padding-bottom: 22px; }
    .footer { margin-top: 48px; }
}

@media (max-width: 560px) {
    .pass-stub, .pass-form { padding: 26px 22px; }
    .pass-form .field-row { grid-template-columns: 1fr; }
    .pass-form .actions { flex-direction: column; align-items: stretch; }
    .pass-form .actions .btn { width: 100%; }
    .restricted { padding: 32px 22px 24px; }
    .restricted-403 { font-size: 56px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
    .tool-card:hover { transform: none; }
    .tool-card:hover .tool-arrow { transform: none; }
}