:root {
    color-scheme: light;
    --bg: #f5f7f6;
    --surface: #ffffff;
    --surface-soft: #eef3f1;
    --surface-raised: #ffffff;
    --text: #17201d;
    --muted: #64726c;
    --line: #dce4e0;
    --line-strong: #c7d3cd;
    --accent: #087f6d;
    --accent-strong: #066556;
    --accent-soft: #dcf5ed;
    --accent-contrast: #ffffff;
    --danger: #c03b4b;
    --danger-soft: #fff0f1;
    --warning: #9a5b09;
    --warning-soft: #fff6df;
    --success: #14745d;
    --success-soft: #e3f5ee;
    --shadow: 0 18px 50px rgba(24, 54, 45, .08);
    --grid: rgba(22, 70, 55, .055);
    --radius: 18px;
    --radius-small: 11px;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #101614;
    --surface: #17201d;
    --surface-soft: #1d2925;
    --surface-raised: #202c28;
    --text: #edf5f1;
    --muted: #9baca4;
    --line: #2c3b35;
    --line-strong: #3b4e46;
    --accent: #54d3b5;
    --accent-strong: #7de4cc;
    --accent-soft: #173d34;
    --accent-contrast: #08251e;
    --danger: #ff8995;
    --danger-soft: #3c2227;
    --warning: #f0bc69;
    --warning-soft: #382f1f;
    --success: #72d8b9;
    --success-soft: #19382f;
    --shadow: 0 20px 55px rgba(0, 0, 0, .25);
    --grid: rgba(149, 212, 190, .055);
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body {
    min-height: 100vh;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 32px 32px;
    content: "";
    pointer-events: none;
    mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset: 3px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(18px);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1180px, calc(100% - 40px));
    min-height: 76px;
    margin: auto;
    gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); flex-shrink: 0; }
.brand:hover { color: var(--text); }
.brand-logo { object-fit: cover; }
.brand-mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 13px;
    background: var(--accent);
    color: var(--accent-contrast);
    font-size: 19px;
    font-weight: 800;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.brand-copy { display: grid; line-height: 1.2; gap: 4px; }
.brand-copy strong { font-size: 15px; letter-spacing: .02em; }
.brand-copy small { color: var(--muted); font-size: 11px; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }
.nav-link, .theme-toggle, .nav-button {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 7px 11px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
}
.nav-link:hover, .nav-link.is-active, .theme-toggle:hover, .nav-button:hover { background: var(--surface-soft); color: var(--text); }
.nav-link.is-active { font-weight: 650; }
.theme-toggle { gap: 7px; }
.nav-user { padding: 0 8px; color: var(--text); font-size: 13px; }
.inline-form { display: inline; margin: 0; }

.page-shell { width: min(1180px, calc(100% - 40px)); min-height: calc(100vh - 160px); margin: 0 auto; padding: 48px 0 72px; }
.page-auth { width: min(520px, calc(100% - 32px)); display: grid; align-content: center; padding-top: 40px; }
.page-install { width: min(760px, calc(100% - 32px)); }
.site-footer {
    display: flex;
    justify-content: space-between;
    width: min(1180px, calc(100% - 40px));
    margin: auto;
    padding: 24px 0 32px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
    gap: 20px;
}
.site-footer div { display: flex; gap: 16px; }
.site-footer strong { color: var(--text); }

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 14px; font-size: clamp(28px, 4vw, 44px); line-height: 1.18; letter-spacing: -.035em; }
h2 { margin-bottom: 10px; font-size: 22px; line-height: 1.3; letter-spacing: -.02em; }
h3 { margin-bottom: 8px; font-size: 17px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.page-heading h1 { margin-bottom: 8px; font-size: clamp(27px, 4vw, 38px); }
.page-heading p { max-width: 660px; margin-bottom: 0; color: var(--muted); }
.eyebrow { margin-bottom: 10px; color: var(--accent); font-size: 12px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.text-danger { color: var(--danger); }

.panel {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}
.panel + .panel { margin-top: 20px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 22px; }
.panel-header h2, .panel-header p { margin-bottom: 0; }
.auth-panel { padding: clamp(26px, 6vw, 40px); }
.auth-panel h1 { font-size: 32px; }
.auth-panel .auth-intro { margin-bottom: 28px; color: var(--muted); }
.auth-switch { margin: 22px 0 0; text-align: center; color: var(--muted); font-size: 14px; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-small);
    background: var(--accent);
    color: var(--accent-contrast);
    font-weight: 650;
    line-height: 1.3;
    cursor: pointer;
    transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.button:hover { border-color: var(--accent-strong); background: var(--accent-strong); color: var(--accent-contrast); transform: translateY(-1px); }
.button-secondary { border-color: var(--line-strong); background: var(--surface); color: var(--text); }
.button-secondary:hover { border-color: var(--accent); background: var(--surface-soft); color: var(--text); }
.button-danger { border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); background: var(--danger-soft); color: var(--danger); }
.button-danger:hover { border-color: var(--danger); background: var(--danger); color: #fff; }
.button-small { min-height: 36px; padding: 7px 12px; font-size: 13px; }
.button-large { min-height: 50px; padding: 13px 24px; }
.button-block { width: 100%; }
.button:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.actions form { margin: 0; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: grid; gap: 8px; margin-bottom: 19px; }
.form-grid .field { margin-bottom: 0; }
.field-full { grid-column: 1 / -1; }
.field label, .field-label { color: var(--text); font-size: 14px; font-weight: 650; }
.field small, .field-hint { color: var(--muted); font-size: 12px; }
.input, .field input[type="text"], .field input[type="url"], .field input[type="password"], .field input[type="number"], .field textarea, .field select {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-small);
    background: var(--surface-raised);
    color: var(--text);
    outline: none;
    transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus, .input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent); }
.field input::placeholder, .field textarea::placeholder, .input::placeholder { color: color-mix(in srgb, var(--muted) 72%, transparent); }
.required { color: var(--danger); }
.checkbox-row { display: flex; align-items: flex-start; gap: 11px; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-small); background: var(--surface-soft); cursor: pointer; }
.checkbox-row input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--accent); flex-shrink: 0; }
.checkbox-row span { display: grid; gap: 2px; }
.checkbox-row small { color: var(--muted); }
.form-actions { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }

.alert { margin-bottom: 22px; padding: 13px 16px; border: 1px solid var(--line); border-radius: var(--radius-small); background: var(--surface); font-size: 14px; }
.alert-error { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); background: var(--danger-soft); color: var(--danger); }
.alert-success { border-color: color-mix(in srgb, var(--success) 30%, var(--line)); background: var(--success-soft); color: var(--success); }
.alert-warning { border-color: color-mix(in srgb, var(--warning) 30%, var(--line)); background: var(--warning-soft); color: var(--warning); }
.notice { padding: 14px 16px; border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; background: var(--accent-soft); color: var(--text); font-size: 14px; }
.public-preview-notice { width: min(1120px, calc(100% - 40px)); margin: 16px auto 0; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--warning-soft); color: var(--warning); font-size: 13px; text-align: center; }

.hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); align-items: center; gap: clamp(40px, 8vw, 90px); min-height: 580px; }
.hero-copy h1 { max-width: 680px; font-size: clamp(40px, 6vw, 66px); }
.hero-copy h1 span { color: var(--accent); }
.hero-copy > p { max-width: 590px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 22px; margin-top: 34px; padding: 0; list-style: none; color: var(--muted); font-size: 13px; flex-wrap: wrap; }
.hero-points li::before { margin-right: 7px; color: var(--accent); content: "✓"; font-weight: 800; }
.hero-visual { position: relative; padding: 28px; }
.hero-visual::before { position: absolute; inset: 6% 4%; border-radius: 50%; background: color-mix(in srgb, var(--accent) 13%, transparent); filter: blur(50px); content: ""; }
.device-card { position: relative; width: min(330px, 100%); margin: auto; padding: 16px; border: 1px solid var(--line-strong); border-radius: 38px; background: var(--surface); box-shadow: 0 30px 80px rgba(20, 61, 48, .18); transform: rotate(3deg); }
.device-screen { padding: 34px 22px 26px; border-radius: 25px; background: var(--surface-soft); text-align: center; }
.device-icon { display: grid; width: 82px; height: 82px; margin: 12px auto 18px; place-items: center; border-radius: 22px; background: var(--accent); color: var(--accent-contrast); font-size: 34px; font-weight: 800; box-shadow: 0 15px 35px color-mix(in srgb, var(--accent) 25%, transparent); }
.device-screen h2 { font-size: 20px; }
.device-screen p { color: var(--muted); font-size: 13px; }
.device-status { display: flex; justify-content: space-between; margin-bottom: 24px; color: var(--muted); font-size: 10px; }
.feature-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; margin-top: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
.feature-item { padding: 26px; background: var(--surface); }
.feature-item span { color: var(--accent); font-size: 12px; font-weight: 750; }
.feature-item h2 { margin-top: 14px; font-size: 18px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 14px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat-card { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.stat-card span { display: block; color: var(--muted); font-size: 12px; }
.stat-card strong { display: block; margin-top: 6px; font-size: 27px; line-height: 1.2; }
.app-list { display: grid; gap: 14px; }
.app-row { display: grid; grid-template-columns: auto minmax(150px, 1fr) auto; align-items: center; gap: 18px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); }
.app-icon { width: 64px; height: 64px; border: 1px solid var(--line); border-radius: 16px; object-fit: cover; background: var(--surface-soft); }
.app-main { min-width: 0; }
.app-title-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.app-title-line h2 { overflow: hidden; margin: 0; font-size: 18px; text-overflow: ellipsis; white-space: nowrap; }
.app-url { overflow: hidden; margin: 5px 0 8px; color: var(--muted); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.app-meta { display: flex; gap: 14px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px; border-radius: 99px; background: var(--surface-soft); color: var(--muted); font-size: 11px; font-weight: 650; }
.badge-published { background: var(--success-soft); color: var(--success); }
.badge-offline { background: var(--warning-soft); color: var(--warning); }
.badge-blocked { background: var(--danger-soft); color: var(--danger); }
.empty-state { padding: 56px 24px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 65%, transparent); text-align: center; }
.empty-state h2 { margin-top: 14px; }
.empty-state p { color: var(--muted); }
.empty-symbol { display: grid; width: 56px; height: 56px; margin: auto; place-items: center; border-radius: 17px; background: var(--accent-soft); color: var(--accent); font-size: 25px; }

.step-list { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 30px; }
.step-item { position: relative; display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--muted); font-size: 13px; }
.step-item:not(:last-child)::after { position: absolute; top: 16px; left: calc(50% + 45px); width: calc(100% - 90px); height: 1px; background: var(--line-strong); content: ""; }
.step-number { display: grid; z-index: 1; width: 32px; height: 32px; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--surface); font-size: 12px; }
.step-item.is-active { color: var(--text); font-weight: 650; }
.step-item.is-active .step-number, .step-item.is-complete .step-number { border-color: var(--accent); background: var(--accent); color: var(--accent-contrast); }
.wizard-step h2 { margin-bottom: 6px; }
.wizard-step > p { margin-bottom: 25px; color: var(--muted); }
.icon-upload { display: flex; align-items: center; gap: 20px; margin-bottom: 22px; }
.icon-preview { width: 92px; height: 92px; border: 1px solid var(--line); border-radius: 23px; object-fit: cover; background: var(--surface-soft); }
.icon-placeholder { display: grid; place-items: center; color: var(--muted); font-size: 28px; }

.template-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.template-option { position: relative; cursor: pointer; }
.template-option input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.template-card { overflow: hidden; height: 100%; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); transition: border-color .16s ease, transform .16s ease, box-shadow .16s ease; }
.template-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; background: var(--surface-soft); }
.template-card span { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; font-size: 13px; }
.template-card span::after { color: var(--muted); content: "○"; }
.template-option input:checked + .template-card { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 13%, transparent); transform: translateY(-2px); }
.template-option input:checked + .template-card span { color: var(--accent); font-weight: 700; }
.template-option input:checked + .template-card span::after { content: "●"; }
.template-option input:focus-visible + .template-card { outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset: 3px; }

.detail-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); align-items: start; gap: 20px; }
.link-box { display: flex; align-items: center; gap: 8px; }
.link-box .input { min-width: 0; }
.success-mark { display: grid; width: 66px; height: 66px; margin-bottom: 22px; place-items: center; border-radius: 21px; background: var(--accent-soft); color: var(--accent); font-size: 30px; }
.guide-list { margin: 0; padding: 0; list-style: none; counter-reset: guide; }
.guide-list li { position: relative; min-height: 44px; padding: 0 0 26px 58px; counter-increment: guide; }
.guide-list li::before { position: absolute; top: 0; left: 0; display: grid; width: 36px; height: 36px; place-items: center; border-radius: 11px; background: var(--accent-soft); color: var(--accent); content: counter(guide); font-weight: 750; }
.guide-list li:not(:last-child)::after { position: absolute; top: 42px; bottom: 4px; left: 18px; width: 1px; background: var(--line); content: ""; }
.guide-list strong { display: block; margin-bottom: 4px; }
.guide-list p { margin: 0; color: var(--muted); font-size: 14px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td { padding: 15px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.admin-table th { background: var(--surface-soft); color: var(--muted); font-size: 12px; font-weight: 650; white-space: nowrap; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-app { display: flex; align-items: center; min-width: 190px; gap: 11px; }
.admin-app img { width: 42px; height: 42px; border-radius: 11px; object-fit: cover; }
.admin-app strong { display: block; }
.admin-app small { display: block; max-width: 230px; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.search-bar { display: flex; gap: 10px; margin-bottom: 20px; }
.search-bar .input { max-width: 420px; }
.certificate-status { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 24px; }
.file-status { padding: 14px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-soft); font-size: 13px; }
.file-status strong { display: block; margin-bottom: 3px; }
.file-status span { color: var(--muted); }
.file-status.is-ready span { color: var(--success); }

@media (max-width: 1000px) {
    .template-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .app-row { grid-template-columns: auto minmax(0, 1fr); }
    .app-row > .actions { grid-column: 1 / -1; padding-left: 82px; }
}

@media (max-width: 760px) {
    .header-inner { width: min(100% - 28px, 1180px); min-height: 68px; gap: 10px; }
    .brand-copy small { display: none; }
    .brand-mark { width: 36px; height: 36px; border-radius: 11px; }
    .nav-user, .theme-toggle [data-theme-label] { display: none; }
    .site-nav { gap: 2px; }
    .nav-link, .theme-toggle, .nav-button { min-height: 34px; padding: 6px 8px; font-size: 12px; }
    .page-shell { width: min(100% - 28px, 1180px); padding: 32px 0 52px; }
    .page-heading { align-items: flex-start; flex-direction: column; margin-bottom: 24px; }
    .panel { padding: 21px; border-radius: 15px; }
    .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 20px; }
    .hero-copy h1 { font-size: clamp(37px, 11vw, 52px); }
    .hero-visual { padding: 10px 20px 30px; }
    .device-card { width: min(290px, 90%); }
    .feature-strip { grid-template-columns: 1fr; }
    .form-grid, .detail-grid { grid-template-columns: 1fr; }
    .template-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .step-item { gap: 5px; font-size: 11px; }
    .step-item:not(:last-child)::after { display: none; }
    .step-number { width: 28px; height: 28px; }
    .site-footer { width: calc(100% - 28px); flex-direction: column; gap: 6px; }
    .site-footer div { flex-direction: column; gap: 2px; }
    .certificate-status { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .brand-copy { display: none; }
    .app-row { grid-template-columns: auto minmax(0, 1fr); padding: 16px; gap: 13px; }
    .app-row > .actions { padding-left: 0; }
    .app-icon { width: 52px; height: 52px; border-radius: 13px; }
    .stats-grid { gap: 10px; }
    .stat-card { padding: 16px; }
    .stat-card strong { font-size: 23px; }
    .icon-upload { align-items: flex-start; }
    .icon-preview { width: 74px; height: 74px; border-radius: 18px; }
    .form-actions { align-items: stretch; flex-direction: column-reverse; }
    .form-actions .button { width: 100%; }
    .form-actions .actions { justify-content: space-between; }
    .search-bar { flex-direction: column; }
    .search-bar .input { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}