/* ===== Design tokens ===== */
:root {
    --bg: #F5F5F7;
    --surface: #FFFFFF;
    --surface-2: #ECECEF;
    --ink: #1D1D1F;
    --ink-muted: #6E6E73;
    --border: #D2D2D7;
    --accent: #007AFF;
    --accent-strong: #0063CC;
    --beam: #9BCBFF;
    --danger: #D70015;
    --danger-strong: #A30010;
    --success: #248A3D;

    --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --space-6: 3rem;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 8px 24px -12px rgba(0, 0, 0, .12);

    --maxw-search: 680px;
    --maxw-admin: 920px;

    /* Glass-over-photo tokens (hero background, signature corner) —
       theme-invariant since they sit on a real photo, not the page background. */
    --glass-bg: rgba(255, 255, 255, .16);
    --glass-border: rgba(255, 255, 255, .32);
    --glass-blur: 18px;
    --on-photo: #FDF8EE;
    --on-photo-muted: rgba(253, 248, 238, .8);

    /* Translucent "vibrancy" surface for sticky toolbars (results header, admin bar) */
    --header-bg: rgba(255, 255, 255, .72);
}

:root[data-theme="dark"] {
    --bg: #1C1C1E;
    --surface: #2C2C2E;
    --surface-2: #3A3A3C;
    --ink: #F5F5F7;
    --ink-muted: #98989D;
    --border: #48484A;
    --accent: #0A84FF;
    --accent-strong: #409CFF;
    --beam: #2A4D7A;
    --danger: #FF453A;
    --danger-strong: #FF6961;
    --success: #30D158;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px -14px rgba(0, 0, 0, .6);
    --glass-bg: rgba(15, 12, 9, .42);
    --glass-border: rgba(255, 255, 255, .16);
    --header-bg: rgba(28, 28, 30, .72);
}

/* ===== Base ===== */
* { box-sizing: border-box; }

html, body { margin: 0; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--ink);
    transition: background-color .2s ease, color .2s ease;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -.01em;
    margin: 0;
}

a { color: var(--accent); }
a:hover { color: var(--accent-strong); }

button, input { font-family: inherit; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
    }
}

/* ===== Site header (shared chrome) ===== */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    max-width: var(--maxw-admin);
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--ink);
}

.brand__mark { flex-shrink: 0; width: 24px; height: 24px; display: block; transition: width .3s ease, height .3s ease, filter .3s ease; }

.brand__word {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -.01em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink-muted);
    cursor: pointer;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* On the homepage (the only page with data-mode) the toggle floats free of the
   header, since the header itself transforms between the centered hero and the
   compact sticky results bar. */
:root[data-mode] .theme-toggle {
    position: fixed;
    top: var(--space-3);
    right: var(--space-3);
    z-index: 5;
}
:root[data-mode="hero"] .theme-toggle {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    color: var(--on-photo);
    backdrop-filter: blur(var(--glass-blur));
}
:root[data-mode="hero"] .theme-toggle:hover { color: var(--accent-strong); border-color: var(--on-photo); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: .55rem 1rem;
    font-size: .9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
    white-space: nowrap;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
}
.btn--primary:hover { background: var(--accent-strong); }

.btn--ghost {
    background: var(--surface);
    border-color: var(--border);
    color: var(--ink);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn--danger {
    background: var(--surface);
    border-color: var(--border);
    color: var(--danger);
}
.btn--danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

.btn--sm { padding: .35rem .7rem; font-size: .8rem; }

/* ===== Alerts ===== */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    margin: var(--space-3) 0;
}

.alert--error {
    background: color-mix(in srgb, var(--danger) 12%, var(--surface));
    color: var(--danger-strong);
    border: 1px solid color-mix(in srgb, var(--danger) 30%, var(--border));
}

.alert--success {
    background: color-mix(in srgb, var(--success) 12%, var(--surface));
    color: var(--success);
    border: 1px solid color-mix(in srgb, var(--success) 30%, var(--border));
}

/* legacy hooks used by existing JS (error / flash class names) */
.error { color: var(--danger-strong); }
.flash { color: var(--success); }
#message.error, #loginError.error, #message.flash { display: block; }

/* ===== Background stage (homepage hero photo) ===== */
.bg-stage {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    /* Los Santos dusk gradient — the permanent fallback, visible instantly and
       whenever the wallpapers folder is empty or a fetch fails. */
    background: linear-gradient(160deg, #1B1320 0%, #3A2230 28%, #7A3F2A 60%, #D98A3D 100%);
    transition: opacity .6s ease;
}
:root[data-mode="results"] .bg-stage { opacity: 0; }

.bg-stage__layer {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
    will-change: opacity, transform;
}
.bg-stage__layer.is-active { opacity: 1; }
.bg-stage__layer.is-panning { animation: bgStagePan 24s ease-in-out infinite alternate; }

@keyframes bgStagePan {
    from { transform: scale(1) translate(0, 0); }
    to { transform: scale(1.08) translate(-1.5%, -1.5%); }
}

.bg-stage__scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 8, 6, .5) 0%, rgba(10, 8, 6, .15) 35%, rgba(10, 8, 6, .6) 100%);
}

/* ===== Search hero / results header (public homepage) ===== */
:root[data-mode="hero"] .site-header {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 62vh;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-4) var(--space-3);
    max-width: none;
}
:root[data-mode="hero"] .brand__mark {
    width: 72px;
    height: 72px;
    filter: drop-shadow(0 0 28px color-mix(in srgb, var(--beam) 75%, transparent));
}
:root[data-mode="hero"] .brand__word {
    font-size: 2.6rem;
    letter-spacing: -.02em;
    color: var(--on-photo);
    text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}

:root[data-mode="results"] .site-header {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.search-hero__tagline {
    color: var(--on-photo-muted);
    margin: 0;
    font-size: 1rem;
}
:root[data-mode="results"] .search-hero__tagline { display: none; }

.search-form {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: .35rem .35rem .35rem var(--space-4);
    box-shadow: var(--shadow);
    text-align: left;
}
:root[data-mode="hero"] .search-form {
    width: min(680px, 90vw);
    background: var(--glass-bg);
    border-color: var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
}
:root[data-mode="results"] .search-form {
    flex: 1;
    max-width: 480px;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--ink);
    font-size: 1rem;
    padding: .6rem 0;
    outline: none;
}
:root[data-mode="hero"] .search-input { color: var(--on-photo); }

.search-input::placeholder { color: var(--ink-muted); }
:root[data-mode="hero"] .search-input::placeholder { color: var(--on-photo-muted); }

.search-submit {
    border: none;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-pill);
    padding: .65rem 1.4rem;
    font-weight: 600;
    cursor: pointer;
}
.search-submit:hover { background: var(--accent-strong); }

/* ===== Search results area (public) ===== */
.search-hero {
    position: relative;
    z-index: 1;
    max-width: var(--maxw-search);
    margin: 0 auto;
    padding: var(--space-4) var(--space-4) var(--space-6);
    text-align: left;
}
:root[data-mode="hero"] .search-hero { display: none; }

.result-count {
    color: var(--ink-muted);
    font-size: .9rem;
    text-align: left;
    margin: var(--space-5) 0 var(--space-3);
}

.no-results, .empty-state {
    color: var(--ink-muted);
    text-align: left;
    padding: var(--space-4) 0;
}

.results {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.result-card {
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--border);
}
.result-card:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.result-card__domain {
    font-size: .8rem;
    color: var(--ink-muted);
    text-transform: lowercase;
}

.result-card__title {
    display: block;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    margin: .15rem 0 .25rem;
}
.result-card__title:hover { color: var(--accent); }

.result-card__snippet {
    color: var(--ink-muted);
    margin: 0;
    line-height: 1.5;
}

.pager {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-5);
}

.pager__status { color: var(--ink-muted); font-size: .9rem; }

/* ===== Admin top bar (macOS toolbar — translucent, theme-following) ===== */
.admin-body .site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.admin-body .site-header .brand,
.admin-body .site-header .brand__word {
    color: var(--ink);
}
.admin-body .theme-toggle {
    background: var(--surface);
    border-color: var(--border);
    color: var(--ink-muted);
}
.admin-body .theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.admin-body #logoutButton {
    background: var(--surface);
    border-color: var(--border);
    color: var(--ink);
}
.admin-body #logoutButton:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Admin shell ===== */
.admin-shell {
    max-width: var(--maxw-admin);
    margin: 0 auto var(--space-6);
    padding: 0 var(--space-4);
}

.page-heading {
    font-size: 1.5rem;
    margin: var(--space-4) 0 var(--space-2);
}

.admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    margin: 0 0 var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border);
}

.admin-nav a {
    color: var(--ink-muted);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 600;
}
.admin-nav a:hover, .admin-nav a[aria-current="page"] { color: var(--accent); }

.lede {
    color: var(--ink-muted);
    max-width: 60ch;
}

/* ===== Panels / cards ===== */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.nav-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.nav-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-4);
    text-decoration: none;
    color: var(--ink);
    transition: border-color .15s ease, transform .15s ease;
}

.nav-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.nav-card__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 var(--space-1);
}

.nav-card__desc {
    color: var(--ink-muted);
    font-size: .9rem;
    margin: 0;
}

/* ===== Forms ===== */
.form-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 420px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.field label {
    font-size: .85rem;
    font-weight: 600;
    color: var(--ink-muted);
}

.field input {
    padding: .6rem .75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink);
    font-size: .95rem;
}

.field input:focus { border-color: var(--accent); }

/* ===== Tables ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-3) 0 var(--space-5);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: .65rem .85rem;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
}

.data-table th {
    background: var(--surface-2);
    color: var(--ink-muted);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.data-table tr:last-child td { border-bottom: none; }

.row-actions {
    display: flex;
    gap: var(--space-2);
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .6rem;
    border-radius: var(--radius-pill);
    font-size: .75rem;
    font-weight: 600;
    background: var(--surface-2);
    color: var(--ink-muted);
}

.badge--done { background: color-mix(in srgb, var(--success) 16%, var(--surface)); color: var(--success); }
.badge--running { background: color-mix(in srgb, var(--accent) 16%, var(--surface)); color: var(--accent-strong); }
.badge--pending { background: var(--surface-2); color: var(--ink-muted); }
.badge--error { background: color-mix(in srgb, var(--danger) 16%, var(--surface)); color: var(--danger-strong); }

.badge--info { background: var(--surface-2); color: var(--ink-muted); }
.badge--warn { background: color-mix(in srgb, var(--accent) 16%, var(--surface)); color: var(--accent-strong); }

/* ===== Auth card ===== */
.auth-shell {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.auth-card {
    width: 100%;
    max-width: 340px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-5);
    text-align: center;
}
:root[data-mode="hero"] .auth-card {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    color: var(--on-photo);
}
:root[data-mode="hero"] .auth-card .field label { color: var(--on-photo-muted); }
:root[data-mode="hero"] .auth-card .field input {
    background: rgba(255, 255, 255, .12);
    border-color: var(--glass-border);
    color: var(--on-photo);
}

.auth-card__mark {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-2);
}

.auth-card h1 {
    font-size: 1.3rem;
    margin-bottom: var(--space-4);
}

.auth-card form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    text-align: left;
}

/* ===== 404 ===== */
.notfound {
    position: relative;
    z-index: 1;
    max-width: var(--maxw-search);
    margin: var(--space-6) auto;
    padding: 0 var(--space-4);
    text-align: center;
}
:root[data-mode="hero"] .notfound {
    color: var(--on-photo);
    font-size: 1.05rem;
}
:root[data-mode="hero"] .notfound a { color: var(--accent); }

/* ===== Crown signature (every page) ===== */
.signature {
    position: fixed;
    right: .6rem;
    bottom: .6rem;
    z-index: 5;
    display: block;
    line-height: 0;
    opacity: .85;
    transition: opacity .2s ease, transform .2s ease;
}

.signature img {
    display: block;
    width: 16px;
    height: 16px;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .35));
}

.signature:hover,
.signature:focus-visible {
    opacity: 1;
    transform: scale(1.06);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .site-header { padding: var(--space-3); }
    :root[data-mode="hero"] .site-header { min-height: 56vh; padding: var(--space-5) var(--space-3) var(--space-3); }
    :root[data-mode="hero"] .brand__mark { width: 56px; height: 56px; }
    :root[data-mode="hero"] .brand__word { font-size: 2rem; }

    .search-hero { padding: var(--space-4) var(--space-3) var(--space-6); }

    .search-form { flex-direction: column; align-items: stretch; border-radius: var(--radius); padding: var(--space-2); }
    :root[data-mode="results"] .search-form { max-width: none; }
    .search-input { padding: .5rem .25rem; }
    .search-submit { border-radius: var(--radius-sm); }

    .admin-shell { padding: 0 var(--space-3); }

    .data-table { display: block; overflow-x: auto; white-space: nowrap; }

    .row-actions { flex-direction: column; }

    .nav-cards { grid-template-columns: 1fr; }

    body { padding-bottom: 2.5rem; }
}