/* ============================================================
   Binary Admin — matches public design system
   Space Grotesk / Inter / Geist Mono, cyan + lime, light/dark
   ============================================================ */

*,
*::before,
*::after { box-sizing: border-box; }

:root {
    --font-heading: "Space Grotesk", Inter, ui-sans-serif, system-ui, sans-serif;
    --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: "Geist Mono", "SFMono-Regular", Consolas, monospace;

    --radius: 0.75rem;
    --radius-sm: 0.45rem;
    --radius-md: 0.6rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1.05rem;
    --radius-2xl: 1.35rem;
    --radius-3xl: 1.65rem;
    --ease-out-expo: cubic-bezier(0.22, 1, 0.36, 1);
}

:root,
[data-theme="dark"] {
    color-scheme: dark;
    --bg: #05070a;
    --card: #0d1218;
    --text: #f5f7fa;
    --muted: #9aa4b2;
    --cyan: #00e5ff;
    --green: #b6ff3b;
    --border: #1f2a37;
    --destructive: #ff5a5f;
    --secondary: #10141b;
    --primary-fg: #04121a;
    --accent-fg: #0a1401;
    --sidebar: #080b10;
    --input-bg: #05070a;
}

[data-theme="light"] {
    color-scheme: light;
    --bg: #f7f9fc;
    --card: #ffffff;
    --text: #0b1220;
    --muted: #5b6472;
    --cyan: #0090a6;
    --green: #4a9c17;
    --border: #dbe1eb;
    --destructive: #d94f52;
    --secondary: #eef1f7;
    --primary-fg: #ffffff;
    --accent-fg: #ffffff;
    --sidebar: #ffffff;
    --input-bg: #ffffff;
}

html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

button, input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--text);
}

:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
    border-radius: 6px;
}

/* ============================================================
   Shell (sidebar + main)
   ============================================================ */
.admin-shell {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-right: 1px solid var(--border);
    background: var(--sidebar);
    padding: 24px 20px;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}
.admin-brand svg {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
}
.admin-brand .fallback-mark {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid color-mix(in oklab, var(--cyan) 40%, transparent);
    border-radius: var(--radius-md);
    background: color-mix(in oklab, var(--cyan) 10%, transparent);
    color: var(--cyan);
    font-weight: 900;
}

.admin-nav {
    display: grid;
    gap: 4px;
}
.admin-nav a,
.admin-sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s, transform 0.15s;
}
.admin-nav a:hover,
.admin-sidebar-footer a:hover {
    background: color-mix(in oklab, var(--secondary) 60%, transparent);
    color: var(--text);
}
.admin-nav a.active {
    background: color-mix(in oklab, var(--cyan) 10%, transparent);
    color: var(--cyan);
}
.admin-nav a svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.admin-sidebar-footer {
    margin-top: auto;
    display: grid;
    gap: 2px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* ============================================================
   Main area + topbar
   ============================================================ */
.admin-main {
    min-width: 0;
    padding: 28px 32px 40px;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.admin-topbar-titles p {
    margin: 0 0 6px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}
.admin-topbar h1 {
    margin: 0;
    font-size: 1.75rem;
    line-height: 1.15;
    font-weight: 700;
}
.admin-topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--text);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}
.theme-toggle:hover {
    color: var(--cyan);
    border-color: color-mix(in oklab, var(--cyan) 40%, transparent);
    background: color-mix(in oklab, var(--secondary) 40%, transparent);
}
.theme-toggle svg { width: 16px; height: 16px; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ============================================================
   Alerts
   ============================================================ */
.admin-alert {
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--border);
    background: color-mix(in oklab, var(--card) 70%, transparent);
}
.admin-alert.success {
    border-color: color-mix(in oklab, var(--green) 40%, transparent);
    background: color-mix(in oklab, var(--green) 12%, transparent);
    color: var(--green);
}
.admin-alert.error {
    border-color: color-mix(in oklab, var(--destructive) 40%, transparent);
    background: color-mix(in oklab, var(--destructive) 12%, transparent);
    color: var(--destructive);
}

/* ============================================================
   Cards, panels, tables
   ============================================================ */
.admin-card,
.admin-panel,
.admin-table-wrap,
.login-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    background: color-mix(in oklab, var(--card) 80%, transparent);
    transition: border-color 0.3s, transform 0.3s var(--ease-out-expo);
}
.admin-card {
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.admin-card:hover {
    border-color: color-mix(in oklab, var(--cyan) 40%, transparent);
    transform: translateY(-2px);
}
.admin-card strong {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text);
    font-size: 1rem;
}
.admin-card .muted {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.admin-panel {
    padding: 24px;
}

.admin-grid {
    display: grid;
    gap: 16px;
}
.admin-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.admin-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.admin-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1100px) {
    .admin-grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .admin-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
    .admin-grid.cols-4,
    .admin-grid.cols-3,
    .admin-grid.cols-2 { grid-template-columns: 1fr; }
}

.stat strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    line-height: 1;
    background: linear-gradient(100deg, var(--text) 20%, var(--cyan) 70%, var(--green) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.stat span,
.muted {
    color: var(--muted);
    font-size: 13px;
}

.admin-section-title {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    margin: 30px 0 14px;
}
.admin-section-title h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}
.admin-section-title .hint {
    font-size: 13px;
    color: var(--muted);
    font-weight: 400;
}

/* ============================================================
   Forms
   ============================================================ */
.admin-form {
    display: grid;
    gap: 20px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
@media (max-width: 700px) {
    .form-grid { grid-template-columns: 1fr; }
}
.field {
    display: grid;
    gap: 6px;
}
.field.full {
    grid-column: 1 / -1;
}
.field label {
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
}
.field .hint {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
    margin-top: 2px;
}
.field input,
.field textarea,
.field select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--input-bg);
    color: var(--text);
    padding: 11px 14px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.field input[type="color"] {
    height: 46px;
    padding: 4px;
    cursor: pointer;
}
.field input[type="file"] {
    padding: 8px 10px;
    background: color-mix(in oklab, var(--secondary) 40%, transparent);
    cursor: pointer;
}
.field textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-sans);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--cyan) 20%, transparent);
}

.check-field {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}
.check-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--cyan);
    cursor: pointer;
}

/* ============================================================
   Buttons
   ============================================================ */
.admin-button,
button.admin-button,
.button-row .admin-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    background: var(--cyan);
    color: var(--primary-fg);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: transform 0.2s var(--ease-out-expo), background-color 0.2s, color 0.2s, border-color 0.2s;
    text-decoration: none;
    white-space: nowrap;
}
.admin-button:hover {
    transform: translateY(-1px);
    background: color-mix(in oklab, var(--cyan) 88%, white);
}
.admin-button.ghost {
    background: color-mix(in oklab, var(--secondary) 60%, transparent);
    color: var(--text);
    border-color: var(--border);
}
.admin-button.ghost:hover {
    color: var(--cyan);
    border-color: color-mix(in oklab, var(--cyan) 40%, transparent);
    background: color-mix(in oklab, var(--cyan) 8%, transparent);
}
.admin-button.small {
    padding: 8px 14px;
    font-size: 13px;
}
.admin-button.danger,
.danger-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-lg);
    background: color-mix(in oklab, var(--destructive) 15%, transparent);
    color: var(--destructive);
    border: 1px solid color-mix(in oklab, var(--destructive) 40%, transparent);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: transform 0.2s var(--ease-out-expo), background-color 0.2s, color 0.2s;
    white-space: nowrap;
}
.admin-button.danger:hover,
.danger-button:hover {
    background: var(--destructive);
    color: #fff;
    transform: translateY(-1px);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

/* ============================================================
   Tables
   ============================================================ */
.admin-table-wrap {
    overflow-x: auto;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.admin-table th,
.admin-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.admin-table th {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: color-mix(in oklab, var(--secondary) 30%, transparent);
}
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table tr:hover td {
    background: color-mix(in oklab, var(--secondary) 25%, transparent);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 9999px;
    background: color-mix(in oklab, var(--secondary) 60%, transparent);
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge.green {
    background: color-mix(in oklab, var(--green) 12%, transparent);
    color: var(--green);
    border: 1px solid color-mix(in oklab, var(--green) 30%, transparent);
}
.badge.cyan {
    background: color-mix(in oklab, var(--cyan) 12%, transparent);
    color: var(--cyan);
    border: 1px solid color-mix(in oklab, var(--cyan) 30%, transparent);
}

/* ============================================================
   Login page (centered card, matches public aesthetic)
   ============================================================ */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    min-height: 100vh;
    background:
        radial-gradient(600px 300px at 15% -10%, color-mix(in oklab, var(--cyan) 12%, transparent), transparent 60%),
        radial-gradient(500px 260px at 85% 110%, color-mix(in oklab, var(--green) 10%, transparent), transparent 60%),
        var(--bg);
}
.login-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(to right, color-mix(in oklab, var(--border) 55%, transparent) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in oklab, var(--border) 55%, transparent) 1px, transparent 1px);
    background-size: 56px 56px;
    opacity: 0.35;
    -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 70%);
    mask-image: radial-gradient(ellipse at center, black, transparent 70%);
}
.login-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: 36px 32px;
    display: grid;
    gap: 18px;
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
    z-index: 1;
}
.login-card h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 700;
}
.login-card > p {
    color: var(--muted);
    font-size: 14px;
    margin: 4px 0 0;
    line-height: 1.55;
}
.login-card .admin-brand { justify-content: flex-start; }

/* ============================================================
   Image preview / thumbnails in tables
   ============================================================ */
.thumb,
.preview-image {
    width: 72px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

/* ============================================================
   Responsive: collapse sidebar on small screens
   ============================================================ */
@media (max-width: 900px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar {
        position: static;
        height: auto;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
    }
    .admin-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        flex: 1;
        justify-content: flex-end;
    }
    .admin-nav a { padding: 8px 12px; }
    .admin-sidebar-footer {
        margin: 0;
        padding: 0;
        border-top: 0;
        display: flex;
        gap: 8px;
    }
    .admin-main { padding: 20px 16px 32px; }
    .admin-topbar h1 { font-size: 1.4rem; }
}