:root {
    --primary: #1F2A44;
    --primary-hover: #2B3759;
    --bg: #f3efe6;
    --bg-surface: #fcfaf5;
    --bg-hover: #f2ebde;
    --border: #d8cfbf;
    --border-hover: #bfb39f;
    --text: #25221d;
    --text-muted: #6f6557;
    --text-subtle: #998f80;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.15s ease;
    --success: #1f7a43;
    --warning: #9b6700;
    --danger: #9d2f2f;
    --sidebar-bg: #ede5d6;
    --sidebar-active: #f8f3e9;
    --code-bg: #f5f0e6;
    --spot-one: rgba(31, 42, 68, 0.06);
    --spot-two: rgba(174, 149, 111, 0.08);
    --theme-toggle-bg: rgba(252, 250, 245, 0.94);
}

:root[data-theme='dark'] {
    --primary: #5B5BD6;
    --primary-hover: #4F4FBF;
    --bg: #0C0C0E;
    --bg-surface: #131316;
    --bg-hover: #1C1C20;
    --border: #27272A;
    --border-hover: #3F3F46;
    --text: #FAFAFA;
    --text-muted: #71717A;
    --text-subtle: #3F3F46;
    --success: #4ADE80;
    --warning: #FBBF24;
    --danger: #F87171;
    --sidebar-bg: #0C0C0E;
    --sidebar-active: #131316;
    --code-bg: #0C0C0E;
    --spot-one: transparent;
    --spot-two: transparent;
    --theme-toggle-bg: rgba(19, 19, 22, 0.95);
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

html[data-theme='dark'] {
    color-scheme: dark;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top right, var(--spot-one), transparent 36%),
        radial-gradient(circle at left -20%, var(--spot-two), transparent 28%),
        var(--bg);
    color: var(--text);
    font: 14px/1.5 'Inter', sans-serif;
    animation: fadeIn 0.2s ease;
}

html[data-theme='dark'] body {
    background: var(--bg);
}

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

h1,
h2,
h3,
p {
    margin: 0;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    animation: slideUp 0.15s ease;
}

.card:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 38px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-primary {
    border: none;
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-ghost {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

html[data-theme='dark'] .btn-ghost {
    background: transparent;
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.btn-primary:active,
.btn-ghost:active {
    transform: scale(0.97);
}

.btn-block {
    width: 100%;
}

input,
select,
textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-surface);
    color: var(--text);
    font: inherit;
    transition: border-color var(--transition), background var(--transition);
}

html[data-theme='dark'] input,
html[data-theme='dark'] select,
html[data-theme='dark'] textarea {
    background: var(--bg);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
}

label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group {
    margin-bottom: 16px;
}

.flash {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.flash-success {
    color: var(--success);
    background: rgba(31, 122, 67, 0.08);
    border-color: rgba(31, 122, 67, 0.2);
}

.flash-error {
    color: var(--danger);
    background: rgba(157, 47, 47, 0.08);
    border-color: rgba(157, 47, 47, 0.2);
}

.flash-warning {
    color: var(--warning);
    background: rgba(155, 103, 0, 0.08);
    border-color: rgba(155, 103, 0, 0.2);
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100vh;
    overflow-y: auto;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
}

.sidebar-logo {
    padding: 20px 16px;
    font-size: 15px;
    font-weight: 600;
}

.sidebar-section-label {
    padding: 16px 12px 6px;
    color: var(--text-subtle);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sidebar-link {
    display: block;
    margin: 0 8px 4px;
    padding: 7px 12px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 13px;
    transition: background var(--transition), color var(--transition);
}

.sidebar-link:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.sidebar-link.active {
    background: var(--sidebar-active);
    color: var(--text);
    font-weight: 500;
}

.app-main {
    margin-left: 200px;
    padding: 32px;
}

.public-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 20px;
}

.landing-hero {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 20px;
    align-items: stretch;
    margin-bottom: 24px;
}

.landing-copy {
    padding: 18px 0 8px;
}

.landing-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid rgba(31, 42, 68, 0.24);
    border-radius: 999px;
    color: #2b3759;
    background: rgba(31, 42, 68, 0.08);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

html[data-theme='dark'] .landing-kicker {
    border: 1px solid rgba(91, 91, 214, 0.35);
    color: #C7D2FE;
    background: rgba(91, 91, 214, 0.08);
}

.landing-copy h1 {
    margin-top: 18px;
    font-size: clamp(40px, 6vw, 64px);
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.landing-copy .page-subtitle {
    max-width: 640px;
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.7;
}

.landing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.landing-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}

.landing-card-head {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.landing-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: rgba(31, 42, 68, 0.1);
    border: 1px solid rgba(31, 42, 68, 0.2);
    color: #2b3759;
}

html[data-theme='dark'] .landing-card-icon {
    background: linear-gradient(135deg, rgba(91, 91, 214, 0.22), rgba(91, 91, 214, 0.08));
    border: 1px solid rgba(91, 91, 214, 0.28);
    color: #C7D2FE;
}

.landing-card-icon svg {
    width: 22px;
    height: 22px;
}

.landing-card h2 {
    font-size: 22px;
}

.landing-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 28px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}

.landing-arrow {
    color: var(--text);
    font-size: 18px;
}

.landing-note {
    margin-top: 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.page-subtitle {
    margin-top: 6px;
    color: var(--text-muted);
}

.auth-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-wordmark {
    margin-bottom: 18px;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-card h1 {
    margin-bottom: 8px;
    font-size: 22px;
}

.auth-copy {
    margin-bottom: 20px;
    color: var(--text-muted);
}

.grid {
    display: grid;
    gap: 16px;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audience-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.stat-label,
.muted,
.empty-state {
    color: var(--text-muted);
}

.table-shell {
    overflow-x: auto;
}

code {
    padding: 2px 6px;
    border-radius: 6px;
    background: var(--code-bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: Consolas, monospace;
    font-size: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 12px;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

td {
    padding: 12px 8px;
    border-bottom: 1px solid var(--border);
}

tr:hover td {
    background: var(--bg-hover);
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
}

.badge-success {
    color: var(--success);
    background: rgba(31, 122, 67, 0.1);
}

.badge-warning {
    color: var(--warning);
    background: rgba(155, 103, 0, 0.1);
}

.badge-danger {
    color: var(--danger);
    background: rgba(157, 47, 47, 0.1);
}

.badge-muted {
    color: var(--text-muted);
    background: var(--bg-hover);
}

.theme-toggle {
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 1100;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--theme-toggle-bg);
    color: var(--text);
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.theme-toggle:active {
    transform: scale(0.97);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .app-main {
        margin-left: 0;
        padding: 20px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .landing-hero,
    .landing-grid {
        grid-template-columns: 1fr;
    }

    .theme-toggle {
        top: 10px;
        right: 10px;
    }
}