:root {
    --bg: #0f172a;
    --panel: #ffffff;
    --panel-border: #e5e7eb;
    --text: #111827;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --radius: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; background: #f3f4f6; color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
small { color: var(--muted); }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.login-card {
    width: 100%;
    max-width: 520px;
    background: #fff;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.28);
}

.login-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 700;
    margin-bottom: 16px;
}

.admin-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--bg);
    color: #e5e7eb;
    padding: 24px;
}

.brand-title { font-size: 24px; font-weight: 700; }
.brand-subtitle { color: #94a3b8; margin-top: 6px; }
.menu { display: flex; flex-direction: column; gap: 8px; margin-top: 32px; }
.menu a {
    padding: 12px 14px;
    border-radius: 12px;
    color: #e5e7eb;
    background: rgba(255,255,255,0.04);
}
.menu a:hover { text-decoration: none; background: rgba(255,255,255,0.1); }

.content { padding: 24px; }
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}
.topbar h1 { margin: 0 0 6px; }
.topbar p { margin: 0; color: var(--muted); }
.user-box {
    background: #fff;
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.user-box span { color: var(--muted); font-size: 14px; }

.panel, .stat-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.panel-header { margin-bottom: 16px; }
.panel-header h2 { margin: 0 0 6px; }
.panel-header p { margin: 0; color: var(--muted); }
.panel-header.between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.cards-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-card span { color: var(--muted); display: block; margin-bottom: 8px; }
.stat-card strong { font-size: 34px; display: block; margin-bottom: 6px; }
.stat-card small { color: var(--muted); }

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.form-grid.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.full-width { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 8px; font-weight: 600; }
input, select, textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    font: inherit;
    background: #fff;
}
textarea { resize: vertical; }

.actions-row, .filter-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 12px;
    border: 0;
    cursor: pointer;
    font-weight: 700;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #e5e7eb; color: #111827; }
.btn-secondary:hover { background: #d1d5db; text-decoration: none; }

.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
th, td {
    padding: 12px 10px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    vertical-align: top;
}
th { color: var(--muted); font-size: 14px; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}
.badge-draft { background: #fef3c7; color: #92400e; }
.badge-published, .badge-active { background: #dcfce7; color: #166534; }
.badge-archived, .badge-inactive, .badge-ended { background: #e5e7eb; color: #374151; }
.badge-paused { background: #dbeafe; color: #1d4ed8; }

.actions-inline {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.link-button {
    background: transparent;
    border: 0;
    padding: 0;
    margin: 0;
    color: var(--primary);
    cursor: pointer;
    font: inherit;
}
.link-button.danger { color: var(--danger); }

.alert {
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-weight: 600;
}
.alert-success { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef3c7; color: #92400e; }

.filters-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr auto;
    gap: 12px;
    margin-bottom: 18px;
    align-items: end;
}
.filters-grid.filters-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)) auto; }
.filters-grid.filters-grid-4 { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
.filters-grid.filters-grid-5 { grid-template-columns: 1.35fr 1fr 1fr 1fr 1fr; }

.term-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    background: #fff;
}
.brand-thumb {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    background: #fff;
    padding: 6px;
}
.brand-inline {
    display: flex;
    align-items: center;
    gap: 12px;
}
.muted-inline {
    color: var(--muted);
    font-size: 13px;
}
.media-preview-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    border: 1px dashed #cbd5e1;
    border-radius: 16px;
    background: #f8fafc;
}
.term-image-preview {
    max-width: 280px;
    max-height: 200px;
    object-fit: contain;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    background: #fff;
    padding: 8px;
}
.brand-logo-preview {
    max-width: 240px;
    max-height: 120px;
}
.campaign-asset-preview {
    max-width: 320px;
}
.checkbox-inline {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}
.checkbox-inline input {
    width: auto;
    margin: 0;
}
.direction-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 12px;
    font-weight: 700;
}
.color-pair {
    display: flex;
    gap: 8px;
    align-items: center;
}
.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 999px;
    border: 1px solid #d1d5db;
    display: inline-block;
}

@media (max-width: 1180px) {
    .cards-grid-4,
    .filters-grid.filters-grid-5,
    .filters-grid.filters-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    .admin-shell { grid-template-columns: 1fr; }
    .sidebar { padding-bottom: 12px; }
    .content { padding: 16px; }
    .cards-grid,
    .cards-grid-4,
    .form-grid.two-columns,
    .filters-grid,
    .filters-grid.filters-grid-3,
    .filters-grid.filters-grid-4,
    .filters-grid.filters-grid-5 {
        grid-template-columns: 1fr;
    }
    .topbar,
    .panel-header.between,
    .brand-inline {
        flex-direction: column;
        align-items: flex-start;
    }
}

.report-split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.report-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.inline-filter-form {
    display: flex;
    align-items: end;
    gap: 12px;
}

.inline-filter-form label {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.compact-table table td,
.compact-table table th {
    padding-top: 12px;
    padding-bottom: 12px;
}

.campaign-hero {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 18px;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    padding: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.campaign-hero-main,
.campaign-hero-side {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.campaign-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.campaign-title-row h3 {
    margin: 0 0 6px;
}

.campaign-title-row p,
.campaign-hero-side div {
    margin: 0;
    color: var(--muted);
}

.meta-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

@media (max-width: 1180px) {
    .report-metric-grid,
    .report-split-grid,
    .campaign-hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    .admin-shell { grid-template-columns: 1fr; }
    .sidebar { padding-bottom: 12px; }
    .content { padding: 16px; }
    .cards-grid, .form-grid.two-columns, .filters-grid, .report-metric-grid, .report-split-grid { grid-template-columns: 1fr; }
    .topbar, .panel-header.between, .campaign-hero, .campaign-title-row { flex-direction: column; align-items: flex-start; }
}