:root {
    --font-main: "Prompt", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --bg: #f7f8fb;
    --surface: #ffffff;
    --surface-soft: #f1f5f9;
    --text: #172033;
    --muted: #64748b;
    --border: #dbe3ef;
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --sidebar: #101828;
    --sidebar-soft: #1d2939;
    --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
    --bg: #0f172a;
    --surface: #111827;
    --surface-soft: #1f2937;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #334155;
    --primary: #60a5fa;
    --primary-strong: #3b82f6;
    --sidebar: #020617;
    --sidebar-soft: #111827;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-main);
    font-weight: 300;
    background: var(--bg);
    color: var(--text);
    letter-spacing: 0;
}

a {
    color: var(--primary);
}

.layout {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 270px;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--sidebar);
    color: #f8fafc;
    padding: 18px;
    z-index: 20;
}

.brand-panel {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 10px 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: #ffffff;
    color: #0f172a;
    font-weight: 600;
}

.brand-title {
    font-size: 18px;
    font-weight: 500;
}

.brand-subtitle,
.page-eyebrow {
    color: var(--muted);
    font-size: 12px;
}

.sidebar-nav {
    display: grid;
    gap: 6px;
    padding-top: 18px;
}

.sidebar-nav a,
.logout-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 8px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
}

.sidebar-nav a:hover,
.sidebar-nav a.active,
.logout-link:hover {
    background: var(--sidebar-soft);
    color: #ffffff;
}

.sidebar-nav i,
.logout-link i {
    width: 18px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
}

.logout-link {
    color: #fca5a5;
}

.app-main {
    flex: 1;
    min-width: 0;
    padding: 24px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.topbar h1 {
    margin: 2px 0 0;
    font-size: 26px;
    font-weight: 500;
    color: var(--text);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle,
.user-chip,
.icon-btn {
    min-height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    padding: 8px 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.04);
}

.icon-btn {
    width: 42px;
    justify-content: center;
}

.card-modern,
.custom-card,
.stat-card,
.main-stat-card,
.section-card {
    background: var(--surface) !important;
    color: var(--text);
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    box-shadow: var(--shadow) !important;
}

.table {
    color: var(--text);
}

.table thead th {
    background: var(--surface-soft) !important;
    color: var(--muted) !important;
    border-color: var(--border) !important;
    font-weight: 400;
}

.table td,
.table th {
    border-color: var(--border) !important;
}

.form-control,
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    border-radius: 8px !important;
    border: 1px solid var(--border) !important;
    background: var(--surface) !important;
    color: var(--text) !important;
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16) !important;
}

.btn {
    border-radius: 8px !important;
    font-weight: 400;
}

.btn-primary {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

.soft-alert {
    border-radius: 8px;
    border: 0;
    box-shadow: var(--shadow);
}

.public-shell {
    min-height: 100vh;
    background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 32%), var(--bg);
}

.public-container {
    width: min(1120px, calc(100% - 28px));
    margin: 0 auto;
    padding: 24px 0 40px;
}

.public-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.public-title h1 {
    margin: 0;
    font-size: 30px;
    font-weight: 500;
}

.public-title p {
    margin: 6px 0 0;
    color: var(--muted);
}

.form-grid-2,
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid-3,
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.section-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    margin-bottom: 18px;
}

@media (max-width: 991.98px) {
    .app-sidebar {
        position: fixed;
        left: -290px;
        transition: left 0.2s ease;
    }

    .app-sidebar.open {
        left: 0;
    }

    .app-main {
        padding: 18px;
    }

    .topbar {
        align-items: flex-start;
    }
}

@media (max-width: 767.98px) {
    .topbar,
    .public-header {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar-actions {
        justify-content: space-between;
    }

    .form-grid-2,
    .form-grid-3,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .public-title h1,
    .topbar h1 {
        font-size: 22px;
    }
}