:root {
    --bg: #f4f7fb;
    --bg-elevated: rgba(255, 255, 255, 0.82);
    --bg-panel: rgba(255, 255, 255, 0.9);
    --text: #182230;
    --muted: #62748a;
    --line: rgba(148, 163, 184, 0.2);
    --primary: #0f766e;
    --primary-strong: #115e59;
    --accent: #f59e0b;
    --danger: #dc2626;
    --success: #15803d;
    --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
}

html[data-theme="dark"] {
    --bg: #0a1017;
    --bg-elevated: rgba(13, 19, 31, 0.78);
    --bg-panel: rgba(14, 22, 36, 0.92);
    --text: #eef2f7;
    --muted: #a1b1c6;
    --line: rgba(148, 163, 184, 0.18);
    --primary: #2dd4bf;
    --primary-strong: #14b8a6;
    --accent: #fbbf24;
    --danger: #f87171;
    --success: #4ade80;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 30%),
        radial-gradient(circle at bottom right, rgba(245, 158, 11, 0.15), transparent 28%),
        linear-gradient(135deg, #edf4ff 0%, var(--bg) 100%);
    min-height: 100vh;
}

html[data-theme="dark"] body {
    background:
        radial-gradient(circle at top left, rgba(45, 212, 191, 0.12), transparent 30%),
        radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.08), transparent 28%),
        linear-gradient(135deg, #061018 0%, var(--bg) 100%);
}

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

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

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 300px 1fr;
}

.guest-shell {
    grid-template-columns: 1fr;
}

.sidebar {
    padding: 28px;
    background: rgba(9, 15, 24, 0.78);
    color: #f7fafc;
    backdrop-filter: blur(18px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand h1 {
    margin: 4px 0 0;
    font-size: 2rem;
    letter-spacing: -0.04em;
}

.brand-kicker,
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    opacity: 0.7;
}

.sidebar-nav {
    display: grid;
    gap: 10px;
    margin-top: 28px;
}

.nav-link {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.84);
    background: rgba(255, 255, 255, 0.03);
    transition: 0.2s ease;
}

.nav-link.active,
.nav-link:hover {
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.24), rgba(245, 158, 11, 0.2));
    color: white;
    transform: translateX(2px);
}

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

.meta-pill,
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 0.8rem;
}

.meta-pill {
    background: rgba(255, 255, 255, 0.08);
}

.main-shell {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar,
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 28px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(244, 247, 251, 0.68);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}

html[data-theme="dark"] .topbar {
    background: rgba(10, 16, 23, 0.72);
}

.topbar-left,
.topbar-right,
.brand-user,
.action-row,
.inline-links,
.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.brand-user {
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--bg-panel);
    box-shadow: var(--shadow);
}

main {
    padding: 28px;
}

.page-intro,
.hero-card,
.panel,
.stat-card,
.metric-card {
    backdrop-filter: blur(18px);
    background: var(--bg-panel);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.page-intro,
.hero-card,
.panel {
    border-radius: var(--radius-lg);
}

.page-intro {
    padding: 28px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.page-intro h2,
.hero-card h2,
.panel h3 {
    margin-top: 0;
}

.hero-card {
    padding: 30px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
    margin-bottom: 22px;
    overflow: hidden;
    position: relative;
}

.hero-card::after {
    content: "";
    position: absolute;
    inset: auto -80px -80px auto;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.22), transparent 65%);
}

.hero-meta {
    display: grid;
    gap: 14px;
}

.metric-card,
.stat-card {
    padding: 18px 20px;
    border-radius: var(--radius-md);
}

.metric-card strong,
.stat-card strong {
    display: block;
    font-size: 1.7rem;
    margin-bottom: 6px;
}

.grid {
    display: grid;
    gap: 20px;
}

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

.wide-right {
    grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 22px;
}

.panel {
    padding: 24px;
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

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

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

th,
td {
    text-align: left;
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

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

.field {
    display: grid;
    gap: 8px;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.6);
    color: var(--text);
}

html[data-theme="dark"] .field input,
html[data-theme="dark"] .field select,
html[data-theme="dark"] .field textarea {
    background: rgba(10, 16, 23, 0.7);
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.full-span {
    grid-column: 1 / -1;
}

.primary-button,
.secondary-button,
.ghost-button,
.icon-button,
.table-link,
.button-link {
    border: 0;
    cursor: pointer;
    transition: 0.2s ease;
}

.primary-button,
.secondary-button,
.ghost-button,
.icon-button {
    padding: 12px 16px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.primary-button {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: var(--shadow);
}

.secondary-button,
.ghost-button,
.icon-button {
    background: var(--bg-panel);
    color: var(--text);
    border: 1px solid var(--line);
}

.ghost-button.danger {
    color: var(--danger);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.icon-button:hover {
    transform: translateY(-1px);
}

.table-link,
.button-link {
    background: none;
    color: var(--primary);
    padding: 0;
    font-weight: 600;
}

.button-link {
    font: inherit;
}

.muted {
    color: var(--muted);
}

.badge {
    background: rgba(15, 118, 110, 0.14);
    color: var(--primary-strong);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.18);
    color: #b45309;
}

.badge-neutral {
    background: rgba(100, 116, 139, 0.16);
    color: var(--muted);
}

.priority-low {
    background: rgba(14, 165, 233, 0.14);
    color: #0369a1;
}

.priority-medium {
    background: rgba(245, 158, 11, 0.18);
    color: #b45309;
}

.priority-high,
.priority-urgent {
    background: rgba(220, 38, 38, 0.14);
    color: #b91c1c;
}

.flash {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
}

.flash-success {
    background: rgba(22, 163, 74, 0.14);
    color: var(--success);
}

.flash-error {
    background: rgba(220, 38, 38, 0.12);
    color: var(--danger);
}

.empty-state {
    text-align: center;
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 10px;
}

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.permission-item {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.45);
}

html[data-theme="dark"] .permission-item {
    background: rgba(10, 16, 23, 0.45);
}

.auth-layout {
    min-height: calc(100vh - 140px);
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 24px;
    align-items: center;
}

.auth-layout.narrow {
    grid-template-columns: minmax(320px, 560px);
    justify-content: center;
}

.auth-panel {
    max-width: 520px;
    width: 100%;
}

.login-hero {
    min-height: 360px;
    align-items: end;
}

.clean-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.status-stack {
    display: grid;
    gap: 10px;
    margin-top: 20px;
}

.status-row,
.alert-card {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
}

.alert-card.warning {
    background: rgba(245, 158, 11, 0.12);
}

.alert-card.success {
    background: rgba(22, 163, 74, 0.12);
}

.footer {
    color: var(--muted);
}

@media (max-width: 1180px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

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

    .two-columns,
    .wide-right,
    .auth-layout,
    .hero-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .topbar,
    .footer,
    main {
        padding: 18px;
    }

    .page-intro,
    .panel,
    .hero-card {
        padding: 18px;
    }

    .form-grid,
    .permissions-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        position: static;
        flex-direction: column;
        align-items: stretch;
    }

    .topbar-right,
    .topbar-left,
    .brand-user,
    .page-intro,
    .action-row {
        justify-content: space-between;
    }
}