* {
    box-sizing: border-box;
}

:root {
    --bg: #0f172a;
    --panel: #111827;
    --panel-soft: #1f2937;
    --line: #243047;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --accent-2: #22c55e;
    --danger: #ef4444;
    --warn: #f59e0b;
    --light: #f8fafc;
    --dark-text: #0f172a;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f1f5f9;
    color: #111827;
}

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

.login-card {
    width: min(460px, calc(100vw - 32px));
    background: #ffffff;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.35);
}

.brand {
    font-size: 28px;
    font-weight: 700;
}

.brand-login {
    color: #0f172a;
    margin-bottom: 6px;
}

.brand-sub,
.login-subtitle,
.muted {
    color: var(--muted);
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    background: linear-gradient(180deg, var(--bg) 0%, var(--panel) 100%);
    color: var(--text);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    color: #cbd5e1;
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 12px;
    transition: 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(56, 189, 248, 0.16);
    color: #fff;
}

.user-box {
    margin-top: auto;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 16px;
}

.user-box__name {
    font-weight: 700;
    margin-bottom: 4px;
}

.user-box__meta {
    color: var(--muted);
    margin-bottom: 12px;
    font-size: 13px;
}

.main {
    padding: 28px;
}

.page-header {
    margin-bottom: 20px;
}

.page-header h1 {
    margin: 0;
    font-size: 32px;
}

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

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

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

.card {
    background: #fff;
    border-radius: 18px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

.card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px 0;
}

.card__head h2 {
    margin: 0;
    font-size: 20px;
}

.card__body {
    padding: 22px;
}

.stat {
    font-size: 40px;
    font-weight: 700;
    color: var(--dark-text);
}

.stat-label {
    color: var(--muted);
    margin-top: 8px;
}

.actions,
.inline-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 12px;
    padding: 11px 16px;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #082f49;
}

.btn-success {
    background: #22c55e;
    color: #052e16;
}

.btn-danger {
    background: #fee2e2;
    color: #991b1b;
}

.btn-light {
    background: #e2e8f0;
    color: #0f172a;
}

.btn-sm {
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13px;
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border-color: #86efac;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

.alert-info {
    background: #e0f2fe;
    color: #075985;
    border-color: #7dd3fc;
}

form {
    display: grid;
    gap: 18px;
}

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

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

.field label {
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 12px 14px;
    font: inherit;
    background: #fff;
}

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

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

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

th,
td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.code,
pre {
    font-family: Consolas, 'Courier New', monospace;
}

pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 16px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-default {
    background: #e2e8f0;
    color: #0f172a;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.repeat-list {
    display: grid;
    gap: 10px;
}

.repeat-row,
.preference-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
}

.preference-grid {
    display: grid;
    gap: 10px;
}

.preference-row--header,
.preference-row--body {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr 2fr auto auto;
    gap: 10px;
    align-items: center;
}

.quick-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.kv {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

.kv strong {
    color: #334155;
}

@media (max-width: 1100px) {
    .app-shell,
    .grid-3,
    .grid-2,
    .form-grid,
    .preference-row--body,
    .preference-row--header {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: sticky;
        top: 0;
    }
}

@media (max-width: 800px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .main {
        padding: 18px;
    }
}