:root {
    --bg: #eef2f6;
    --surface: #ffffff;
    --surface-strong: #111827;
    --text: #15202b;
    --muted: #607085;
    --line: #d4dde7;
    --primary: #0f766e;
    --primary-dark: #0b5b55;
    --warning: #d97706;
    --danger: #b91c1c;
    --success: #166534;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    --radius: 18px;
    --radius-small: 12px;
    --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.08), transparent 30%),
        linear-gradient(180deg, #f7fafc 0%, var(--bg) 100%);
    color: var(--text);
}

a {
    color: var(--primary);
    text-decoration: none;
}

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

.muted {
    color: var(--muted);
    font-size: 0.92rem;
}

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

.sidebar {
    background: linear-gradient(180deg, #102a43 0%, #0f172a 100%);
    color: #dbeafe;
    padding: 28px 22px;
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 34px;
}

.brand-mark {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #2dd4bf 0%, #0f766e 100%);
    color: #03211f;
    font-weight: 700;
    letter-spacing: 0.08em;
}

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

.nav-link {
    padding: 12px 14px;
    border-radius: 12px;
    color: #c7d2fe;
}

.nav-link:hover,
.nav-link.is-active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.page {
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: start;
    margin-bottom: 22px;
}

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

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.card,
.panel,
.setup-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card {
    padding: 20px;
    display: grid;
    gap: 8px;
}

.card strong {
    font-size: 1.6rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.74rem;
    color: var(--muted);
}

.warning-card {
    background: linear-gradient(180deg, #fff7ed 0%, #fff 100%);
}

.alert-card {
    background: linear-gradient(180deg, #fef2f2 0%, #fff 100%);
}

.panel {
    padding: 20px;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 20px;
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.form-grid .span-2 {
    grid-column: span 2;
}

label {
    display: grid;
    gap: 8px;
    font-size: 0.92rem;
}

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

input,
select,
textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(15, 118, 110, 0.5);
    box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.12);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 28px;
}

.checkbox input {
    width: auto;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 12px;
    padding: 11px 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    cursor: pointer;
    font-weight: 600;
}

.button-secondary {
    background: #e2e8f0;
    color: #0f172a;
}

.button-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.divider {
    height: 1px;
    background: var(--line);
}

.meta-list {
    display: grid;
    gap: 12px;
    margin: 0;
}

.meta-list dt {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.meta-list dd {
    margin: 0;
}

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

.table th,
.table td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

.table th {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.status {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.status-ok,
.status-success {
    background: #dcfce7;
    color: var(--success);
}

.status-warning {
    background: #ffedd5;
    color: var(--warning);
}

.status-error {
    background: #fee2e2;
    color: var(--danger);
}

.status-info {
    background: #dbeafe;
    color: #1d4ed8;
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
}

.alert-success {
    background: #dcfce7;
    color: var(--success);
}

.alert-error {
    background: #fee2e2;
    color: var(--danger);
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding-bottom: 0;
    }
}

@media (max-width: 640px) {
    .page {
        padding: 18px;
    }

    .topbar {
        flex-direction: column;
    }

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

    .form-grid .span-2 {
        grid-column: span 1;
    }
}

.divider {
    height: 1px;
    background: var(--line);
    margin: 8px 0 16px;
}

.filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: end;
}

.filters label {
    min-width: 140px;
}

.setup-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.setup-card {
    width: min(920px, 100%);
    padding: 28px;
}

.setup-head {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 24px;
}

code {
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: 0.88rem;
}

@media (max-width: 960px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding-bottom: 14px;
    }

    .page {
        padding: 18px;
    }
}

@media (max-width: 720px) {
    .form-grid,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .form-grid .span-2 {
        grid-column: auto;
    }

    .topbar {
        flex-direction: column;
    }
}