:root {
    --bg: #0e1525;
    --surface: rgba(15, 23, 42, 0.78);
    --surface-strong: rgba(15, 23, 42, 0.92);
    --surface-soft: rgba(30, 41, 59, 0.72);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --line: rgba(148, 163, 184, 0.18);
    --accent: #f59e0b;
    --accent-strong: #fb7185;
    --success: #34d399;
    --danger: #f87171;
    --shadow: 0 24px 80px rgba(15, 23, 42, 0.35);
    --radius: 24px;
    --radius-sm: 14px;
    --font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;
    --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background:
        radial-gradient(circle at top left, rgba(245, 158, 11, 0.18), transparent 28%),
        radial-gradient(circle at right, rgba(251, 113, 133, 0.14), transparent 24%),
        linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: var(--font-sans);
    background: transparent;
}

a {
    color: inherit;
}

.layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    padding: 32px 24px;
    border-right: 1px solid var(--line);
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(18px);
}

.brand {
    margin-bottom: 32px;
}

.brand__eyebrow {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #1e293b;
    background: linear-gradient(120deg, #f59e0b, #fde68a);
}

.brand h1 {
    margin: 16px 0 8px;
    font-size: 28px;
    line-height: 1.1;
}

.brand p {
    margin: 0;
    color: var(--muted);
}

.nav {
    display: grid;
    gap: 10px;
}

.nav a {
    display: block;
    padding: 14px 16px;
    border: 1px solid transparent;
    border-radius: 16px;
    text-decoration: none;
    color: var(--muted);
    transition: 180ms ease;
}

.nav a:hover,
.nav a.is-active {
    color: var(--text);
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.08);
}

.sidebar__foot {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.content {
    padding: 40px;
}

.content__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.content__header h2 {
    margin: 0;
    font-size: 34px;
}

.content__header p {
    margin: 8px 0 0;
    color: var(--muted);
}

.stack {
    display: grid;
    gap: 24px;
}

.panel {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.panel--hero {
    background:
        linear-gradient(135deg, rgba(245, 158, 11, 0.14), rgba(251, 113, 133, 0.12)),
        var(--surface-strong);
}

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

.grid--cards {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.metric {
    padding: 20px;
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.12);
}

.metric span {
    display: block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.metric strong {
    display: block;
    margin-top: 10px;
    font-size: 34px;
}

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

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

.table th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

.button,
button,
input[type="submit"] {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    color: #0f172a;
    background: linear-gradient(135deg, #f59e0b, #fb7185);
    cursor: pointer;
}

.button--ghost {
    color: var(--text);
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.22);
}

.button--danger {
    color: white;
    background: linear-gradient(135deg, #ef4444, #f87171);
}

.form-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.field,
.field-wide {
    display: grid;
    gap: 8px;
}

.field-wide {
    grid-column: 1 / -1;
}

label {
    font-size: 14px;
    color: var(--muted);
}

input,
textarea,
select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    color: var(--text);
    background: rgba(15, 23, 42, 0.84);
    font: inherit;
}

textarea {
    min-height: 140px;
    resize: vertical;
}

.help {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.flash-group {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.flash {
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
}

.flash--success {
    border-color: rgba(52, 211, 153, 0.3);
    background: rgba(52, 211, 153, 0.12);
}

.flash--error {
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.12);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    background: rgba(148, 163, 184, 0.08);
}

.badge--success {
    color: var(--success);
}

.list {
    display: grid;
    gap: 12px;
}

.list-item {
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(15, 23, 42, 0.66);
}

.secret-box {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(2, 6, 23, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.18);
    font-family: var(--font-mono);
    white-space: pre-wrap;
    word-break: break-word;
}

.empty-state {
    padding: 24px;
    border: 1px dashed rgba(148, 163, 184, 0.3);
    border-radius: var(--radius-sm);
    color: var(--muted);
    text-align: center;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px;
}

.auth-card {
    width: min(520px, 100%);
    padding: 32px;
    border-radius: 28px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.auth-card h1 {
    margin-top: 0;
    font-size: 32px;
}

.auth-card p {
    color: var(--muted);
}

.qr-card {
    display: grid;
    gap: 16px;
    justify-items: center;
}

.qr-card img {
    width: 220px;
    height: 220px;
    padding: 16px;
    border-radius: 24px;
    background: white;
}

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

@media (max-width: 980px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .content {
        padding: 24px;
    }
}

@media (max-width: 640px) {
    .content__header {
        flex-direction: column;
    }

    .auth-card {
        padding: 24px;
    }
}