:root {
    --sky: #0284c7;
    --sky-dark: #0369a1;
    --ink: #102033;
    --muted: #64748b;
    --line: #dbeafe;
    --bg: #f8fafc;
    --ok: #059669;
    --danger: #dc2626;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: linear-gradient(135deg, #e0f2fe, #f8fafc 48%, #ffffff);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
}

button,
input,
select {
    font: inherit;
}

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

.login-card,
.panel {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--line);
    box-shadow: 0 18px 60px rgba(2, 132, 199, 0.12);
}

.login-card {
    width: min(100%, 430px);
    padding: 32px;
    border-radius: 18px;
    text-align: center;
}

.login-card h1,
.topbar h1,
.panel h2 {
    margin: 0;
}

.login-card p,
.topbar p,
.hint {
    color: var(--muted);
}

.logo-link {
    display: inline-flex;
    justify-content: center;
    margin-bottom: 14px;
}

.logo-link img {
    width: 78px;
    height: 78px;
    border-radius: 18px;
    object-fit: contain;
}

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

label {
    display: grid;
    gap: 7px;
    color: #475569;
    font-size: 12px;
    font-weight: 800;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

input,
select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 12px 14px;
    background: white;
    color: var(--ink);
}

input:focus,
select:focus {
    outline: 2px solid rgba(2, 132, 199, 0.22);
    border-color: var(--sky);
}

.primary,
.secondary {
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    cursor: pointer;
    font-weight: 850;
}

.primary {
    background: var(--sky);
}

.primary:hover {
    background: var(--sky-dark);
}

.secondary {
    background: #334155;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
}

.sidebar {
    background: white;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px 18px;
}

.logo-row {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sky);
    font-size: 16px;
    text-decoration: none;
}

.logo-row img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    object-fit: contain;
}

.logo-row span {
    display: grid;
    gap: 2px;
}

.logo-row small {
    color: var(--muted);
    font-size: 11px;
    font-weight: 750;
}

.pill {
    display: inline-block;
    margin-top: 16px;
    padding: 6px 9px;
    border-radius: 999px;
    background: #e0f2fe;
    color: var(--sky-dark);
    font-size: 11px;
    font-weight: 850;
    text-transform: uppercase;
}

nav {
    display: grid;
    gap: 8px;
    margin-top: 32px;
}

nav a {
    padding: 11px 12px;
    border-radius: 10px;
    text-decoration: none;
    color: #475569;
    font-weight: 750;
}

nav a.active,
nav a:hover {
    background: var(--sky);
    color: white;
}

.user-box {
    border-top: 1px solid #e2e8f0;
    padding-top: 16px;
    display: grid;
    gap: 6px;
    color: #334155;
}

.user-box a {
    color: var(--danger);
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.content {
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
}

.status-dot {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--ok);
    background: #dcfce7;
    font-weight: 850;
    font-size: 13px;
}

.alert {
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 16px;
    font-weight: 750;
}

.alert.ok {
    color: #047857;
    background: #d1fae5;
}

.alert.error {
    color: #b91c1c;
    background: #fee2e2;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.metrics article,
.panel {
    border-radius: 16px;
    padding: 18px;
}

.metrics article {
    background: white;
    border: 1px solid var(--line);
}

.metrics span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 850;
}

.metrics strong {
    display: block;
    margin-top: 8px;
    font-size: 22px;
}

.grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    gap: 18px;
    margin-bottom: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.form-grid button,
.check {
    align-self: end;
}

.check {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
}

.check input {
    width: auto;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

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

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

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

    .sidebar {
        position: static;
    }

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