:root {
    --bg: #0b1020;
    --panel: rgba(19, 28, 52, 0.84);
    --panel-solid: #121a33;
    --text: #e8ecff;
    --muted: #93a2d4;
    --primary: #6f7dfc;
    --primary-2: #38bdf8;
    --success: #22c55e;
    --danger: #ef4444;
    --border: rgba(151, 170, 255, 0.2);
}

* {
    box-sizing: border-box;
    font-family: Inter, Segoe UI, sans-serif;
}

body {
    margin: 0;
    color: var(--text);
    background: radial-gradient(circle at top, #1a2550 0%, var(--bg) 55%);
}

.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: rgba(7, 11, 24, 0.75);
    backdrop-filter: blur(8px);
    border-right: 1px solid var(--border);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.brand {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.4px;
}

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

.nav a,
.logout {
    text-decoration: none;
    color: var(--text);
    padding: 10px 12px;
    border-radius: 10px;
    transition: 0.2s ease;
}

.nav a:hover,
.logout:hover {
    background: rgba(111, 125, 252, 0.25);
}

.logout {
    margin-top: auto;
    border: 1px solid var(--border);
    text-align: center;
}

.content {
    padding: 26px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 18px;
}

.topbar h1 {
    margin: 0;
}

.topbar p {
    margin: 6px 0 0;
    color: var(--muted);
}

.user-chip {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    border-radius: 999px;
    padding: 8px 14px;
    font-weight: 600;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.kpi,
.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
}

.kpi span {
    color: var(--muted);
    display: block;
    margin-bottom: 8px;
}

.kpi strong {
    font-size: 1.8rem;
}

.panel h2 {
    margin-top: 0;
}

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

th,
td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--muted);
    font-weight: 600;
}

.inline-form {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

input,
select,
button {
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(8, 14, 29, 0.7);
    color: var(--text);
    padding: 10px 12px;
}

button {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    border: none;
    font-weight: 700;
    cursor: pointer;
}

.badge {
    border: 1px solid rgba(56, 189, 248, 0.6);
    color: #7dd3fc;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.85rem;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.login-card {
    width: min(420px, 92vw);
    background: var(--panel-solid);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px;
}

.login-card h1 {
    margin-bottom: 6px;
}

.login-card p {
    color: var(--muted);
    margin-bottom: 16px;
}

.login-card form {
    display: grid;
    gap: 10px;
}

.alert {
    background: rgba(239, 68, 68, 0.16);
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 12px;
}

.success-alert {
    background: rgba(34, 197, 94, 0.16);
    border: 1px solid rgba(34, 197, 94, 0.35);
}

.panel code {
    color: #67e8f9;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 8px;
}

.clean-list {
    list-style: none;
    padding-left: 0;
    margin: 0 0 12px;
}

.clean-list li {
    margin-bottom: 8px;
}

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

    .sidebar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }

    .nav {
        flex-direction: row;
    }

    .logout {
        margin-top: 0;
    }

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