:root {
    --bg: #0a0a0a;
    --bg-card: #141414;
    --bg-input: #1a1a1a;
    --border: #2a2a2a;
    --text: #f0f0f0;
    --text-muted: #888;
    --accent: #f5c518;
    --accent-hover: #e0b310;
    --danger: #e74c3c;
    --success: #2ecc71;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* ── Layout ── */

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 2rem 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 10;
}

.sidebar-logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 0 1.5rem;
    margin-bottom: 2.5rem;
}

.sidebar-logo span {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.25em;
    margin-top: 0.25rem;
    font-weight: 400;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--text);
    background: rgba(245, 197, 24, 0.05);
    border-left-color: var(--accent);
}

.sidebar-bottom {
    position: absolute;
    bottom: 1.5rem;
    left: 0;
    right: 0;
    padding: 0 1.5rem;
}

.sidebar-bottom a {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.main {
    margin-left: 240px;
    flex: 1;
    padding: 2.5rem 3rem;
    max-width: 1200px;
}

/* ── Typography ── */

h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* ── Cards / Stats ── */

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.stat-card .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-card .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* ── Tables ── */

.table-wrap {
    overflow-x: auto;
    margin-bottom: 2rem;
}

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

th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

tr:hover td {
    background: rgba(245, 197, 24, 0.03);
}

/* ── Forms ── */

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

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

.form-group {
    margin-bottom: 1rem;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

input, textarea, select {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--text);
    color: var(--text);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
}

.actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ── Filter bar ── */

.filter-bar {
    display: flex;
    gap: 1rem;
    align-items: end;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-bar .form-group {
    margin-bottom: 0;
}

.filter-bar input {
    width: 120px;
}

/* ── Login page ── */

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-card h1 {
    font-size: 1.3rem;
    margin-bottom: 0.25rem;
}

.login-card .subtitle {
    margin-bottom: 2rem;
}

.login-card .form-group {
    text-align: left;
}

.login-card .btn {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
}

.error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.success {
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* ── Badge ── */

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 4px;
    background: rgba(245, 197, 24, 0.15);
    color: var(--accent);
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    .main {
        margin-left: 0;
        padding: 1.5rem;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}