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

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg: #f8fafc;
    --card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-secondary: #64748b;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* --- Layout --- */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: var(--card);
    padding: 48px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.login-box p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

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

.sidebar {
    width: 220px;
    background: var(--text);
    color: #fff;
    padding: 24px 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.sidebar h2 {
    font-size: 16px;
    padding: 0 20px;
    margin-bottom: 24px;
    font-weight: 600;
}

.sidebar .nav-group {
    margin-bottom: 8px;
}

.sidebar .nav-group-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #475569;
    padding: 12px 20px 4px;
}

.sidebar a {
    display: block;
    padding: 8px 20px 8px 28px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: all .15s;
}

.sidebar a:hover, .sidebar a.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.sidebar .nav-bottom {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar .nav-bottom a {
    padding-left: 20px;
}

.main-content {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
}

.main-content h1 {
    font-size: 22px;
    margin-bottom: 24px;
}

/* --- Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}

.stat-card .label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
}

.stat-card .sub {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* --- Table --- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
}

.card h2 {
    font-size: 16px;
    margin-bottom: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

tr:hover td {
    background: #f8fafc;
}

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-used { background: #dcfce7; color: #166534; }
.badge-disabled { background: #fee2e2; color: #991b1b; }

/* --- Forms / Buttons --- */
input[type="password"],
input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 12px;
    outline: none;
    transition: border-color .15s;
}

input:focus, select:focus {
    border-color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
}

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

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

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

.btn-danger:hover { background: #dc2626; }

.btn-sm { padding: 4px 10px; font-size: 12px; }

.btn-block { width: 100%; justify-content: center; }

/* --- Toolbar --- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.toolbar select,
.toolbar input {
    width: auto;
    margin-bottom: 0;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* --- Error / Empty --- */
.error-msg {
    color: var(--danger);
    font-size: 13px;
    margin-top: 8px;
}

.empty {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* --- Modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
    background: var(--card);
    border-radius: 12px;
    padding: 28px;
    width: 90%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

/* --- Drawer (user detail side panel) --- */
.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 200;
}

.drawer-overlay.open { display: block; }

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(560px, 90vw);
    height: 100vh;
    background: var(--card);
    box-shadow: -4px 0 20px rgba(0,0,0,0.12);
    z-index: 201;
    overflow-y: auto;
    padding: 28px;
    transform: translateX(100%);
    transition: transform .2s ease;
}

.drawer-overlay.open .drawer { transform: translateX(0); }

.drawer h2 {
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.drawer .close-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary);
}

.drawer .section {
    margin-bottom: 20px;
}

.drawer .section h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.drawer .kv { display: grid; grid-template-columns: 100px 1fr; gap: 4px 12px; font-size: 13px; }
.drawer .kv dt { color: var(--text-secondary); }
.drawer .kv dd { margin: 0; }

/* --- Chat bubble --- */
.chat-list { display: flex; flex-direction: column; gap: 8px; }
.chat-bubble {
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13px;
    max-width: 90%;
    line-height: 1.5;
}
.chat-bubble.user { background: var(--primary); color: #fff; align-self: flex-end; }
.chat-bubble.ai { background: #f1f5f9; align-self: flex-start; }
.chat-bubble .time { font-size: 11px; color: #94a3b8; margin-top: 4px; }

/* --- Progress bar --- */
.quota-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}
.quota-bar .fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width .3s;
}

/* badge extras */
.badge-active { background: #dcfce7; color: #166534; }
.badge-inactive { background: #f1f5f9; color: #64748b; }

/* link style */
a.link { color: var(--primary); text-decoration: none; }
a.link:hover { text-decoration: underline; }

.modal-lg { max-width: 600px; }