/* ── AI 2.0 SuperAdmin — Dark theme (amber accent) ── */

:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-hover: #22253a;
    --border: #2a2d3a;
    --text: #e4e4e7;
    --text-muted: #71717a;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,.3);
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
}

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */

.container { max-width: 640px; margin: 0 auto; padding: 0 1rem; }
.container-wide { max-width: 1100px; }

.loading {
    display: flex; align-items: center; justify-content: center;
    min-height: 60vh; color: var(--text-muted);
}

/* ── Header ── */

.app-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: 49px;
}

.app-header .container {
    max-width: 1100px;
    display: flex; align-items: center; justify-content: space-between;
    height: 100%;
}

.header-brand {
    display: flex; align-items: center; gap: 0.5rem;
}

.header-brand h1 {
    font-size: 1rem; font-weight: 600; letter-spacing: -0.02em;
}

.header-badge {
    font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
    background: var(--accent); color: #000;
    padding: 2px 6px; border-radius: 4px;
    vertical-align: middle; margin-left: 4px;
}

.header-logo {
    width: 28px; height: 28px; border-radius: 6px;
    background: var(--accent); color: #000;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.7rem;
}

.header-auth { display: flex; align-items: center; gap: 0.5rem; }

/* ── Typography ── */

h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 1.15rem; font-weight: 600; }
h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-muted); }

.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.8rem; }
.text-success { color: var(--success); }
.text-error { color: var(--error); }

code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85em;
}

/* ── Buttons ── */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    padding: 0.5rem 1rem; border-radius: var(--radius-sm);
    font-size: 0.875rem; font-weight: 500;
    border: none; cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--accent); color: #000;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

/* ── Admin page ── */

.admin-page { padding: 1.5rem 0 3rem; }
.admin-header { margin-bottom: 1.5rem; }
.admin-header p { margin-top: 0.25rem; }
.admin-loading { padding: 3rem; text-align: center; color: var(--text-muted); }

.admin-tabs {
    display: flex; gap: 0; border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.admin-tab {
    padding: 0.6rem 1.2rem; border: none; background: transparent;
    color: var(--text-muted); font-size: 0.9rem; cursor: pointer;
    border-bottom: 2px solid transparent; transition: all var(--transition);
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.admin-section { margin-bottom: 2rem; }

.admin-section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem;
}

/* ── Table ── */

.admin-table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }

.admin-table {
    width: 100%; border-collapse: collapse;
    font-size: 0.875rem;
}

.admin-table th {
    text-align: left; padding: 0.7rem 1rem;
    background: var(--surface); color: var(--text-muted);
    font-weight: 500; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}

.admin-table td {
    padding: 0.7rem 1rem; border-bottom: 1px solid var(--border);
}

.admin-table tbody tr:hover { background: var(--surface-hover); }
.admin-table tbody tr.row-disabled { opacity: 0.5; }

/* ── Status badges ── */

.status-badge {
    display: inline-block; padding: 2px 8px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600;
}

.status-active { background: rgba(34,197,94,0.15); color: var(--success); }
.status-inactive { background: rgba(239,68,68,0.15); color: var(--error); }

/* ── License cards ── */

.license-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.license-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}

.license-card.license-default { border-color: var(--accent); }
.license-card.license-inactive { opacity: 0.6; }

.license-card-header {
    padding: 1rem; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}

.license-card-body { padding: 1rem; }
.license-card-footer {
    padding: 0.75rem 1rem; border-top: 1px solid var(--border);
    display: flex; gap: 0.5rem;
}

.default-badge {
    font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
    background: var(--accent); color: #000;
    padding: 2px 6px; border-radius: 4px;
}

.license-section { margin-bottom: 0.75rem; }
.license-section-label {
    display: block; font-size: 0.75rem; font-weight: 600;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em;
    margin-bottom: 0.3rem;
}

.license-item {
    display: flex; justify-content: space-between; padding: 0.2rem 0;
    font-size: 0.85rem;
}

.license-edit-row {
    display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.5rem;
}

/* ── Billing ── */

.billing-summary {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem; margin-top: 1rem;
}
.billing-stat {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 1.25rem 1rem;
    display: flex; flex-direction: column; align-items: center; text-align: center;
}
.billing-stat-value { font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.billing-stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.4rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* ── Tenant detail ── */

.tenant-header-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.5rem;
}

.tenant-header-top {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 1rem;
}

.tenant-details {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem; margin-bottom: 1rem;
}

.detail-item { display: flex; flex-direction: column; }
.detail-label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

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

/* ── Forms ── */

.form-label {
    display: block; font-size: 0.8rem; font-weight: 600;
    color: var(--text-muted); margin-bottom: 0.3rem;
}

.form-input, .form-select {
    width: 100%; padding: 0.5rem 0.75rem;
    background: var(--bg); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--radius-xs);
    font-size: 0.875rem; transition: border-color var(--transition);
}
.form-input:focus, .form-select:focus { outline: none; border-color: var(--accent); }
.form-input-sm { width: auto; min-width: 120px; }
.form-select-sm { width: auto; min-width: 120px; padding: 0.25rem 0.5rem; font-size: 0.8rem; }

.toggle-label {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.85rem; cursor: pointer; white-space: nowrap;
}

/* ── Modals ── */

.modal-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    padding: 1rem;
}

.modal-content {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.5rem;
    width: 100%; max-width: 440px; max-height: 90vh; overflow-y: auto;
}

.modal-wide { max-width: 600px; }
.modal-xl { max-width: min(960px, 90vw); }

.modal-actions {
    display: flex; justify-content: flex-end; gap: 0.5rem;
    margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border);
}

/* ── API key display ── */

.api-key-result {
    margin-top: 1.5rem; padding: 1rem;
    background: rgba(245,158,11,0.1); border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
}

.api-key-display {
    display: block; margin-top: 0.5rem; padding: 0.5rem;
    background: var(--bg); border-radius: var(--radius-xs);
    font-size: 0.8rem; word-break: break-all;
    color: var(--accent);
}

/* ── Messages ── */

.message {
    padding: 0.75rem 1rem; border-radius: var(--radius-sm);
    font-size: 0.875rem; margin-bottom: 1rem;
}

.message-error {
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
    color: var(--error);
}

/* ── Login ── */

.login-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 1rem;
}

.login-card {
    text-align: center; max-width: 360px;
}

.login-card .login-logo {
    width: 64px; height: 64px; border-radius: 16px;
    background: var(--accent); color: #000;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.5rem; margin-bottom: 1rem;
}

.login-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.login-subtitle { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.login-btn { width: 100%; padding: 0.75rem; font-size: 1rem; }

/* ── Responsive ── */

@media (max-width: 640px) {
    .tenant-details { grid-template-columns: 1fr; }
    .license-grid { grid-template-columns: 1fr; }
    .admin-table { font-size: 0.8rem; }
}