/* ═══════════════════════════════════════════════════════════════════════════
   CORE Command Center – Admin CSS
   Dark theme, premium design
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a2236;
    --bg-input: #0f172a;
    --border: #1e3a5f;
    --border-active: #3b82f6;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

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

/* ─── Login ─────────────────────────────────────────────────────────────── */

#login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at 50% 0%, #1e3a5f33, transparent 60%);
}

.login-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 1.35rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border 0.2s;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.totp-input {
    text-align: center !important;
    font-size: 1.8rem !important;
    letter-spacing: 0.4rem !important;
    font-family: 'Courier New', monospace !important;
}

.totp-secret {
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-family: monospace;
    font-size: 1.1rem;
    letter-spacing: 2px;
    color: var(--accent);
    margin: 1rem 0;
    word-break: break-all;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

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

.btn-success {
    background: var(--success);
    color: white;
}

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

.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
    width: auto;
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: none;
    margin-top: 0.75rem;
}
.btn-ghost:hover { color: var(--text-primary); }

.error-msg {
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.85rem;
}

.setup-info {
    background: var(--bg-input);
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.setup-info h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.setup-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.setup-info a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.82rem;
}

/* ─── Dashboard ────────────────────────────────────────────────────────── */

/* #dashboard je skryt inline stylem v HTML, JS ho odkrývá */

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header h1 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tabs {
    display: flex;
    gap: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    user-select: none;
}

.tab:hover { color: var(--text-primary); }

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.content { padding: 1.5rem 2rem; max-width: 1200px; }

.panel { display: none !important; }
.panel.active { display: block !important; }

/* ─── Cards ────────────────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.config-row label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.config-row input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
}
.config-row input:focus { border-color: var(--accent); }

/* ─── Job List ─────────────────────────────────────────────────────────── */

.job-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}
.job-item:last-child { border-bottom: none; }

.job-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.job-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ─── Tenant List ──────────────────────────────────────────────────────── */

.tenant-item {
    display: grid;
    grid-template-columns: 1.5fr 100px 70px 100px 100px 80px;
    gap: 1rem;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
    transition: background 0.15s;
}

.tenant-item:hover {
    background: rgba(59,130,246,0.04);
}

.status-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-running {
    background: rgba(16,185,129,0.15);
    color: var(--success);
}

.status-stopped {
    background: rgba(239,68,68,0.15);
    color: var(--danger);
}

/* ─── Modal Overlay ────────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; } }

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: 0 12px 48px rgba(0,0,0,0.6);
    min-width: 360px;
}

/* ─── Billing Table ────────────────────────────────────────────────────── */

.billing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.billing-table th {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.78rem;
}

.billing-table td {
    padding: 0.45rem 0.6rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-primary);
}

.billing-table tbody tr:hover {
    background: rgba(59,130,246,0.05);
}

/* ─── Config Card (modal) ──────────────────────────────────────────────── */

.config-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
}

.config-card label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    font-weight: 600;
    text-transform: uppercase;
}

.config-card input,
.config-card select {
    width: 100%;
    padding: 0.45rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

.config-card input:focus,
.config-card select:focus {
    border-color: var(--accent);
}

/* ─── Log Viewer ───────────────────────────────────────────────────────── */

.log-viewer {
    background: #050810;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    max-height: 500px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.78rem;
    line-height: 1.5;
}

.log-line {
    display: flex;
    gap: 0.75rem;
}

.log-ts {
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 90px;
}

.log-level-INFO { color: var(--accent); }
.log-level-WARNING { color: var(--warning); }
.log-level-ERROR { color: var(--danger); }

.log-msg { color: var(--text-secondary); word-break: break-word; }

/* ─── Toast ────────────────────────────────────────────────────────────── */

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.5s forwards;
    z-index: 1000;
    box-shadow: var(--shadow);
}
.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }

@keyframes slideIn { from { transform: translateX(100px); opacity: 0; } }
@keyframes fadeOut { to { opacity: 0; transform: translateY(10px); } }

/* ─── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .content { padding: 1rem; }
    .config-row { grid-template-columns: 1fr; }
    .tenant-item { grid-template-columns: 1fr 1fr; }
}