/* ── Theme Variables ── */
:root {
    --transition: 0.2s ease;
    --radius: 6px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
}

/* ── Light Theme ── */
[data-theme="light"] {
    --bg: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f5f5;
    --border: #e5e5e5;
    --text: #171717;
    --text-muted: #737373;
    --text-heading: #0a0a0a;
    --primary: #171717;
    --primary-hover: #404040;
    --primary-text: #ffffff;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --info: #3b82f6;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.08);
    --focus-ring: rgba(23, 23, 23, 0.15);
    --overlay: rgba(0,0,0,0.4);
    --input-bg: #ffffff;
    --input-border: #d4d4d4;
    --scrollbar-thumb: #d4d4d4;
    --icon-color: #525252;
    --nav-bg: rgba(255,255,255,0.85);
}

/* ── Dark Theme ── */
[data-theme="dark"] {
    --bg: #0a0a0a;
    --bg-secondary: #171717;
    --bg-tertiary: #262626;
    --border: #262626;
    --text: #f5f5f5;
    --text-muted: #737373;
    --text-heading: #fafafa;
    --primary: #f5f5f5;
    --primary-hover: #d4d4d4;
    --primary-text: #0a0a0a;
    --success: #4ade80;
    --warning: #facc15;
    --danger: #f87171;
    --info: #60a5fa;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
    --focus-ring: rgba(245, 245, 245, 0.1);
    --overlay: rgba(0,0,0,0.6);
    --input-bg: #171717;
    --input-border: #404040;
    --scrollbar-thumb: #404040;
    --icon-color: #a3a3a3;
    --nav-bg: rgba(23,23,23,0.85);
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
}

a { color: var(--info); text-decoration: none; }
a:hover { opacity: 0.8; text-decoration: underline; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Navbar ── */
.navbar {
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background var(--transition), border-color var(--transition);
}
.nav-brand a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    letter-spacing: -0.01em;
}
.nav-brand a:hover { text-decoration: none; opacity: 0.8; }
.nav-brand svg {
    width: 22px;
    height: 22px;
    color: var(--text-heading);
}
.nav-links {
    display: flex;
    gap: 4px;
    margin-left: 32px;
}
.nav-links a {
    padding: 6px 12px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
    color: var(--text);
    background: var(--bg-tertiary);
    text-decoration: none;
}
.nav-links a.active {
    color: var(--text-heading);
    background: var(--bg-tertiary);
}
.nav-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 14px;
}

/* ── Theme Toggle ── */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--icon-color);
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text);
}
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    line-height: 1.4;
}
.btn:hover { background: var(--bg-tertiary); text-decoration: none; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-text);
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--primary-text);
}
.btn-secondary { background: var(--bg-tertiary); }
.btn-warning {
    background: rgba(234,179,8,0.15);
    border-color: var(--warning);
    color: var(--warning);
}
.btn-warning:hover { background: rgba(234,179,8,0.25); color: var(--warning); }
.btn-danger {
    background: rgba(239,68,68,0.15);
    border-color: var(--danger);
    color: var(--danger);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); color: var(--danger); }

/* ── Page Header ── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-heading);
    letter-spacing: -0.02em;
}

/* ── Cards ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
    border-color: var(--text-muted);
    box-shadow: var(--shadow);
}
.card h3 { color: var(--text-heading); margin-bottom: 4px; font-size: 16px; font-weight: 600; }
.card-meta { margin-top: 12px; color: var(--text-muted); font-size: 13px; }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: border-color var(--transition);
}
.stat-card h3 { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; font-weight: 500; }
.stat-value { font-size: 32px; font-weight: 600; color: var(--text-heading); letter-spacing: -0.02em; }

/* ── Tables ── */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.table th, .table td {
    padding: 10px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.table th {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}
.table tr { transition: background var(--transition); }
.table tbody tr:hover { background: var(--bg-tertiary); }

/* ── Forms ── */
.form { max-width: 560px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-heading);
}
.form-group small { display: block; margin-top: 4px; color: var(--text-muted); font-size: 13px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--text-muted);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ── Detail List ── */
.detail-list { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; }
.detail-list dt { color: var(--text-muted); font-size: 13px; }
.detail-list dd { color: var(--text); }

/* ── Status Badge ── */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.status-running { background: rgba(34,197,94,0.12); color: var(--success); }
.status-stopped { background: rgba(234,179,8,0.12); color: var(--warning); }
.status-error, .status-terminated { background: rgba(239,68,68,0.12); color: var(--danger); }
.status-provisioning { background: rgba(59,130,246,0.12); color: var(--info); }

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.tab {
    padding: 10px 20px;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition), border-color var(--transition);
}
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active { color: var(--text-heading); border-bottom-color: var(--text-heading); }

/* ── Tab Panels ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Console ── */
.console-container { position: relative; }
.console-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: 8px;
}
.console-iframe {
    width: 100%;
    height: 70vh;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
}

/* ── Flash Messages ── */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    border: 1px solid;
    font-size: 14px;
}
.flash-success { background: rgba(34,197,94,0.08); border-color: var(--success); color: var(--success); }
.flash-error { background: rgba(239,68,68,0.08); border-color: var(--danger); color: var(--danger); }
.flash-info { background: rgba(59,130,246,0.08); border-color: var(--info); color: var(--info); }

/* ── Modal ── */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    min-width: 400px;
    box-shadow: var(--shadow-lg);
}

/* ── Login ── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}
.login-container {
    text-align: center;
    padding: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 100%;
}
.login-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}
.login-brand svg {
    width: 36px;
    height: 36px;
    color: var(--text-heading);
}
.login-container h1 { font-size: 28px; color: var(--text-heading); letter-spacing: -0.02em; }
.login-container p { color: var(--text-muted); margin-bottom: 32px; font-size: 15px; }
.login-container .btn-primary { width: 100%; justify-content: center; padding: 12px 24px; font-size: 15px; }
.login-footer {
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 13px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { opacity: 0.8; }

/* ── Misc ── */
.empty-state { text-align: center; color: var(--text-muted); padding: 40px; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
section { margin-bottom: 32px; }
section h2 { color: var(--text-heading); margin-bottom: 16px; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.admin-nav { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.actions { display: flex; gap: 8px; }
.quick-actions { display: flex; gap: 12px; }
code, .mono { font-family: var(--font-mono); font-size: 13px; }

/* ── Provision Progress ── */
.provision-progress {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}
.provision-progress h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 16px;
}
.progress-steps {
    display: flex;
    gap: 8px;
}
.step {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.step .step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}
.step .step-label {
    font-size: 13px;
    color: var(--text-muted);
}
.step.active .step-number {
    background: var(--success);
    color: #fff;
}
.step.active .step-label {
    color: var(--text);
}
.step.current {
    border-color: var(--info);
    background: rgba(59,130,246,0.06);
}
.step.current .step-number {
    background: var(--info);
    color: #fff;
    animation: pulse-step 1.5s ease-in-out infinite;
}
.step.current .step-label {
    color: var(--info);
    font-weight: 500;
}
@keyframes pulse-step {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .container { padding: 16px; }
    .navbar { padding: 0 16px; }
    .nav-links { margin-left: 16px; gap: 2px; }
    .card-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .detail-list { grid-template-columns: 1fr; }
    .modal-content { min-width: auto; margin: 16px; }
    .progress-steps { flex-direction: column; }
}