:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #21242f;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;
    --accent: #4f8ff7;
    --accent-hover: #6ba1f9;
    --border: #2d3140;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --radius: 8px;
    --radius-lg: 12px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Layout */
.app-layout { display: flex; min-height: 100vh; }
.app-sidebar {
    width: 240px; background: var(--bg-secondary); border-right: 1px solid var(--border);
    padding: 20px 16px; display: flex; flex-direction: column; position: fixed;
    top: 0; left: 0; bottom: 0; z-index: 10;
}
.app-main { margin-left: 240px; flex: 1; padding: 24px 32px; }

/* Sidebar */
.sidebar-logo { font-size: 1.2rem; font-weight: 700; color: var(--accent); margin-bottom: 32px; letter-spacing: -0.02em; }
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar-link {
    display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: var(--radius);
    color: var(--text-secondary); text-decoration: none; font-size: 0.875rem; font-weight: 500;
    transition: all 0.15s ease;
}
.sidebar-link:hover { background: var(--bg-card); color: var(--text-primary); }
.sidebar-link.active { background: rgba(79,143,247,0.12); color: var(--accent); }
.sidebar-user {
    padding: 12px; border-top: 1px solid var(--border); margin-top: auto;
    display: flex; align-items: center; justify-content: space-between;
}
.sidebar-user-email { font-size: 0.75rem; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 20px; transition: border-color 0.15s ease; text-decoration: none; color: inherit;
}
.card:hover { border-color: var(--accent); }
.card-title { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.card-desc { font-size: 0.85rem; color: var(--text-secondary); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-input {
    width: 100%; padding: 10px 14px; background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-primary); font-size: 0.9rem; font-family: var(--font);
    outline: none; transition: border-color 0.15s ease;
}
.form-input:focus { border-color: var(--accent); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius); font-size: 0.875rem; font-weight: 600;
    font-family: var(--font); cursor: pointer; border: none; transition: all 0.15s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text-primary); border-color: var(--text-muted); }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th { font-size: 0.75rem; text-transform: uppercase; color: var(--text-muted); text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.875rem; }

/* Login page */
.login-container {
    display: flex; align-items: center; justify-content: center; min-height: 100vh;
    background: var(--bg-primary);
}
.login-card {
    background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 40px; width: 100%; max-width: 400px;
}
.login-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.login-subtitle { color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 28px; }

/* Alerts */
.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 0.85rem; margin-bottom: 16px; }
.alert-error { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.alert-success { background: rgba(34,197,94,0.1); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }

/* Page header */
.page-header { margin-bottom: 24px; }
.page-title { font-size: 1.5rem; font-weight: 700; }
.page-subtitle { font-size: 0.875rem; color: var(--text-secondary); margin-top: 4px; }

/* Badge */
.badge { display: inline-flex; padding: 2px 8px; border-radius: 999px; font-size: 0.7rem; font-weight: 600; }
.badge-admin { background: rgba(79,143,247,0.15); color: var(--accent); }
.badge-user { background: rgba(159,166,173,0.15); color: var(--text-secondary); }
.badge-active { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-inactive { background: rgba(239,68,68,0.15); color: var(--danger); }

/* Stats grid */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px; margin-bottom: 32px;
}
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px; text-align: center;
}
.stat-value { font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; }

/* Admin nav grid */
.admin-nav-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px; margin-top: 8px;
}

/* Section card */
.section-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px; margin-bottom: 24px;
}
.section-title { font-size: 1rem; font-weight: 600; margin-bottom: 16px; }

/* Invite form */
.invite-form-row {
    display: flex; gap: 12px; align-items: flex-end;
}
.invite-form-row .form-group { flex: 1; }
.invite-form-row .form-group-action { flex: 0 0 auto; }

/* Settings form */
.settings-form { max-width: 640px; }
.settings-form .form-group { margin-bottom: 20px; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; }
.form-textarea { resize: vertical; min-height: 60px; }
.form-actions { margin-top: 24px; }

/* Change password inline form */
.password-row td { background: var(--bg-secondary); padding: 12px; }
.password-form-row { display: flex; gap: 8px; align-items: center; max-width: 500px; }
.password-form-row .form-input { flex: 1; }
.form-input-sm { padding: 6px 10px; font-size: 0.85rem; }

/* Sidebar admin section */
.sidebar-divider { height: 1px; background: var(--border); margin: 12px 0; }
.sidebar-section-label {
    font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--text-muted); padding: 4px 12px; font-weight: 600;
}
.sidebar-link--disabled {
    opacity: 0.4;
    cursor: default;
}
.sidebar-link--disabled:hover {
    background: transparent;
    color: var(--text-secondary);
}

/* Sidebar user info */
.sidebar-user-info {
    display: flex; flex-direction: column; gap: 4px;
    overflow: hidden; flex: 1; min-width: 0;
}

/* Role badges */
.badge-role {
    font-size: 0.65rem; font-weight: 600; padding: 1px 6px; border-radius: 999px;
    text-transform: capitalize; white-space: nowrap;
}
.badge-role--admin { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-role--super_user { background: rgba(79,143,247,0.15); color: var(--accent); }
.badge-role--user { background: rgba(159,166,173,0.15); color: var(--text-secondary); }

/* Super user badge in table */
.badge-super_user { background: rgba(79,143,247,0.15); color: var(--accent); }

/* Loading state for buttons (double-submit prevention) */
.btn-loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Disabled action buttons */
.btn--disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Docker dashboard */
.docker-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
@media (min-width: 768px) {
    .docker-grid { grid-template-columns: repeat(3, 1fr); }
}

.docker-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.docker-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.docker-card__name {
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.docker-card__health {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.docker-card__image {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Status badges for containers */
.badge--running { background: rgba(34,197,94,0.15); color: var(--success); }
.badge--stopped { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge--restarting { background: rgba(245,158,11,0.15); color: var(--warning); }

/* Health dot indicator */
.health-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.health-dot--healthy { background: var(--success); }
.health-dot--unhealthy { background: var(--danger); }
.health-dot--none, .health-dot--starting { background: var(--text-muted); }

/* Docker stats area */
.docker-stats {
    display: flex;
    gap: 16px;
    padding: 8px 0;
    border-top: 1px solid var(--border);
}
.docker-stats__item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.docker-stats__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}
.docker-stats__value {
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.docker-card__actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

/* Restart confirmation dialog */
.restart-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}
.restart-dialog {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 420px;
    width: 90%;
}
.restart-dialog__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.restart-dialog__body {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}
.restart-dialog__warning {
    font-size: 0.8rem;
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius);
    padding: 8px 12px;
    margin-bottom: 16px;
}
.restart-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Audit table */
.audit-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.02); }
.audit-table td { padding: 8px 12px; }
.audit-time { font-family: 'Courier New', monospace; font-size: 0.8rem; color: var(--text-secondary); white-space: nowrap; }

/* Audit action badges */
.audit-badge {
    display: inline-flex; padding: 2px 8px; border-radius: 999px;
    font-size: 0.7rem; font-weight: 600; white-space: nowrap;
}
.audit-badge--blue { background: rgba(79,143,247,0.15); color: var(--accent); }
.audit-badge--orange { background: rgba(245,158,11,0.15); color: var(--warning); }
.audit-badge--purple { background: rgba(168,85,247,0.15); color: #a855f7; }
.audit-badge--gray { background: rgba(159,166,173,0.15); color: var(--text-secondary); }

/* Audit pagination */
.audit-pagination {
    display: flex; align-items: center; justify-content: center;
    gap: 16px; padding: 20px 0; margin-top: 8px;
}
.audit-pagination__info { font-size: 0.85rem; color: var(--text-secondary); }

/* Audit empty state */
.audit-empty {
    text-align: center; padding: 48px 20px; color: var(--text-muted);
    font-size: 0.9rem;
}

/* Restart banner */
.restart-banner {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.restart-banner__message {
    font-size: 0.875rem;
    color: var(--warning);
    line-height: 1.5;
}
.restart-banner__hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.restart-banner__actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Setting masked value display */
.setting-masked {
    display: inline-block;
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

/* Setting restart-required tag */
.setting-restart-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--warning);
    background: rgba(245, 158, 11, 0.12);
    padding: 1px 6px;
    border-radius: 999px;
    margin-left: 4px;
    vertical-align: middle;
}

/* Secret field wrapper with toggle */
.secret-field-wrapper {
    display: flex;
    gap: 8px;
    align-items: center;
}
.secret-field-wrapper .form-input {
    flex: 1;
}

/* Page actions (link buttons below header) */
.page-actions {
    margin-bottom: 16px;
}

/* Alert warning */
.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Log viewer */
.log-viewer {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    overflow: hidden;
}
.log-viewer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.log-viewer__title {
    font-size: 0.9rem;
    font-weight: 600;
}
.log-viewer__controls {
    display: flex;
    align-items: center;
    gap: 8px;
}
.log-viewer__tail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.log-viewer__tail-select {
    width: auto;
    padding: 4px 8px;
    font-size: 0.8rem;
}
.log-viewer__output {
    background: #0d0f14;
    color: #c8d0d8;
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.78rem;
    line-height: 1.5;
    padding: 16px;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-y: auto;
    max-height: 400px;
}