:root {
    --bg-primary: #f3f4f8;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #eef0f5;
    --bg-hover: #e8eaf2;
    --border: #dfe1ea;
    --border-light: #eceef5;
    --text-primary: #1a1d2e;
    --text-secondary: #5f6580;
    --text-muted: #9498b3;
    --accent: #4f46e5;
    --accent-hover: #6366f1;
    --accent-light: #eef2ff;
    --success: #16a34a;
    --success-light: #f0fdf4;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --radius: 8px;
    --sidebar-width: 200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

code {
    padding: 2px 6px;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

/* SVG icon base */
.icon { flex-shrink: 0; vertical-align: middle; }

/* Layout */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width 0.25s ease, transform 0.25s ease;
    overflow: hidden;
}

.sidebar-brand {
    height: 57px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.brand-icon { color: var(--accent); display: flex; align-items: center; }
.brand-text { font-size: 16px; font-weight: 700; letter-spacing: -0.5px; color: var(--text-primary); }

.sidebar-nav { padding: 14px 10px; flex: 1; overflow-y: auto; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
    position: relative;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-light); color: var(--accent); }
.nav-item.active .nav-icon svg { stroke: var(--accent); }
.nav-icon { display: flex; align-items: center; justify-content: center; width: 18px; height: 18px; flex-shrink: 0; }
.nav-icon svg { stroke: currentColor; }

.nav-badge {
    margin-left: auto;
    font-size: 11px;
    font-weight: 600;
    background: var(--accent-light);
    color: var(--accent);
    padding: 1px 7px;
    border-radius: 10px;
    line-height: 1.5;
}

.nav-item.active .nav-badge { background: var(--accent); color: #fff; }
.nav-badge.danger { background: var(--danger-light); color: var(--danger); }
.nav-item.active .nav-badge.danger { background: var(--danger); color: #fff; }

.nav-divider { height: 1px; background: var(--border-light); margin: 12px 4px; }

.sidebar-footer {
    padding: 10px 10px 14px;
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
}

.sidebar-collapse-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}
.sidebar-collapse-btn:hover { color: var(--text-primary); }

.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .brand-text,
.sidebar.collapsed .nav-item span:not(.nav-icon),
.sidebar.collapsed .nav-badge { display: none; }
.sidebar.collapsed .sidebar-brand { padding: 0; justify-content: center; }
.sidebar.collapsed .sidebar-brand .brand-icon { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 10px; }
.sidebar.collapsed .sidebar-nav { padding: 14px 6px; }
.sidebar.collapsed .sidebar-footer { padding: 10px 6px 14px; }

.layout.sidebar-collapsed .main-content { margin-left: 64px; }

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: margin-left 0.25s ease;
}

/* Top bar */
.top-bar {
    height: 57px;
    padding: 0 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 16px;
    flex-shrink: 0;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s;
}

.mobile-menu-btn:hover { background: var(--bg-hover); }

.page-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.top-bar-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s;
    text-decoration: none;
    position: relative;
}
.top-bar-icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.top-bar-icon-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.top-bar-icon-btn svg { stroke: currentColor; }

.user-badge {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: var(--radius);
    background: var(--bg-hover);
}

/* Indicator icons in top bar */
.top-bar-indicators {
    display: flex;
    align-items: center;
    gap: 4px;
}

.indicator-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    color: var(--text-muted);
    transition: all 0.15s;
    border: none;
    background: none;
    cursor: pointer;
    text-decoration: none;
}

.indicator-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.indicator-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    background: var(--accent);
    color: #fff;
    pointer-events: none;
}

.indicator-badge.danger { background: var(--danger); }
.indicator-badge.success { background: var(--success); }
.indicator-badge.warning { background: var(--warning); }

.indicator-dot {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 2px solid var(--bg-secondary);
    pointer-events: none;
}

.indicator-dot.success { background: var(--success); }
.indicator-dot.danger { background: var(--danger); }
.indicator-dot.warning { background: var(--warning); }
.indicator-dot.muted { background: var(--text-muted); }

.top-bar-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 4px;
}

.user-badge-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--accent-light);
    border-radius: 20px;
    color: var(--accent);
    text-decoration: none;
    transition: background 0.15s;
}

.user-badge-link:hover { background: #e0e7ff; color: var(--accent); }

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
}

.user-avatar .icon { stroke: #fff; }

.user-badge-name {
    font-size: 12px;
    font-weight: 600;
}

.content { padding: 28px; flex: 1; }

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
}

.card-header h2 { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.card-body { padding: 20px; }

/* Stats Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 22px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--border);
}

.stat-card.success::before { background: var(--success); }
.stat-card.danger::before { background: var(--danger); }

.stat-value { font-size: 32px; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.danger .stat-value { color: var(--danger); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s;
}

.btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border); }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.2);
}

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

.btn-secondary { background: var(--bg-secondary); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; padding: 10px; }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; color: #fff; }

/* Forms */
.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background: var(--bg-secondary);
}

.form-group input::placeholder { color: var(--text-muted); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.settings-grid .card { margin-bottom: 0; }
.settings-full { grid-column: 1 / -1; }

.form-stack fieldset {
    border: none;
    padding: 0;
    margin: 0 0 8px;
}

.form-stack fieldset + fieldset {
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.form-stack legend {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 0;
    margin-bottom: 14px;
    width: 100%;
    float: left;
}
.form-actions { display: flex; gap: 12px; justify-content: flex-end; padding-top: 8px; }

.input-with-btn { display: flex; gap: 8px; }
.input-with-btn input { flex: 1; }

/* Checkbox list */
.module-checklist { display: flex; flex-direction: column; gap: 10px; }

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.checkbox-item:hover { border-color: var(--accent); background: var(--accent-light); }
.checkbox-item input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
.checkbox-item span { font-size: 13px; }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 500;
}

details { margin-top: 8px; }
details summary {
    cursor: pointer;
    font-size: 12px;
    color: inherit;
    opacity: 0.8;
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    user-select: none;
}
details summary::-webkit-details-marker,
details summary::marker { display: none; content: ''; }
details summary::before {
    content: '\25B6';
    font-size: 8px;
    transition: transform 0.15s;
}
details[open] summary::before { transform: rotate(90deg); }

.alert-error { background: var(--danger-light); border: 1px solid #fecaca; color: #b91c1c; }
.alert-success { background: var(--success-light); border: 1px solid #bbf7d0; color: #15803d; }
.alert-warning { background: var(--warning-light); border: 1px solid #fde68a; color: #92400e; }
.alert-info { background: var(--accent-light); border: 1px solid #c7d2fe; color: #3730a3; }

/* Log output */
.log-output {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: var(--radius);
    padding: 16px;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.8;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    color: #94a3b8;
}

/* Text utilities */
.text-muted { color: var(--text-muted); }
.mt-4 { margin-top: 24px; }

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #eef2ff 0%, #f3f4f8 50%, #faf5ff 100%);
}

.login-container { width: 100%; max-width: 400px; padding: 20px; }

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--shadow-md);
}

.login-brand { text-align: center; margin-bottom: 28px; }
.login-brand h1 { font-size: 22px; margin-top: 12px; color: var(--text-primary); }
.login-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Table */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border-light); }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); font-weight: 600; }
.table td { font-size: 13px; }
.table tbody tr:hover { background: var(--bg-hover); }

/* Status dot */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; vertical-align: middle; }
.status-dot.running, .status-dot.online { background: var(--success); box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15); animation: pulse-green 2s ease-in-out infinite; }
.status-dot.stopped, .status-dot.offline { background: var(--text-muted); }
.status-dot.error { background: var(--danger); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12); animation: pulse-red 2s ease-in-out infinite; }

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15); }
    50% { box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.08); }
}
@keyframes pulse-red {
    0%, 100% { box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12); }
    50% { box-shadow: 0 0 0 6px rgba(220, 38, 38, 0.06); }
}

/* Mobile nav */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    z-index: 200;
    padding: 4px 0;
    padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}

.mobile-nav-inner {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.mobile-nav-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s;
}

.mobile-nav-item .icon { width: 20px; height: 20px; }
.mobile-nav-item:hover { color: var(--accent); }
.mobile-nav-item.active { color: var(--accent); }

.mobile-badge {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 14px;
    height: 14px;
    padding: 0 3px;
    border-radius: 7px;
    font-size: 9px;
    font-weight: 700;
    line-height: 14px;
    text-align: center;
    background: var(--accent);
    color: #fff;
}

.mobile-badge.danger { background: var(--danger); }

/* Mobile sidebar overlay */
.mobile-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.25s;
}

.mobile-sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Environment cards */
.env-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.env-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.env-card-header {
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
    gap: 10px;
}

.env-card-header.env-accent { border-top: 3px solid var(--accent); }
.env-card-header.env-success { border-top: 3px solid var(--success); }

.env-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.env-status-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.env-status-badge.running { background: var(--success-light); color: var(--success); }
.env-status-badge.stopped { background: var(--bg-input); color: var(--text-muted); }
.env-status-badge.error { background: var(--danger-light); color: var(--danger); }

.env-card-body {
    padding: 16px 18px;
    flex: 1;
}

.env-info-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.env-info-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.env-info-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 70px;
    flex-shrink: 0;
}

.env-info-value {
    font-size: 13px;
    color: var(--text-primary);
    word-break: break-all;
}

.env-card-actions {
    padding: 12px 18px;
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    background: var(--bg-primary);
}

.env-label {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.env-label.local { background: var(--accent-light); color: var(--accent); }
.env-label.prod { background: var(--success-light); color: var(--success); }

/* Environment form sections */
.env-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.env-fieldset {
    border: none;
    padding: 0;
    margin: 0 0 8px;
}

.env-fieldset + .env-fieldset {
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.env-fieldset legend {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 0;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Flash messages */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    animation: flash-in 0.3s ease;
    transition: opacity 0.4s ease, transform 0.4s ease;
    word-break: break-word;
}

.flash-fade {
    opacity: 0;
    transform: translateY(-8px);
}

.flash-success { background: var(--success-light); border: 1px solid #bbf7d0; color: #15803d; }
.flash-error   { background: var(--danger-light);  border: 1px solid #fecaca; color: #b91c1c; }
.flash-warning { background: var(--warning-light); border: 1px solid #fde68a; color: #92400e; }
.flash-info    { background: var(--accent-light);  border: 1px solid #c7d2fe; color: #3730a3; }

.flash-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    color: inherit;
    opacity: 0.6;
    padding: 0 4px;
    flex-shrink: 0;
    transition: opacity 0.15s;
}
.flash-close:hover { opacity: 1; }

.flash-body { flex: 1; min-width: 0; }
.flash-title { font-weight: 600; margin-bottom: 2px; }
.flash-details {
    margin-top: 8px;
    padding: 6px 0;
    font-size: 12px;
    font-family: 'Cascadia Code', 'Fira Code', Consolas, monospace;
    line-height: 1.35;
    display: flex;
    flex-direction: column;
    gap: 1px;
    max-width: 560px;
}
.flash-step {
    padding: 2px 8px;
    border-radius: 3px;
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.flash-step:hover { background: rgba(0,0,0,0.04); }
.flash-step::before { content: '✓'; font-size: 10px; opacity: 0.35; flex-shrink: 0; }
.flash-step-ok { color: #15803d; }
.flash-step-ok::before { content: '✓'; opacity: 0.7; color: #15803d; }
.flash-step-warn { color: #92400e; font-weight: 600; }
.flash-step-warn::before { content: '⚠'; opacity: 0.8; color: #92400e; }
.flash-step-err { color: #b91c1c; font-weight: 600; }
.flash-step-err::before { content: '✗'; opacity: 0.8; color: #b91c1c; }

@keyframes flash-in {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Confirmation modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    animation: modal-in 0.2s ease;
}

.modal-box h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.modal-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

@keyframes modal-in {
    from { opacity: 0; transform: scale(0.95) translateY(-8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Badges */
.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    line-height: 1.5;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-critical { background: var(--danger-light); color: var(--danger); }
.badge-high     { background: #fff1f2; color: #e11d48; }
.badge-medium   { background: var(--warning-light); color: var(--warning); }
.badge-low      { background: var(--accent-light); color: var(--accent); }
.badge-success  { background: var(--success-light); color: var(--success); }
.badge-warning  { background: var(--warning-light); color: var(--warning); }
.badge-danger   { background: var(--danger-light); color: var(--danger); }
.badge-info     { background: var(--accent-light); color: var(--accent); }

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

.btn-loading {
    opacity: 0.75;
    cursor: wait;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-md);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content { margin-left: 0; }
    .mobile-nav { display: block; }
    .mobile-menu-btn { display: flex; }

    .content {
        padding: 16px;
        padding-bottom: 80px;
    }

    .top-bar {
        height: 50px;
        padding: 0 14px;
        gap: 10px;
    }

    .page-title { font-size: 16px; }

    .top-bar-indicators { gap: 0; }

    .indicator-btn {
        width: 32px;
        height: 32px;
    }

    .indicator-btn .icon {
        width: 17px;
        height: 17px;
    }

    .top-bar-divider { display: none; }

    .user-badge-name { display: none; }
    .user-badge-link { padding: 6px; border-radius: 50%; }

    .form-row { grid-template-columns: 1fr; }
    .settings-grid { grid-template-columns: 1fr; }
    .env-grid { grid-template-columns: 1fr; }
    .env-sections { grid-template-columns: 1fr; }

    .dashboard-grid { grid-template-columns: 1fr 1fr; gap: 10px; }

    .stat-card { padding: 14px; }
    .stat-value { font-size: 24px; }

    .card-header { flex-wrap: wrap; gap: 8px; }
    .card-body { padding: 14px; }

    .table { font-size: 12px; }
    .table th, .table td { padding: 8px 10px; }

    .btn { padding: 7px 12px; font-size: 12px; }
    .btn-sm { padding: 4px 10px; font-size: 11px; }
}

.fieldset-hint {
    margin: -8px 0 14px;
    font-size: 12px;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .content { padding: 12px; padding-bottom: 80px; }

    .dashboard-grid { grid-template-columns: 1fr; gap: 8px; }

    .stat-card {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
    }

    .stat-value { font-size: 22px; }
    .stat-label { margin-top: 0; }

    .top-bar-indicators .indicator-btn:nth-child(n+4) { display: none; }

    .card-header h2 { font-size: 14px; }
}