/* IsardVDI Testing Dashboard - Design System */

/* 1. Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* 2. CSS Variables */
:root {
    --sidebar-width: 240px;
    --sidebar-bg: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active: #3b82f6;
    --sidebar-hover-bg: #1e293b;
    --primary: #3b82f6;
    --primary-light: #93c5fd;
    --primary-dark: #1d4ed8;
    --success: #22c55e;
    --success-light: #bbf7d0;
    --success-dark: #15803d;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #b45309;
    --danger: #ef4444;
    --danger-light: #fecaca;
    --danger-dark: #b91c1c;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --border: #e2e8f0;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --content-max-width: 1200px;
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --primary-hover: var(--primary-dark);
    --nav-bg: #1e293b;
}

/* 3. Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* 4. App Layout */
.app-layout { display: flex; min-height: 100vh; }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-width: 0;
}

/* 5. Sidebar */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand__name {
    display: block;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.sidebar-brand__sub {
    display: block;
    color: var(--sidebar-text);
    font-size: 0.75rem;
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
    display: flex;
    flex-direction: column;
}

a.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.5rem;
    margin: 1px 0;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

a.nav-item:hover {
    background: var(--sidebar-hover-bg);
    color: #e2e8f0;
    text-decoration: none;
}

a.nav-item.active {
    background: var(--sidebar-hover-bg);
    color: #fff;
    border-left-color: var(--sidebar-active);
}

a.nav-item svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.8rem;
}

.sidebar-footer .user-info,
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--sidebar-text);
    margin-bottom: 0.5rem;
}

.sidebar-user__name {
    color: #e2e8f0;
    font-weight: 500;
}

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 1rem; left: 1rem;
    z-index: 200;
    background: var(--sidebar-bg);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.625rem;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
}

/* Legacy Navbar */
.navbar {
    background: var(--nav-bg);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a { color: white; text-decoration: none; font-weight: 600; font-size: 1.1rem; }

.nav-links { display: flex; gap: 1.5rem; align-items: center; }

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s;
}

.nav-links a:hover { color: white; text-decoration: none; }

.nav-user {
    color: #94a3b8;
    padding: 0.25rem 0.75rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

/* 6. Container & Page Header */
.container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 1.5rem;
    flex: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

/* 7. Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    border: 1px solid var(--border);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.95rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    text-align: center;
}

.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; line-height: 1.2; }

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-top: 0.25rem;
}

/* 8. Instance / Infra Cards */
.instance-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    transition: box-shadow 0.15s;
}

.instance-card:hover { box-shadow: var(--shadow-md); }

.instance-card .card-status-bar {
    width: 4px;
    align-self: stretch;
    border-radius: 2px;
    margin-right: 1rem;
    flex-shrink: 0;
}

.instance-card .card-body {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1rem;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.instance-card--running   { border-left-color: var(--success); }
.instance-card--stopped   { border-left-color: var(--danger); }
.instance-card--creating  { border-left-color: var(--primary); animation: pulse-border 2s ease-in-out infinite; }
.instance-card--updating  { border-left-color: var(--warning); animation: pulse-border 2s ease-in-out infinite; }
.instance-card--incomplete{ border-left-color: var(--warning); }

/* 9. Stats Bar */
.stats-bar { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.stats-bar .stat-card { flex: 1; min-width: 140px; }

/* 10. Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    background: #e2e8f0;
    color: var(--text-secondary);
    line-height: 1.4;
}

.badge--running    { background: var(--success-light); color: var(--success-dark); }
.badge--error      { background: var(--danger-light); color: var(--danger-dark); }
.info-error        { background: var(--danger-light); border: 1px solid var(--danger-dark); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
.info-error h3     { color: var(--danger-dark); margin-top: 0; }
.error-log         { background: #1e1e1e; color: #f87171; padding: 0.75rem; border-radius: 4px; font-size: 0.8rem; white-space: pre-wrap; word-break: break-word; max-height: 200px; overflow-y: auto; }
.card-error-hint   { color: var(--danger-dark); font-size: 0.75rem; margin-top: 0.25rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 400px; }
.card-url--disabled { color: var(--text-muted); pointer-events: none; cursor: default; text-decoration: none; opacity: 0.6; }
.badge--stopped    { background: var(--danger-light); color: var(--danger-dark); }
.badge--creating   { background: #dbeafe; color: var(--primary-dark); animation: pulse-border 2s ease-in-out infinite; }
.badge--updating   { background: #fef3c7; color: #92400e; animation: pulse-border 2s ease-in-out infinite; }
.badge--incomplete { background: #fed7aa; color: #c2410c; }
.badge-admin       { background: #dbeafe; color: #1e40af; }
.badge-warning     { background: var(--warning-light); color: #92400e; }
.badge--review-pending     { background: #e2e8f0; color: #475569; }
.badge--review-in_progress { background: #dbeafe; color: #1e40af; }
.badge--review-bug         { background: var(--danger-light); color: var(--danger-dark); }
.badge--review-validated   { background: var(--success-light); color: var(--success-dark); }
.badge--clickable {
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: filter 0.15s, box-shadow 0.15s;
}
.badge--clickable:hover {
    filter: brightness(0.92);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

/* 11. Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    text-decoration: none;
    background: #e2e8f0;
    color: var(--text);
    transition: background 0.15s, color 0.15s, box-shadow 0.15s, transform 0.1s;
    white-space: nowrap;
}

.btn:hover { background: #cbd5e1; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

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

.btn-success, .btn--success { background: var(--success); color: #fff; }
.btn-success:hover, .btn--success:hover { background: var(--success-dark); color: #fff; }

.btn-warning, .btn--warning { background: var(--warning); color: #fff; }
.btn-warning:hover, .btn--warning:hover { background: var(--warning-dark); color: #fff; }

.btn-danger, .btn--danger { background: var(--danger); color: #fff; }
.btn-danger:hover, .btn--danger:hover { background: var(--danger-dark); color: #fff; }

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

.btn-small, .btn--sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; border-radius: var(--radius-sm); }
.btn--lg { padding: 0.625rem 1.25rem; font-size: 1rem; }
.btn-block, .btn--block { display: flex; width: 100%; }

.btn--loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn--loading::after {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-group { display: inline-flex; gap: 1px; }
.btn-group .btn { border-radius: 0; }
.btn-group .btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.btn-group .btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* 12. Progress Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

/* .modal as standalone overlay (legacy) */
.modal:not(.modal-overlay .modal) {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* .modal inside .modal-overlay acts as the panel */
.modal-overlay .modal {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    min-width: 400px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay .modal.modal--wide {
    max-width: 700px;
    width: 90%;
}

.modal__panel,
.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    min-width: 400px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal--wide .modal__panel,
.modal-content-large,
.modal-large {
    max-width: 700px;
    width: 90%;
}

.modal__header,
.modal-header {
    background: var(--sidebar-bg);
    color: #fff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.modal__header h2,
.modal-header h2 { margin: 0; font-size: 1.1rem; font-weight: 600; }
.modal-header .btn-small { font-size: 0.75rem; padding: 0.3rem 0.6rem; white-space: nowrap; }

.modal__body,
.modal-body { padding: 1.5rem; overflow-y: auto; flex: 1; }

.modal__terminal,
.progress-log {
    background: #1e1e1e;
    color: #d4d4d4;
    font-family: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    height: 350px;
    overflow-y: auto;
    text-align: left;
    margin-top: 1rem;
    line-height: 1.5;
}

.modal__footer,
.modal-footer {
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    flex-shrink: 0;
    background: var(--bg);
}

.modal-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.15s;
}

.modal-close:hover { color: #fff; }

/* Modal result panels */
.modal__result--success,
.progress-success {
    padding: 1.5rem;
    text-align: center;
    background: #dcfce7;
    border-top: 1px solid #bbf7d0;
}

.modal__result--success p,
.progress-success p { color: #166534; margin-bottom: 1rem; }
.progress-success a { color: #166534; }

.modal__result--error,
.progress-error {
    padding: 1.5rem;
    text-align: center;
    background: #fee2e2;
    border-top: 1px solid #fecaca;
}

.modal__result--error p,
.progress-error p { color: #991b1b; margin-bottom: 1rem; }

/* Progress bar */
.progress-bar {
    height: 20px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #60a5fa);
    transition: width 0.3s ease;
    border-radius: 10px;
}

.progress-message { font-size: 0.95rem; color: var(--text); margin-bottom: 0.5rem; }
.progress-step { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
.progress-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.progress-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    text-align: center;
}

.progress-footer-hint { font-size: 0.85rem; color: #666; margin-bottom: 0.75rem; }

/* Log entries */
.log-entry,
.progress-log .log-entry {
    padding: 2px 0;
    border-bottom: 1px solid #333;
    animation: fade-in 0.3s ease-out;
}

.log-entry:last-child,
.progress-log .log-entry:last-child { border-bottom: none; }

.log-time, .progress-log .log-time { color: #6a9955; margin-right: 0.5rem; }
.log-step, .progress-log .log-step { color: #569cd6; margin-right: 0.5rem; }
.log-message, .progress-log .log-message { color: #d4d4d4; }
.log-entry.success .log-message, .progress-log .log-entry.success .log-message { color: #4ec9b0; }
.log-entry.error .log-message, .progress-log .log-entry.error .log-message { color: #f14c4c; }

/* 13. Forms */
.form-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 2rem;
    align-items: start;
}

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

.form-preview { position: sticky; top: 2rem; }

.form-container {
    max-width: 600px;
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.form-narrow { max-width: 400px; }
.form-group { margin-bottom: 1rem; }

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    background: #fff;
    color: var(--text);
    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(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; gap: 0.5rem; margin-top: 1.5rem; }

.form-note {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--warning-light);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: #92400e;
}

.form-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.form-section h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Collapsible form sections via <details> */
.form-section details {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.form-section details summary {
    padding: 0.75rem 1rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    list-style: none;
}

.form-section details summary::-webkit-details-marker { display: none; }

.form-section details summary::before {
    content: '\25B6';
    display: inline-block;
    margin-right: 0.5rem;
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.form-section details[open] summary::before { transform: rotate(90deg); }
.form-section details > :not(summary) { padding: 0 1rem 0.75rem; }

/* Floating label pattern */
.floating-label { position: relative; }
.floating-label input { padding-top: 1.25rem; padding-bottom: 0.25rem; }

.floating-label label {
    position: absolute;
    top: 0.75rem; left: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.15s;
}

.floating-label input:focus + label,
.floating-label input:not(:placeholder-shown) + label {
    top: 0.25rem;
    font-size: 0.7rem;
    color: var(--primary);
}

.required { color: var(--danger); }
.checkbox-label { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; }
.checkbox-label input { width: auto; }

/* 14. Image Status */
.image-status-box {
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg);
    margin-top: 8px;
}

.image-status-box.status-ready   { border-color: var(--success); background: #dcfce7; }
.image-status-box.status-running { border-color: var(--warning); background: var(--warning-light); }
.image-status-box.status-missing { border-color: var(--danger); background: #fee2e2; }
.image-status-message { margin-bottom: 8px; font-weight: 500; }
.image-status-details { font-size: 0.9em; color: var(--text-secondary); }
.image-status-details a { color: var(--primary); }

.spinner-small {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 15. Login */
.login-page {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    animation: slide-up 0.4s ease-out, fade-in 0.5s ease-out;
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-header h1 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 0.25rem; }
.login-header p { color: var(--text-muted); font-size: 0.9rem; }

/* Legacy login compat */
.login-container { display: flex; justify-content: center; align-items: center; min-height: 80vh; }

.login-box {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 360px;
}

.login-box h1 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--primary); }
.login-box h2 { font-size: 1rem; font-weight: 400; color: var(--text-muted); margin-bottom: 1.5rem; }

/* 16. Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

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

.info-card h2 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.info-content dl { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 1rem; }
.info-content dt { font-weight: 500; color: var(--text-muted); font-size: 0.875rem; }
.info-content dd { font-size: 0.875rem; }

.info-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.8rem;
}

.info-content code { font-family: 'SF Mono', Monaco, 'Courier New', monospace; }
code.password { background: var(--bg); padding: 0.25rem 0.5rem; border-radius: var(--radius-sm); font-size: 0.875rem; }

/* Info grid in modal */
.info-grid-modal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    text-align: left;
}

.info-section {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 1rem;
}

.info-section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    padding-bottom: 0.375rem;
    border-bottom: 1px solid var(--border);
}

.info-section dl { display: grid; grid-template-columns: auto 1fr; gap: 0.2rem 0.75rem; font-size: 0.875rem; }
.info-section dt { font-weight: 500; color: var(--text-secondary); }
.info-section dd { word-break: break-all; }
.info-section a { color: var(--primary); }

/* Command row */
.command-row,
.command-copy-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #1e293b;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-top: 0.5rem;
}

.command-row code,
.command-copy-row code {
    flex: 1;
    color: #e2e8f0;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.8rem;
    word-break: break-all;
    user-select: all;
}

.btn-copy {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    background: rgba(255,255,255,0.1);
    color: #e2e8f0;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
}

.btn-copy:hover { background: rgba(255,255,255,0.2); }
.action-buttons { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }

/* 17. Tables */
.table-responsive { overflow-x: auto; border-radius: var(--radius); }

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: var(--bg);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.table tbody tr { transition: background 0.1s; }
.table tbody tr:hover { background: #f8fafc; }
.table tbody tr:last-child td { border-bottom: none; }
.table a { color: var(--primary); text-decoration: none; }
.table a:hover { text-decoration: underline; }
.table .ports { font-size: 0.8rem; color: var(--text-muted); }
.table .actions { white-space: nowrap; }
.inline-form { display: inline-block; margin: 0; }
.links-cell { white-space: nowrap; }

/* Nodes table */
.nodes-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; margin-top: 0.5rem; }

.nodes-table th,
.nodes-table td {
    padding: 0.4rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.nodes-table th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    background: rgba(0,0,0,0.02);
}

.nodes-table .status-running { color: var(--success-dark); font-weight: 600; }
.nodes-table .status-stopped { color: var(--danger-dark); font-weight: 600; }
.nodes-section { margin-top: 1.5rem; }
.nodes-section h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.75rem; }

/* 18. Status Badges */
.status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.status-running   { background: #dcfce7; color: #166534; }
.status-stopped   { background: #fee2e2; color: #991b1b; }
.status-incomplete{ background: #fed7aa; color: #c2410c; }
.status-missing   { background: #f1f5f9; color: #64748b; }
.status-unknown, .status-error, .status-timeout { background: var(--warning-light); color: #92400e; }
.status-large { font-size: 1rem; padding: 0.5rem 1rem; }

.status-creating,
.status-checking {
    background: #dbeafe;
    color: #1e40af;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.spinner-inline {
    display: inline-block;
    width: 12px; height: 12px;
    border: 2px solid rgba(30, 64, 175, 0.3);
    border-top-color: #1e40af;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

/* 19. SSH Users Selection */
.ssh-users-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    padding: 0.75rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.ssh-users-selection .checkbox-label {
    padding: 0.3rem 0.6rem;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 0.875rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.ssh-users-selection .checkbox-label:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.ssh-users-selection .badge { font-size: 0.7rem; padding: 0.1rem 0.3rem; }

/* 20. Flash Messages */
.flash-messages { margin-bottom: 1rem; }

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    border-left: 4px solid transparent;
}

.flash-success { background: #dcfce7; color: #166534; border-left-color: var(--success); }
.flash-error   { background: #fee2e2; color: #991b1b; border-left-color: var(--danger); }
.flash-info    { background: #dbeafe; color: #1e40af; border-left-color: var(--primary); }
.flash-warning { background: var(--warning-light); color: #92400e; border-left-color: var(--warning); }

/* 21. Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.empty-state h2 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-muted); margin-bottom: 1rem; max-width: 400px; margin-left: auto; margin-right: auto; }

/* 22. Footer */
.footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

/* 23. Utilities */
.text-muted { color: var(--text-muted); font-size: 0.85rem; }
.text-mono  { font-family: 'SF Mono', Monaco, 'Courier New', monospace; }
.text-error { color: var(--danger-dark); }
.truncate   { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* 24. Inline Progress (dashboard) */
.inline-progress { display: flex; flex-direction: column; gap: 0.25rem; }

.progress-bar-mini {
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    width: 100%;
}

.progress-fill-mini {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #60a5fa);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-msg {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.loading { text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.9rem; }

/* 25. Infra-specific */
.infra-progress { display: flex; flex-direction: column; gap: 0.25rem; }
.status-summary { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; }
.status-count { display: inline-flex; align-items: center; gap: 0.25rem; font-weight: 600; }
.status-count.running { color: var(--success-dark); }
.status-count.stopped { color: var(--danger-dark); }
.status-count.total   { color: var(--text-secondary); }

/* Orphan and creating rows */
.orphan-row { background: #fff7ed; }
.orphan-row:hover { background: #ffedd5 !important; }
.creating-row { background: #fefce8; }
.creating-row:hover { background: #fef9c3 !important; }

/* 26. Build option & warning */
.build-option {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.build-option label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: normal; }
.build-option input[type="checkbox"] { width: 18px; height: 18px; }
.build-warning { margin-top: 8px; font-size: 0.85em; color: #856404; }

/* 27. Animations */
@keyframes pulse-border {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

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

@keyframes fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 28. Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 200;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.3);
    }
    .sidebar-toggle { display: block; }
    .main-content { margin-left: 0; padding: 1rem; padding-top: 3.5rem; }

    .navbar { flex-direction: column; gap: 0.75rem; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
    .page-header { flex-direction: column; align-items: flex-start; }

    .form-layout { grid-template-columns: 1fr; }
    .form-preview { position: static; }
    .form-row { grid-template-columns: 1fr; }
    .form-container { max-width: 100%; }

    .info-grid, .info-grid-modal { grid-template-columns: 1fr; }

    .table th, .table td { padding: 0.5rem 0.6rem; font-size: 0.8rem; }

    .modal__panel, .modal-content,
    .modal-content-large, .modal-large {
        min-width: auto;
        max-width: 100%;
        width: 95%;
        margin: 1rem;
    }
    .modal__terminal, .progress-log { height: 250px; }

    .instance-card .card-body { grid-template-columns: 1fr; gap: 0.5rem; }
    .stats-bar { flex-direction: column; }
}

@media (max-width: 480px) {
    .btn-small, .btn--sm { padding: 0.2rem 0.375rem; font-size: 0.7rem; }
    .status { font-size: 0.7rem; padding: 0.15rem 0.4rem; }
}

/* 30. Sort Bar */
.sort-bar {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.sort-bar__label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-right: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sort-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    white-space: nowrap;
}

.sort-btn:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

.sort-btn--active {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.06);
}

.sort-btn::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 3.5px solid transparent;
    border-right: 3.5px solid transparent;
    border-top: 4px solid currentColor;
    opacity: 0;
    transition: opacity 0.15s, transform 0.15s;
}

.sort-btn--active::after {
    opacity: 1;
}

.sort-btn--active[data-sort-dir="asc"]::after {
    transform: rotate(180deg);
}

/* Review log timeline */
.review-log { list-style: none; padding: 0; margin: 0; }
.review-log li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.review-log li:last-child { border-bottom: none; }
.review-log-meta { color: var(--text-muted); font-size: 0.75rem; margin-top: 0.15rem; }
.review-form { margin-top: 1rem; }
.review-form .form-group { margin-bottom: 0.75rem; }

/* Preview panel */
.preview-content { padding: 1rem; }
.preview-field { display: flex; justify-content: space-between; padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.preview-field:last-child { border-bottom: none; }
.preview-label { color: var(--text-muted); font-size: 0.85rem; font-weight: 500; }
.preview-value { font-weight: 500; }

/* Section header */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.section-header h2 { font-size: 1.5rem; font-weight: 600; margin: 0; }

/* 29. Tabs */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

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

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

.tab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.375rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    background: #e2e8f0;
    color: var(--text-secondary);
    line-height: 1;
}

.tab--active .tab__count {
    background: #dbeafe;
    color: var(--primary-dark);
}

/* Review status filter bar */
.review-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.review-filters__label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-right: 0.25rem;
}
.review-filter {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.review-filter:hover {
    background: #f1f5f9;
    border-color: var(--text-muted);
}
.review-filter--active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.review-filter--active .tab__count {
    background: rgba(255,255,255,0.25);
    color: #fff;
}
.review-filter[data-review-filter="pending"].review-filter--active { background: #475569; border-color: #475569; }
.review-filter[data-review-filter="in_progress"].review-filter--active { background: #1e40af; border-color: #1e40af; }
.review-filter[data-review-filter="bug"].review-filter--active { background: var(--danger); border-color: var(--danger); }
.review-filter[data-review-filter="validated"].review-filter--active { background: var(--success); border-color: var(--success); }

/* VM Log terminal styling */
.modal__terminal--vm {
    background: #0d1117;
    color: #8b949e;
    font-size: 0.7rem;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.modal__terminal--vm .vm-log-line {
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.4;
}

/* Elapsed time display */
.progress-elapsed {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
    margin-left: auto;
}

/* Error pre block */
#progress-error-message {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.8rem;
    max-height: 300px;
    overflow-y: auto;
    margin: 0 0 0.5rem;
}

/* Badge variants for new operation statuses */
.badge--starting { background: #dcfce7; color: #166534; }
.badge--stopping { background: #fef3c7; color: #92400e; }
.badge--restarting { background: #dbeafe; color: #1e40af; }