/* ============================================================
   AERIM SaaS — Design System & Global Styles
   Vanilla CSS, no frameworks. Mobile-first.
   ============================================================ */

/* ── CSS Custom Properties ──────────────────────────────── */
:root {
    /* Brand colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-secondary: #0f172a;
    --color-accent: #f59e0b;

    /* Grays */
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Semantic */
    --color-success: #16a34a;
    --color-success-light: #dcfce7;
    --color-warning: #d97706;
    --color-warning-light: #fef3c7;
    --color-error: #dc2626;
    --color-error-light: #fee2e2;
    --color-info: #2563eb;
    --color-info-light: #dbeafe;

    /* Maturity levels */
    --maturity-adhoc: #ef4444;
    --maturity-foundational: #f97316;
    --maturity-defined: #eab308;
    --maturity-aligned: #22c55e;
    --maturity-optimizing: #2563eb;

    /* AERIM phases */
    --phase-assess: #8b5cf6;
    --phase-engage: #3b82f6;
    --phase-refine: #f59e0b;
    --phase-integrate: #10b981;
    --phase-measure: #6366f1;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 60px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --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);
    --transition: all 0.2s ease;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

table {
    border-collapse: collapse;
    width: 100%;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-gray-900);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

.text-muted { color: var(--color-gray-500); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-mono { font-family: var(--font-mono); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    color: #fff;
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.btn-danger {
    background: var(--color-error);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
    color: #fff;
}

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

.btn-success:hover:not(:disabled) {
    background: #15803d;
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary);
    color: #fff;
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-1);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--color-gray-800);
    background: #fff;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: var(--text-lg);
    margin: 0;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Alerts / Flash Messages ────────────────────────────── */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.alert-success {
    background: var(--color-success-light);
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: var(--color-error-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: var(--color-warning-light);
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--color-info-light);
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ── Badges ─────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 9999px;
    white-space: nowrap;
}

.badge-primary { background: var(--color-primary-light); color: var(--color-primary-dark); }
.badge-success { background: var(--color-success-light); color: #166534; }
.badge-warning { background: var(--color-warning-light); color: #92400e; }
.badge-error { background: var(--color-error-light); color: #991b1b; }
.badge-gray { background: var(--color-gray-100); color: var(--color-gray-600); }

/* Maturity badges */
.badge-maturity-adhoc { background: #fee2e2; color: #991b1b; }
.badge-maturity-foundational { background: #ffedd5; color: #9a3412; }
.badge-maturity-defined { background: #fef9c3; color: #854d0e; }
.badge-maturity-aligned { background: #dcfce7; color: #166534; }
.badge-maturity-optimizing { background: var(--color-primary-light); color: var(--color-primary-dark); }

/* Phase badges */
.badge-assess { background: #ede9fe; color: #6d28d9; }
.badge-engage { background: #dbeafe; color: #1d4ed8; }
.badge-refine { background: #fef3c7; color: #b45309; }
.badge-integrate { background: #d1fae5; color: #047857; }
.badge-measure { background: #e0e7ff; color: #4338ca; }

/* ── Tables ─────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
}

.table {
    width: 100%;
    font-size: var(--text-sm);
}

.table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    border-bottom: 2px solid var(--color-gray-200);
    white-space: nowrap;
}

.table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: middle;
}

.table tr:hover td {
    background: var(--color-gray-50);
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-secondary);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.5px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-brand span {
    color: var(--color-primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
    overflow-y: auto;
}

.sidebar-section {
    padding: var(--space-2) var(--space-6);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.4);
    margin-top: var(--space-4);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-6);
    color: rgba(255,255,255,0.7);
    font-size: var(--text-sm);
    transition: var(--transition);
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.sidebar-link.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
    border-left-color: var(--color-primary);
}

.sidebar-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar-link.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.4);
}

/* Main content area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top header bar */
.top-bar {
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.page-title {
    font-size: var(--text-lg);
    font-weight: 600;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.breadcrumb a { color: var(--color-gray-500); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-gray-300); }

/* User dropdown */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    transition: var(--transition);
}

.user-menu-trigger:hover {
    background: var(--color-gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 600;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-1);
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
    z-index: 200;
}

.user-dropdown.open {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.user-dropdown a:hover {
    background: var(--color-gray-50);
    color: var(--color-gray-900);
}

.user-dropdown-divider {
    border-top: 1px solid var(--color-gray-200);
    margin: var(--space-1) 0;
}

/* Notification bell */
.notification-bell {
    position: relative;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    color: var(--color-gray-500);
    transition: var(--transition);
}

.notification-bell:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.notification-bell svg {
    width: 20px;
    height: 20px;
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: var(--color-error);
    border-radius: 50%;
    border: 2px solid #fff;
}

/* Page body */
.page-body {
    flex: 1;
    padding: var(--space-8);
}

/* ── Auth Layout ────────────────────────────────────────── */
.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1e3a5f 100%);
    padding: var(--space-4);
}

.auth-card {
    background: #fff;
    width: 100%;
    max-width: 440px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.auth-header {
    padding: var(--space-8) var(--space-8) var(--space-4);
    text-align: center;
}

.auth-logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: -0.5px;
    margin-bottom: var(--space-2);
}

.auth-logo span {
    color: var(--color-primary);
}

.auth-subtitle {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

.auth-body {
    padding: var(--space-4) var(--space-8) var(--space-8);
}

.auth-footer {
    padding: var(--space-4) var(--space-8);
    background: var(--color-gray-50);
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    border-top: 1px solid var(--color-gray-200);
}

/* ── Progress Bar ───────────────────────────────────────── */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-bar-fill.assess { background: var(--phase-assess); }
.progress-bar-fill.engage { background: var(--phase-engage); }
.progress-bar-fill.refine { background: var(--phase-refine); }
.progress-bar-fill.integrate { background: var(--phase-integrate); }
.progress-bar-fill.measure { background: var(--phase-measure); }

/* ── Phase Stepper ──────────────────────────────────────── */
.phase-stepper {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: var(--space-6);
}

.phase-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: var(--space-2);
}

.phase-step::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--color-gray-200);
    z-index: 0;
}

.phase-step:last-child::after {
    display: none;
}

.phase-step-dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 700;
    background: var(--color-gray-200);
    color: var(--color-gray-500);
    z-index: 1;
    transition: var(--transition);
}

.phase-step.completed .phase-step-dot {
    background: var(--color-success);
    color: #fff;
}

.phase-step.active .phase-step-dot {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.phase-step.completed::after {
    background: var(--color-success);
}

.phase-step-label {
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.phase-step.active .phase-step-label {
    color: var(--color-primary);
}

.phase-step.completed .phase-step-label {
    color: var(--color-success);
}

/* ── Score Meter ────────────────────────────────────────── */
.score-display {
    text-align: center;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.score-value.maturity-adhoc { color: var(--maturity-adhoc); }
.score-value.maturity-foundational { color: var(--maturity-foundational); }
.score-value.maturity-defined { color: var(--maturity-defined); }
.score-value.maturity-aligned { color: var(--maturity-aligned); }
.score-value.maturity-optimizing { color: var(--maturity-optimizing); }

.score-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

/* ── Grid System ────────────────────────────────────────── */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
    .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-5 {
        grid-template-columns: 1fr;
    }
}

/* ── Stat Cards ─────────────────────────────────────────── */
.stat-card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 22px;
    height: 22px;
}

.stat-icon.primary { background: var(--color-primary-light); color: var(--color-primary); }
.stat-icon.success { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.warning { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon.info { background: var(--color-info-light); color: var(--color-info); }

.stat-content { flex: 1; }

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

/* ── Utilities ──────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.w-full { width: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Empty State ────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--color-gray-400);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    opacity: 0.4;
}

.empty-state h3 {
    color: var(--color-gray-600);
    margin-bottom: var(--space-2);
}

.empty-state p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
}

/* ── Tabs ───────────────────────────────────────────────── */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--color-gray-200);
    margin-bottom: var(--space-6);
    gap: 0;
}

.tab {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.tab:hover {
    color: var(--color-gray-700);
}

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

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.open .modal {
    transform: translateY(0);
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { margin: 0; }

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: var(--space-1);
}

.modal-close:hover { color: var(--color-gray-600); }

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* ── Scoring Slider ─────────────────────────────────────── */
.score-slider {
    width: 100%;
    margin: var(--space-4) 0;
}

.score-slider input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    background: var(--color-gray-200);
    border-radius: 4px;
    outline: none;
}

.score-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: var(--shadow-md);
}

.score-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.score-current {
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

/* ── Responsive ─────────────────────────────────────────── */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--color-gray-600);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .page-body {
        padding: var(--space-4);
    }

    .top-bar {
        padding: 0 var(--space-4);
    }

    .phase-stepper {
        overflow-x: auto;
    }
}

/* ── Sidebar overlay for mobile ─────────────────────────── */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    display: none;
}

.sidebar-overlay.open {
    display: block;
}

/* ── Tooltip ────────────────────────────────────────────── */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-2);
    background: var(--color-gray-800);
    color: #fff;
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    margin-bottom: 4px;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
    .sidebar, .top-bar, .mobile-menu-toggle { display: none !important; }
    .main-content { margin-left: 0; }
    .page-body { padding: 0; }
    .btn { display: none !important; }
}