/* =====================================================
   X2 BUSINESS GROWTH DIAGNOSTIC - STYLES
   A clean, professional design with warmth
   ===================================================== */

/* CSS Variables */
:root {
    /* Primary palette - warm navy with coral accent */
    --color-primary: #1e3a5f;
    --color-primary-light: #2d4a6f;
    --color-primary-dark: #152a47;
    --color-accent: #e85a4f;
    --color-accent-light: #ff6b5b;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* RAG Status Colors */
    --color-red: #dc3545;
    --color-red-bg: #fdf2f2;
    --color-red-border: #f5c6cb;
    --color-amber: #f59e0b;
    --color-amber-bg: #fffbeb;
    --color-amber-border: #fcd34d;
    --color-green: #10b981;
    --color-green-bg: #ecfdf5;
    --color-green-border: #6ee7b7;
    
    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-gray-100) 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 680px;
    margin: 0 auto;
    padding: var(--space-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Screen Management */
.screen {
    display: flex;
    flex-direction: column;
    flex: 1;
    animation: fadeIn var(--transition-normal) ease;
}

.screen.hidden {
    display: none;
}

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

/* Loading Overlay */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

#loadingOverlay.hidden {
    display: none;
}

.loading-content {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-lg);
}

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

.loading-message {
    font-size: 1.125rem;
    color: var(--color-primary);
    font-weight: 500;
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.logo {
    max-width: 180px;
    height: auto;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
}

strong {
    font-weight: 600;
    color: var(--color-primary);
}

/* =====================================================
   INTRO SCREEN
   ===================================================== */
.intro-title {
    text-align: center;
    margin-bottom: var(--space-sm);
    font-size: 1.875rem;
}

.intro-subtitle {
    text-align: center;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
}

.intro-content {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
}

.intro-content p {
    color: var(--color-gray-700);
}

.intro-content .btn {
    width: 100%;
    margin-top: 2rem;
}

.intro-features {
    background: var(--color-gray-100);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.intro-features h3 {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.intro-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.intro-features li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-gray-700);
}

.intro-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 700;
}

.intro-time {
    text-align: center;
    font-weight: 500;
    color: var(--color-gray-600);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-primary);
    background: var(--color-gray-100);
}

.btn-full {
    width: 100%;
}

.btn-arrow {
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.btn:hover:not(:disabled) .btn-arrow {
    transform: translateX(3px);
}

.btn-secondary:hover:not(:disabled) .btn-arrow {
    transform: translateX(-3px);
}

.btn-container {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.btn-container .btn {
    flex: 1;
}

/* =====================================================
   SCREEN HEADER
   ===================================================== */
.screen-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.screen-header h2 {
    margin-bottom: var(--space-sm);
}

.screen-header p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.area-indicator {
    display: inline-block;
    background: var(--color-gray-200);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: var(--space-sm);
    border: 2px solid var(--color-primary);
}

/* =====================================================
   PROGRESS BAR
   ===================================================== */
.progress-container {
    margin-bottom: var(--space-xl);
}

.progress-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 4px;
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* =====================================================
   QUESTION CONTAINER
   ===================================================== */
.question-container {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.question-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
    line-height: 1.4;
}

/* Scale Options (1-5) */
.scale-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.scale-option {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scale-option:hover {
    background: var(--color-gray-200);
    border-color: var(--color-gray-300);
}

.scale-option.selected {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.scale-option input {
    display: none;
}

.scale-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-right: var(--space-md);
    flex-shrink: 0;
}

.scale-option.selected .scale-number {
    background: var(--color-white);
    color: var(--color-primary);
}

.scale-label {
    font-size: 0.9375rem;
    line-height: 1.4;
}

/* Text Input */
.text-input {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.text-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.text-input::placeholder {
    color: var(--color-gray-500);
}

/* Textarea */
textarea.text-input {
    min-height: 100px;
    resize: vertical;
}

/* Select Dropdown */
.select-input {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    cursor: pointer;
    transition: border-color var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 20px;
    padding-right: var(--space-3xl);
}

.select-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* =====================================================
   EMAIL FORM
   ===================================================== */
.email-form-container {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.email-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input[type="email"],
.form-group input[type="text"] {
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.checkbox-group label {
    font-weight: 400;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    cursor: pointer;
}

/* =====================================================
   RESULTS SCREEN
   ===================================================== */
.results-container {
    animation: fadeIn var(--transition-slow) ease;
}

.results-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

/* Diagram Container */
.diagram-container {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.diagram-container svg {
    max-width: 100%;
    height: auto;
}

/* Context Summary */
.context-summary {
    background: var(--color-gray-100);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.context-summary h3 {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.context-summary p {
    margin-bottom: var(--space-xs);
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

.context-summary p:last-child {
    margin-bottom: 0;
}

/* Primary Constraint */
.primary-constraint {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.primary-constraint h3 {
    color: var(--color-white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
    opacity: 0.9;
}

.primary-constraint .constraint-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.primary-constraint p {
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* Results Grid */
.results-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* Result Card */
.result-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border-left: 4px solid var(--color-gray-300);
    transition: all var(--transition-fast);
}

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

.result-card.status-red {
    border-left-color: var(--color-red);
}

.result-card.status-amber {
    border-left-color: var(--color-amber);
}

.result-card.status-green {
    border-left-color: var(--color-green);
}

.result-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
}

.result-card-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.result-card-title h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.status-badge {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.red {
    background: var(--color-red-bg);
    color: var(--color-red);
}

.status-badge.amber {
    background: var(--color-amber-bg);
    color: var(--color-amber);
}

.status-badge.green {
    background: var(--color-green-bg);
    color: var(--color-green);
}

.result-card-score {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.result-card-body {
    padding: 0 var(--space-lg) var(--space-lg);
}

.result-card-body p {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    margin-bottom: 0.5em;
}

.result-card-body p:last-child {
    margin-bottom: 0;
}

.expand-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    transition: transform var(--transition-fast);
}

.result-card.expanded .expand-icon {
    transform: rotate(180deg);
}

/* Results Actions */
.results-actions {
    margin-top: var(--space-xl);
}

.email-results-section {
    background: var(--color-gray-100);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.email-results-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.email-results-section p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.email-sent-message {
    color: var(--color-green);
    font-weight: 500;
    margin-top: var(--space-md);
}

.email-sent-message.hidden {
    display: none;
}

/* Score Legend */
.score-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

/* Report Opening and Closing */
.report-section {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
}

.report-opening {
    border-left: 4px solid var(--color-primary);
}

.report-closing {
    border-left: 4px solid var(--color-green);
}

.report-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.report-section p {
    color: var(--color-gray-700);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.75em;;
}

.report-section p:last-child {
    margin-bottom: 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.red {
    background: var(--color-red);
}

.legend-dot.amber {
    background: var(--color-amber);
}

.legend-dot.green {
    background: var(--color-green);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 640px) {
    .container {
        padding: var(--space-md);
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .intro-title {
        font-size: 1.5rem;
    }
    
    .intro-content {
        padding: var(--space-lg);
    }
    
    .question-container {
        padding: var(--space-lg);
    }
    
    .question-text {
        font-size: 1.125rem;
    }
    
    .btn-container {
        flex-direction: column-reverse;
    }
    
    .scale-option {
        padding: var(--space-sm) var(--space-md);
    }
    
    .scale-label {
        font-size: 0.875rem;
    }
    
    .score-legend {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: center;
    }
    
    .result-card-header {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .result-card-score {
        order: 3;
        width: 100%;
        text-align: left;
        padding-left: 44px;
    }
}

/* Video link styling */
.video-link-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.video-link {
    display: inline-block;
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.video-link:hover {
    color: #0052a3;
    text-decoration: underline;
}

/* Status-specific video link colors (optional enhancement) */
.result-card.status-red .video-link {
    color: #c53030;
}

.result-card.status-red .video-link:hover {
    color: #9b2c2c;
}

.result-card.status-amber .video-link {
    color: #d69e2e;
}

.result-card.status-amber .video-link:hover {
    color: #b7791f;
}

.result-card.status-green .video-link {
    color: #38a169;
}

.result-card.status-green .video-link:hover {
    color: #2f855a;
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}