/* --- Enhanced Modern SaaS Design Variables --- */
:root {
    /* Primary Colors - Professional Blue Gradient */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-gradient-hover: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    --primary-color: #667eea;
    --primary-hover: #5a67d8;
    --primary-light: #edf2f7;
    --primary-dark: #4c51bf;
    
    /* Secondary Gradients */
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --error-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --info-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    
    /* Neutrals - Clean & Modern */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Enhanced Shadows & Effects */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Button Shadows */
    --button-shadow: 0 4px 14px 0 rgba(102, 126, 234, 0.39);
    --button-shadow-hover: 0 6px 20px 0 rgba(102, 126, 234, 0.5);
    --secondary-button-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.1);
    --secondary-button-shadow-hover: 0 4px 12px 0 rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* 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;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* --- Header - Modern Navigation --- */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    font-weight: 500;
}

/* --- Hero Section & Main Layout --- */
.hero {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--space-16) 0 var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.hero p {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.main-content {
    padding: var(--space-16) 0;
    position: relative;
    margin-top: -var(--space-8);
}

.app-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
}

/* --- Input Section - Left Panel --- */
.input-section {
    padding: var(--space-8);
    background: var(--gray-50);
    border-right: 1px solid var(--gray-200);
}

.input-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
}

.form-group label::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    resize: vertical;
    box-shadow: var(--shadow-sm);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), var(--shadow-md);
    background: var(--white);
    transform: translateY(-2px);
}

.form-group textarea {
    min-height: 200px;
    font-family: var(--font-family);
    line-height: 1.6;
}

.cta-button {
    width: 100%;
    padding: var(--space-5) var(--space-8);
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--button-shadow);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.cta-button:hover {
    background: var(--primary-gradient-hover);
    transform: translateY(-3px);
    box-shadow: var(--button-shadow-hover);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(-1px);
    box-shadow: var(--button-shadow);
}

.cta-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

.cta-button:disabled::before {
    display: none;
}

/* --- Output Section - Right Panel --- */
.output-section {
    padding: var(--space-8);
    background: var(--white);
    display: flex;
    flex-direction: column;
}

.placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    color: var(--gray-400);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--gray-300);
    padding: var(--space-8);
}

.placeholder h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--gray-600);
}

.placeholder p {
    font-size: var(--font-size-base);
    color: var(--gray-500);
}

/* --- Results Card - Enhanced Design --- */
.results-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border-radius: 20px;
    padding: var(--space-10);
    animation: slideInUp 0.6s ease-out;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.results-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
}

.results-card::after {
    content: '✨';
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: var(--font-size-2xl);
    opacity: 0.2;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.overall-score {
    text-align: center;
    margin-bottom: var(--space-10);
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    position: relative;
    border: 3px solid transparent;
    background-clip: padding-box;
    box-shadow: var(--shadow-lg);
}

.overall-score::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--primary-gradient);
    border-radius: 20px;
    z-index: -1;
}

.overall-score h3 {
    font-size: 5rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-3);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    display: inline-block;
}

.overall-score h3::after {
    content: '💯';
    position: absolute;
    top: -10px;
    right: -40px;
    font-size: var(--font-size-xl);
    filter: grayscale(100%);
    opacity: 0.3;
}

.verdict {
    text-align: center;
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-10);
    padding: var(--space-6) var(--space-8);
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
    color: var(--gray-800);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    position: relative;
    line-height: 1.4;
    letter-spacing: 0.025em;
}

.verdict::before {
    content: '🎯';
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    font-size: var(--font-size-lg);
}

.verdict::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

/* --- Category Breakdown --- */
.feedback-section {
    space-y: var(--space-6);
}

.category-score {
    margin-bottom: var(--space-8);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border-radius: 16px;
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.category-score::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.category-score:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.category-score:hover::before {
    width: 12px;
}

.category-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.category-title span:first-child {
    font-weight: 700;
    color: var(--gray-800);
    font-size: var(--font-size-lg);
    text-transform: capitalize;
    letter-spacing: 0.025em;
}

.category-title span:last-child {
    font-weight: 800;
    color: var(--white);
    font-size: var(--font-size-lg);
    background: var(--primary-gradient);
    padding: var(--space-2) var(--space-4);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    min-width: 60px;
    text-align: center;
}
    box-shadow: var(--shadow-sm);
}

.category-feedback {
    color: var(--gray-600);
    background: var(--white);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    box-shadow: var(--shadow-sm);
}

/* --- Footer --- */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    text-align: center;
    padding: var(--space-8) 0;
    margin-top: var(--space-16);
}

.footer p {
    font-size: var(--font-size-sm);
}

/* Loading and Error States */
.loading-state,
.error-state {
    text-align: center;
    padding: var(--space-12) var(--space-8);
    border-radius: 20px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.loading-state::before,
.error-state::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
}

.error-state::before {
    background: var(--error-gradient);
}

.loading-state h3,
.error-state h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--gray-800);
}

.loading-state p,
.error-state p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-6);
    background: conic-gradient(from 0deg, var(--primary-color), var(--primary-hover), var(--primary-color));
    mask: radial-gradient(circle, transparent 50%, black 50%);
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    display: block;
}

.retry-button {
    background: var(--error-gradient);
    color: var(--white);
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: 12px;
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--secondary-button-shadow);
}

.retry-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--secondary-button-shadow-hover);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.retry-button {
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.retry-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* --- Responsive Design - Mobile First --- */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero p {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .logo {
        font-size: var(--font-size-xl);
    }
    
    .hero {
        padding: var(--space-12) 0 var(--space-8);
    }
    
    .hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .hero p {
        font-size: var(--font-size-base);
    }
    
    .main-content {
        padding: var(--space-8) 0;
        margin-top: -var(--space-6);
    }
    
    .two-column {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .input-section {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: var(--space-6);
    }
    
    .output-section {
        padding: var(--space-6);
    }
    
    .overall-score h3 {
        font-size: 3rem;
    }
    
    .category-score {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-2);
    }
    
    .hero {
        padding: var(--space-8) 0 var(--space-6);
    }
    
    .hero h1 {
        font-size: var(--font-size-xl);
    }
    
    .main-content {
        padding: var(--space-6) 0;
        margin-top: -var(--space-4);
    }
    
    .app-container {
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .input-section,
    .output-section {
        padding: var(--space-4);
    }
    
    .input-section h2 {
        font-size: var(--font-size-xl);
    }
    
    .form-group input,
    .form-group textarea {
        padding: var(--space-3);
    }
    
    .form-group textarea {
        min-height: 120px;
    }
    
    .cta-button {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-base);
    }
    
    .overall-score {
        padding: var(--space-4);
    }
    
    .overall-score h3 {
        font-size: 2.5rem;
    }
    
    .results-card {
        padding: var(--space-4);
    }
    
    .category-title {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    
    .category-title span:last-child {
        align-self: flex-end;
    }
}

/* --- Loading States & Animations --- */
.analyzing {
    position: relative;
}

.analyzing::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--white);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Utility Classes --- */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

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

/* --- Focus Styles for Accessibility --- */
.cta-button:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* --- High contrast mode support --- */
@media (prefers-contrast: high) {
    :root {
        --gray-50: #ffffff;
        --gray-100: #f0f0f0;
        --gray-200: #e0e0e0;
        --primary-color: #0066cc;
    }
}

/* --- Reduced motion support --- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === QUICK WINS FEATURES === */

/* --- Dark Mode Variables --- */
:root {
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --border-color: var(--gray-200);
    --card-bg: var(--white);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --card-bg: #1e293b;
    --primary-light: #374151;
    
    /* Enhanced dark mode colors */
    --dark-card-bg: #1e293b;
    --dark-input-bg: #334155;
    --dark-border: #475569;
    --dark-hover-bg: #475569;
    --dark-accent: #3b82f6;
}

/* --- Character Counter --- */
.character-counter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xs);
    font-weight: 600;
    transition: all 0.3s ease;
}

.character-counter span:first-child {
    font-weight: 700;
    color: var(--primary-color);
}

.optimal-range {
    color: var(--success);
    font-weight: 600;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.character-counter.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    border-color: var(--warning);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.1);
}

.character-counter.warning .optimal-range {
    color: var(--warning);
}

.character-counter.warning span:first-child {
    color: var(--warning);
}

.character-counter.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-color: var(--error);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

.character-counter.error .optimal-range {
    color: var(--error);
}

.character-counter.error span:first-child {
    color: var(--error);
}

/* --- Quick Templates --- */
.quick-templates {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--space-8);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.quick-templates::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.quick-templates h3 {
    margin: 0 0 var(--space-6) 0;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-align: center;
}

.template-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
}

.template-btn {
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--secondary-button-shadow);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
}

.template-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.template-btn:hover {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--secondary-button-shadow-hover);
}

.template-btn:hover::before {
    left: 100%;
}

.template-btn:active {
    transform: translateY(0);
}

/* --- Theme Toggle --- */
.theme-toggle {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%) !important;
    border: 2px solid var(--border-color) !important;
    border-radius: 10px !important;
    padding: var(--space-3) var(--space-5) !important;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary) !important;
    text-decoration: none !important;
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: var(--secondary-button-shadow);
    position: relative;
    overflow: hidden;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.theme-toggle:hover {
    background: var(--primary-gradient) !important;
    border-color: var(--primary-color) !important;
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: var(--secondary-button-shadow-hover);
}

.theme-toggle:hover::before {
    left: 100%;
}

/* --- Email Preview --- */
.email-preview {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--space-8);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    margin-top: var(--space-8);
    box-shadow: var(--shadow-lg);
    display: none;
    position: relative;
    overflow: hidden;
}

.email-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--info-gradient);
}

.email-preview.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

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

.email-preview h3 {
    margin: 0 0 var(--space-6) 0;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-align: center;
}

.preview-container {
    background: var(--white);
    padding: var(--space-8);
    border-radius: 12px;
    border: 2px solid var(--gray-100);
    margin-bottom: var(--space-6);
    font-family: Georgia, serif;
    box-shadow: var(--shadow-inner);
    position: relative;
}

.preview-container::before {
    content: '✉️';
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: var(--font-size-lg);
    opacity: 0.3;
}

.preview-subject {
    margin-bottom: var(--space-6);
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--gray-100);
}

.preview-body {
    color: var(--text-primary);
    line-height: 1.7;
    white-space: pre-wrap;
    font-size: var(--font-size-base);
}

/* --- Export Section --- */
.export-section {
    margin-top: var(--space-8);
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    display: none;
    position: relative;
    overflow: hidden;
}

.export-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--success-gradient);
}

.export-section.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

.export-section::after {
    content: '📤 Export Your Results';
    display: block;
    text-align: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.export-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-4);
}

.secondary-button {
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    box-shadow: var(--secondary-button-shadow);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
}

.secondary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left 0.5s;
}

.secondary-button:hover {
    background: var(--success-gradient);
    border-color: var(--success);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--secondary-button-shadow-hover);
}

.secondary-button:hover::before {
    left: 100%;
}

.secondary-button:active {
    transform: translateY(0);
}

/* Special styling for different export button types */
.secondary-button[id="export-pdf"]:hover {
    background: var(--error-gradient);
    border-color: var(--error);
}

.secondary-button[id="export-html"]:hover {
    background: var(--info-gradient);
    border-color: var(--info);
}

.secondary-button[id="copy-results"]:hover {
    background: var(--success-gradient);
    border-color: var(--success);
}

/* --- Dark Mode Application --- */
[data-theme="dark"] body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .header {
    background: var(--bg-primary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

[data-theme="dark"] .main-content {
    background: var(--bg-primary);
}

[data-theme="dark"] .footer {
    background: var(--bg-secondary);
    border-top-color: var(--border-color);
}

/* Enhanced Dark Mode Form Styling */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: var(--dark-accent);
    background: var(--dark-hover-bg);
}

[data-theme="dark"] .form-group label {
    color: var(--text-primary);
}

/* Enhanced Dark Mode Cards */
[data-theme="dark"] .quick-templates,
[data-theme="dark"] .email-preview,
[data-theme="dark"] .export-section {
    background: linear-gradient(135deg, var(--dark-card-bg) 0%, var(--bg-secondary) 100%);
    border-color: var(--dark-border);
}

[data-theme="dark"] .results-container {
    background: var(--dark-card-bg);
    border-color: var(--dark-border);
}

[data-theme="dark"] .overall-score {
    background: linear-gradient(135deg, var(--dark-card-bg) 0%, var(--bg-secondary) 100%);
    border-color: var(--dark-border);
}

[data-theme="dark"] .analysis-result {
    background: var(--dark-card-bg);
    border-color: var(--dark-border);
}

[data-theme="dark"] .category-item {
    background: linear-gradient(135deg, var(--dark-input-bg) 0%, var(--dark-card-bg) 100%);
    border-color: var(--dark-border);
}

[data-theme="dark"] .category-item:hover {
    background: var(--dark-hover-bg);
    border-color: var(--dark-accent);
}

/* Enhanced Dark Mode Buttons */
[data-theme="dark"] .template-btn,
[data-theme="dark"] .secondary-button {
    background: linear-gradient(135deg, var(--dark-input-bg) 0%, var(--dark-card-bg) 100%);
    border-color: var(--dark-border);
    color: var(--text-primary);
}

[data-theme="dark"] .template-btn:hover,
[data-theme="dark"] .secondary-button:hover {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: var(--white);
}

[data-theme="dark"] .theme-toggle {
    background: linear-gradient(135deg, var(--dark-input-bg) 0%, var(--dark-card-bg) 100%) !important;
    border-color: var(--dark-border) !important;
    color: var(--text-primary) !important;
}

/* Enhanced Dark Mode Character Counter */
[data-theme="dark"] .character-counter {
    background: linear-gradient(135deg, var(--dark-input-bg) 0%, var(--dark-card-bg) 100%);
    border-color: var(--dark-border);
    color: var(--text-secondary);
}

[data-theme="dark"] .character-counter span:first-child {
    color: var(--dark-accent);
}

/* Enhanced Dark Mode Preview */
[data-theme="dark"] .preview-container {
    background: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--text-primary);
}

[data-theme="dark"] .preview-subject {
    color: var(--text-primary);
    border-bottom-color: var(--dark-border);
}

[data-theme="dark"] .preview-body {
    color: var(--text-secondary);
}

/* Enhanced Dark Mode Score Display */
[data-theme="dark"] .score-display {
    background: linear-gradient(135deg, var(--dark-card-bg) 0%, var(--bg-secondary) 100%);
    border-color: var(--dark-border);
    color: var(--text-primary);
}

[data-theme="dark"] .verdict {
    color: var(--text-primary);
}

/* Enhanced Dark Mode Navigation */
[data-theme="dark"] .nav-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-links a:hover {
    color: var(--text-primary);
}

/* Enhanced Dark Mode Analysis Cards */
[data-theme="dark"] .breakdown-item {
    background: linear-gradient(135deg, var(--dark-input-bg) 0%, var(--dark-card-bg) 100%);
    border-color: var(--dark-border);
}

[data-theme="dark"] .improvement-suggestions {
    background: var(--dark-card-bg);
    border-color: var(--dark-border);
}

[data-theme="dark"] .suggestion-item {
    background: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--text-primary);
}

/* Enhanced Dark Mode Gradients */
[data-theme="dark"] .quick-templates::before,
[data-theme="dark"] .email-preview::before {
    background: linear-gradient(90deg, var(--dark-accent), var(--primary-color));
}

[data-theme="dark"] .export-section::before {
    background: linear-gradient(90deg, var(--success), #10b981);
}

/* --- Responsive Design for New Features --- */
@media (max-width: 768px) {
    .template-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .export-buttons {
        grid-template-columns: 1fr;
    }
    
    .character-counter {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
}

/* --- Animation for Theme Transition --- */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Enhanced Dark Mode Shadows and Glows */
[data-theme="dark"] .quick-templates,
[data-theme="dark"] .email-preview,
[data-theme="dark"] .export-section,
[data-theme="dark"] .results-container {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .template-btn:hover,
[data-theme="dark"] .secondary-button:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3), 0 0 0 1px rgba(59, 130, 246, 0.5);
}

[data-theme="dark"] .overall-score {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .category-item {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .category-item:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2), 0 0 0 1px rgba(59, 130, 246, 0.4);
}

/* Enhanced Dark Mode Text Contrast */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-primary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .hero h1 {
    background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .hero p {
    color: var(--text-secondary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Enhanced Dark Mode Form Focus States */
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3), 0 4px 16px rgba(0, 0, 0, 0.2);
    background: var(--dark-hover-bg);
}

/* Enhanced Dark Mode Score Display */
[data-theme="dark"] .score-number {
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .score-display.excellent .score-number {
    color: #22c55e;
}

[data-theme="dark"] .score-display.good .score-number {
    color: #3b82f6;
}

[data-theme="dark"] .score-display.fair .score-number {
    color: #f59e0b;
}

[data-theme="dark"] .score-display.poor .score-number {
    color: #ef4444;
}

/* Enhanced Dark Mode Loading States */
[data-theme="dark"] .analyzing::after {
    border-color: var(--text-secondary);
    border-top-color: var(--dark-accent);
}

/* Enhanced Dark Mode Placeholder Text */
[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Enhanced Dark Mode Navigation */
[data-theme="dark"] .nav-container {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
}

/* Enhanced Dark Mode Footer */
[data-theme="dark"] .footer {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-top: 1px solid var(--dark-border);
}

[data-theme="dark"] .footer p {
    color: var(--text-secondary);
}

/* Enhanced Dark Mode Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--dark-border);
    border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--dark-hover-bg);
}

/* Enhanced Dark Mode Placeholder Section */
[data-theme="dark"] .placeholder {
    background: linear-gradient(135deg, var(--dark-card-bg) 0%, var(--bg-secondary) 100%);
    border: 2px solid var(--dark-border);
    color: var(--text-primary);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .placeholder h3 {
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--dark-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .placeholder p {
    color: var(--text-secondary);
}

/* Enhanced Dark Mode Score Ring/Circle */
[data-theme="dark"] .score-ring {
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
}

[data-theme="dark"] .score-ring circle {
    stroke: var(--dark-border);
}

/* Enhanced Dark Mode Input Labels */
[data-theme="dark"] .form-group label {
    color: var(--text-primary);
    font-weight: 600;
}

/* Enhanced Dark Mode Category Score Badges */
[data-theme="dark"] .category-score {
    background: linear-gradient(135deg, var(--dark-accent) 0%, var(--primary-color) 100%);
    color: var(--white);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* Enhanced Dark Mode Success/Warning States */
[data-theme="dark"] .character-counter.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.08) 100%);
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .character-counter.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.08) 100%);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.2);
}

/* Enhanced Dark Mode CTA Button */
[data-theme="dark"] .cta-button {
    box-shadow: var(--primary-button-shadow), 0 0 0 1px rgba(102, 126, 234, 0.2);
}

[data-theme="dark"] .cta-button:hover {
    box-shadow: var(--primary-button-shadow-hover), 0 0 0 1px rgba(102, 126, 234, 0.4);
}

/* Enhanced Dark Mode Two Column Layout */
[data-theme="dark"] .input-section,
[data-theme="dark"] .output-section {
    background: transparent;
}

/* Enhanced Dark Mode Overall Score Number */
[data-theme="dark"] .overall-score .score-number {
    color: var(--text-primary);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    font-weight: 900;
}

/* Enhanced Dark Mode Logo */
[data-theme="dark"] .logo {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--dark-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .tagline {
    color: var(--text-secondary);
}

/* --- Authentication Page Styles --- */
.auth-container {
    max-width: 450px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.auth-toggle {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.auth-toggle button {
    flex: 1;
    padding: 1rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: #6c757d;
    border-bottom: 3px solid transparent;
}

.auth-toggle button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

#auth-message {
    text-align: center;
    margin-top: 1rem;
    font-weight: 500;
}

a.logo {
    text-decoration: none;
    color: inherit;
}

/* === AI REWRITE FEATURES === */

.ai-rewrite-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.ai-rewrite-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.ai-rewrite-section h3 {
    color: var(--gray-800);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.ai-rewrite-section p {
    color: var(--gray-600);
    margin-bottom: var(--space-5);
    font-size: var(--font-size-base);
}

.rewrite-context {
    margin-bottom: var(--space-5);
}

.rewrite-context h4 {
    color: var(--gray-700);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.context-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
}

.context-grid input {
    padding: var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
}

.context-grid input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Rewrite Results Styles */
.rewrite-results {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.rewrite-results h3 {
    color: var(--gray-800);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-5);
    text-align: center;
}

.score-comparison {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.score-item {
    text-align: center;
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    min-width: 100px;
}

.score-arrow {
    font-size: var(--font-size-2xl);
    color: var(--gray-400);
    font-weight: bold;
}

.score-improvement {
    text-align: center;
    padding: var(--space-4);
    background: var(--success-gradient);
    color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 120px;
}

.score-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--space-1);
}

.score-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    opacity: 0.8;
}

.email-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.email-column h4 {
    color: var(--gray-700);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.email-preview-box {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    min-height: 200px;
}

.email-preview-box.improved {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid var(--success);
    position: relative;
}

.email-preview-box.improved::before {
    content: '✨';
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--success);
    color: var(--white);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-md);
}

.email-subject {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--gray-200);
    min-height: 1.5em;
}

.email-body {
    color: var(--gray-700);
    line-height: 1.6;
    white-space: pre-wrap;
    min-height: 2em;
}

.rewrite-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

/* Rewrite Details Styles */
.rewrite-details {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.rewrite-details h3 {
    color: var(--gray-800);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.improvement-item {
    background: var(--gray-50);
    border-left: 4px solid var(--success);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.improvement-item h4 {
    color: var(--gray-800);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.improvement-item p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
}

.improvement-item .example {
    background: var(--white);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

/* Loading State for Rewrite */
.rewrite-loading {
    text-align: center;
    padding: var(--space-8);
}

.rewrite-loading .loading-spinner {
    margin: 0 auto var(--space-4);
}

.rewrite-loading h3 {
    color: var(--gray-800);
    margin-bottom: var(--space-2);
}

.rewrite-loading p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* Dark Mode Support for AI Rewrite */
[data-theme="dark"] .ai-rewrite-section,
[data-theme="dark"] .rewrite-results,
[data-theme="dark"] .rewrite-details {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .ai-rewrite-section h3,
[data-theme="dark"] .rewrite-results h3,
[data-theme="dark"] .rewrite-details h3 {
    color: var(--gray-100);
}

[data-theme="dark"] .ai-rewrite-section p,
[data-theme="dark"] .rewrite-context h4 {
    color: var(--gray-300);
}

[data-theme="dark"] .context-grid input {
    background: var(--gray-700);
    border-color: var(--gray-600);
    color: var(--gray-100);
}

[data-theme="dark"] .context-grid input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

[data-theme="dark"] .score-comparison {
    background: var(--gray-700);
}

[data-theme="dark"] .score-item {
    background: var(--gray-800);
    color: var(--gray-100);
}

[data-theme="dark"] .email-preview-box {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

[data-theme="dark"] .email-preview-box.improved {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    border-color: var(--success);
}

[data-theme="dark"] .email-subject,
[data-theme="dark"] .email-body {
    color: var(--gray-200);
}

[data-theme="dark"] .email-subject {
    border-bottom-color: var(--gray-600);
}

[data-theme="dark"] .improvement-item {
    background: var(--gray-700);
    color: var(--gray-200);
}

[data-theme="dark"] .improvement-item h4 {
    color: var(--gray-100);
}

[data-theme="dark"] .improvement-item p {
    color: var(--gray-300);
}

[data-theme="dark"] .improvement-item .example {
    background: var(--gray-800);
    border-color: var(--gray-600);
    color: var(--gray-200);
}

/* Mobile Responsiveness for AI Rewrite */
@media (max-width: 768px) {
    .context-grid {
        grid-template-columns: 1fr;
    }
    
    .score-comparison {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .email-comparison {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .rewrite-actions {
        flex-direction: column;
    }
    
    .rewrite-actions button {
        width: 100%;
    }
}