/* ============================================
   ResumeAI - Premium Resume Builder
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a24;
    --color-border: #2a2a3a;
    --color-text: #ffffff;
    --color-text-secondary: #8a8a9a;
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-accent: #22d3ee;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-accent: linear-gradient(135deg, #22d3ee 0%, #6366f1 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    color: var(--color-text);
}

.logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    background: var(--color-border);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.full-width {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 160px 0 80px;
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-note {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   App Section
   ============================================ */
.app-section {
    padding: 60px 0;
}

.app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* Form Panel */
.form-panel {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid var(--color-border);
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.form-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.template-selector {
    display: flex;
    gap: 8px;
}

.template-btn {
    padding: 8px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.template-btn:hover {
    border-color: var(--color-primary);
}

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

/* Form Sections */
.form-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.section-icon {
    font-size: 1.2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.input-hint {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    opacity: 0.7;
}

/* AI & Add Buttons */
.ai-btn {
    margin-left: auto;
    padding: 6px 12px;
    background: var(--gradient-accent);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.ai-btn:hover {
    transform: scale(1.05);
}

.ai-btn-small {
    padding: 4px 8px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 4px;
    color: var(--color-bg);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.add-btn {
    margin-left: auto;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.add-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Experience/Education Items */
.experience-item,
.education-item {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
}

.remove-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: var(--color-error);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.remove-btn:hover {
    opacity: 1;
}

/* Preview Panel */
.preview-panel {
    position: sticky;
    top: 90px;
    height: fit-content;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.preview-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.preview-container {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 8.5/11;
}

.resume-preview {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 40px;
    color: #1a1a24;
    font-size: 10px;
    overflow: auto;
}

.resume-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: bold;
    color: rgba(99, 102, 241, 0.15);
    pointer-events: none;
    text-align: center;
    white-space: nowrap;
}

.resume-watermark.hidden {
    display: none;
}

/* ============================================
   Resume Template Styles
   ============================================ */
.resume-content {
    font-family: 'Inter', sans-serif;
}

.resume-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #6366f1;
}

.resume-name {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a24;
    margin-bottom: 4px;
}

.resume-title {
    font-size: 14px;
    color: #6366f1;
    font-weight: 500;
    margin-bottom: 10px;
}

.resume-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 10px;
    color: #666;
}

.resume-section {
    margin-bottom: 16px;
}

.resume-section-title {
    font-size: 12px;
    font-weight: 700;
    color: #1a1a24;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    padding-bottom: 4px;
    border-bottom: 1px solid #ddd;
}

.resume-summary {
    font-size: 10px;
    color: #444;
    line-height: 1.6;
}

.resume-exp-item,
.resume-edu-item {
    margin-bottom: 12px;
}

.resume-exp-header,
.resume-edu-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.resume-exp-title,
.resume-edu-degree {
    font-size: 11px;
    font-weight: 600;
    color: #1a1a24;
}

.resume-exp-company,
.resume-edu-school {
    font-size: 10px;
    color: #6366f1;
}

.resume-exp-date,
.resume-edu-year {
    font-size: 10px;
    color: #888;
}

.resume-exp-desc {
    font-size: 10px;
    color: #444;
    line-height: 1.5;
}

.resume-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.resume-skill {
    padding: 3px 8px;
    background: #f0f0f5;
    border-radius: 4px;
    font-size: 9px;
    color: #444;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-section {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-primary);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li.disabled {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: 48px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    position: relative;
    border: 1px solid var(--color-border);
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.modal-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.modal-features {
    text-align: left;
    margin-bottom: 24px;
}

.feature-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.modal-price {
    margin-bottom: 24px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
}

.price-period {
    color: var(--color-text-secondary);
}

.modal-note {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 16px;
}

/* ============================================
   Loading Overlay
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-panel {
        position: relative;
        top: 0;
    }
    
    .preview-container {
        max-height: 600px;
    }
}

@media (max-width: 768px) {
    .header-content {
        height: 60px;
    }
    
    .nav {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}