/**
 * Auth Page - Professional Landing Page Styling
 * 
 * Full landing page with multiple sections:
 * - Hero with animated background
 * - Demo video section
 * - Features grid
 * - Testimonials
 * - Auth form
 * 
 * Supports both light and dark themes
 */

/* ===========================================
   LANDING PAGE BASE
   =========================================== */
.landing-page {
    min-height: 100vh;
    background: #f0eef8;
    overflow-x: hidden;
}

[data-theme="dark"] .landing-page {
    background: #0a0a14;
}

/* ===========================================
   FIXED NAVIGATION
   =========================================== */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.landing-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
}

[data-theme="dark"] .landing-nav.scrolled {
    background: rgba(10, 10, 20, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.landing-nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.landing-nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.landing-nav-logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    overflow: hidden;
}

.landing-nav-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    transition: color 0.3s ease;
}

.landing-nav.scrolled .landing-nav-logo span {
    color: #191970;
}

[data-theme="dark"] .landing-nav.scrolled .landing-nav-logo span {
    color: white;
}

.landing-nav-links {
    display: flex;
    gap: 8px;
}

.landing-nav-links button {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.landing-nav.scrolled .landing-nav-links button {
    color: #7272a8;
}

[data-theme="dark"] .landing-nav.scrolled .landing-nav-links button {
    color: #94a3b8;
}

.landing-nav-links button:hover,
.landing-nav-links button.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.landing-nav.scrolled .landing-nav-links button:hover,
.landing-nav.scrolled .landing-nav-links button.active {
    background: rgba(79, 124, 130, 0.1);
    color: #d000d0;
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.landing-nav-theme {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.landing-nav.scrolled .landing-nav-theme {
    background: #e4e0f2;
    color: #7272a8;
}

[data-theme="dark"] .landing-nav.scrolled .landing-nav-theme {
    background: #1e293b;
    color: #94a3b8;
}

.landing-nav-cta {
    padding: 10px 24px;
    background: white;
    border: none;
    border-radius: 10px;
    color: #d000d0;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.landing-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.landing-nav.scrolled .landing-nav-cta {
    background: linear-gradient(135deg, #d000d0 0%, #00cccc 100%);
    color: white;
}

/* ===========================================
   HERO SECTION
   =========================================== */
.landing-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.landing-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(79, 124, 130, 0.4) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(147, 51, 234, 0.4) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    animation: particleFloat 10s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(20px);
        opacity: 0;
    }
}

.landing-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #fcd34d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-cta-primary,
.hero-cta-secondary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.hero-cta-primary {
    background: white;
    color: #d000d0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.hero-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.hero-cta-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-stat .stat-icon {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.hero-stat .stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
}

.hero-stat .stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    cursor: pointer;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===========================================
   SECTION COMMON STYLES
   =========================================== */
.landing-section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(79, 124, 130, 0.1) 0%, rgba(147, 177, 181, 0.1) 100%);
    border-radius: 50px;
    color: #d000d0;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

[data-theme="dark"] .section-label {
    background: rgba(99, 102, 241, 0.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: #191970;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

[data-theme="dark"] .section-title {
    color: white;
}

.section-description {
    font-size: 1.125rem;
    color: #7272a8;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

[data-theme="dark"] .section-description {
    color: #94a3b8;
}

/* ===========================================
   DEMO VIDEO SECTION
   =========================================== */
.landing-demo {
    padding: 100px 0;
    background: #f0eef8;
}

[data-theme="dark"] .landing-demo {
    background: #0f0f1a;
}

.demo-video-container {
    max-width: 900px;
    margin: 0 auto 60px;
}

.demo-video-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.demo-video-wrapper:hover {
    transform: scale(1.02);
}

[data-theme="dark"] .demo-video-wrapper {
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
}

.demo-video-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #191970 0%, #2b2b8a 100%);
}

.demo-video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
    transition: background 0.3s ease;
}

.demo-video-wrapper:hover .demo-video-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.demo-play-btn {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: none;
    border-radius: 50%;
    color: #d000d0;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.demo-play-btn:hover {
    transform: scale(1.1);
}

.demo-video-overlay span {
    color: white;
    font-size: 1rem;
    font-weight: 500;
}

/* Demo Preview (Mock App Screen) */
.demo-preview {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
}

.demo-preview-header {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: #191970;
}

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

.preview-dot.red { background: #ef4444; }
.preview-dot.yellow { background: #fbbf24; }
.preview-dot.green { background: #22c55e; }

.demo-preview-content {
    flex: 1;
    display: flex;
    background: #0f172a;
}

.preview-sidebar {
    width: 60px;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #191970;
}

.preview-menu-item {
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.preview-menu-item.active {
    background: #d000d0;
}

.preview-main {
    flex: 1;
    display: flex;
    padding: 20px;
    gap: 20px;
}

.preview-video-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(79, 124, 130, 0.1);
    border-radius: 16px;
}

.preview-avatar {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d000d0 0%, #00cccc 100%);
    border-radius: 50%;
    color: white;
}

.preview-video-area span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.preview-chat {
    width: 200px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preview-message {
    padding: 12px;
    border-radius: 12px;
    background: #191970;
}

.preview-message.ai {
    width: 80%;
    height: 40px;
}

.preview-message.user {
    width: 70%;
    height: 32px;
    margin-left: auto;
    background: #d000d0;
}

.preview-message.short {
    width: 50%;
    height: 24px;
}

.demo-caption {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    color: #7272a8;
    font-size: 0.875rem;
}

[data-theme="dark"] .demo-caption {
    color: #94a3b8;
}

/* How It Works Steps */
.how-it-works {
    margin-top: 80px;
}

.how-it-works h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #191970;
    margin-bottom: 40px;
}

[data-theme="dark"] .how-it-works h3 {
    color: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

.step-card {
    position: relative;
    padding: 32px 24px;
    background: white;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

[data-theme="dark"] .step-card {
    background: #1e293b;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d000d0 0%, #00cccc 100%);
    border-radius: 50%;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.step-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    background: rgba(79, 124, 130, 0.1);
    border-radius: 16px;
    color: #d000d0;
}

.step-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #191970;
    margin-bottom: 8px;
}

[data-theme="dark"] .step-card h4 {
    color: white;
}

.step-card p {
    font-size: 0.875rem;
    color: #7272a8;
    line-height: 1.6;
}

[data-theme="dark"] .step-card p {
    color: #94a3b8;
}

.step-connector {
    position: absolute;
    right: -22px;
    top: 50%;
    transform: translateY(-50%);
    color: #00cccc;
    z-index: 1;
}

[data-theme="dark"] .step-connector {
    color: #475569;
}

@media (max-width: 900px) {
    .step-connector {
        display: none;
    }
}

/* ===========================================
   FEATURES SECTION
   =========================================== */
.landing-features {
    padding: 100px 0;
    background: white;
}

[data-theme="dark"] .landing-features {
    background: #0a0a14;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    position: relative;
    padding: 32px;
    background: #f0eef8;
    border-radius: 20px;
    border: 1px solid #c4b8de;
    transition: all 0.3s ease;
    overflow: hidden;
}

[data-theme="dark"] .feature-card {
    background: #1e293b;
    border-color: #334155;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--feature-color, #d000d0);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .feature-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--feature-color, #d000d0);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .feature-glow {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #191970;
    margin-bottom: 12px;
}

[data-theme="dark"] .feature-card h3 {
    color: white;
}

.feature-card p {
    font-size: 0.95rem;
    color: #7272a8;
    line-height: 1.7;
}

[data-theme="dark"] .feature-card p {
    color: #94a3b8;
}

/* ===========================================
   TESTIMONIALS SECTION
   =========================================== */
.landing-testimonials {
    padding: 100px 0;
    background: #f0eef8;
}

[data-theme="dark"] .landing-testimonials {
    background: #0f0f1a;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

@media (max-width: 900px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

.testimonial-card {
    padding: 32px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

[data-theme="dark"] .testimonial-card {
    background: #1e293b;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-quote {
    color: #d000d0;
    margin-bottom: 16px;
    opacity: 0.5;
}

.testimonial-text {
    font-size: 1rem;
    color: #475569;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

[data-theme="dark"] .testimonial-text {
    color: #cbd5e1;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e4e0f2 0%, #c4b8de 100%);
    border-radius: 50%;
    font-size: 1.5rem;
}

[data-theme="dark"] .testimonial-avatar {
    background: linear-gradient(135deg, #334155 0%, #475569 100%);
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #191970;
    margin-bottom: 2px;
}

[data-theme="dark"] .testimonial-info h4 {
    color: white;
}

.testimonial-info p {
    font-size: 0.875rem;
    color: #7272a8;
}

[data-theme="dark"] .testimonial-info p {
    color: #94a3b8;
}

/* Trust Badges */
.trust-badges {
    text-align: center;
}

.trust-badges > p {
    color: #7272a8;
    font-size: 0.875rem;
    margin-bottom: 20px;
}

[data-theme="dark"] .trust-badges > p {
    color: #94a3b8;
}

.company-logos {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.company-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #94a3b8;
    opacity: 0.6;
}

[data-theme="dark"] .company-logo {
    color: #64748b;
}

/* ===========================================
   AUTH SECTION
   =========================================== */
.landing-auth {
    padding: 100px 0;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%);
}

.auth-section-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 900px) {
    .auth-section-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.auth-section-info h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.auth-section-info > p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.7;
}

.auth-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 1rem;
}

.auth-benefit svg {
    color: #fbbf24;
}

/* Auth Form Card */
.auth-form-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .auth-form-card {
    background: #1e293b;
}

.auth-form-card .auth-form-header {
    margin-bottom: 24px;
}

.auth-form-card .auth-form-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #191970;
    margin-bottom: 8px;
}

[data-theme="dark"] .auth-form-card .auth-form-header h3 {
    color: white;
}

.auth-form-card .auth-form-header p {
    color: #7272a8;
    font-size: 0.95rem;
}

[data-theme="dark"] .auth-form-card .auth-form-header p {
    color: #94a3b8;
}

/* ===========================================
   FOOTER
   =========================================== */
.landing-footer {
    padding: 60px 0 40px;
    background: #0f172a;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid #191970;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
}

.footer-brand p {
    color: #7272a8;
    margin-top: 12px;
    font-size: 0.95rem;
}

.landing-footer .landing-nav-logo span {
    color: white;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links button {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 0.95rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.footer-links button:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.footer-bottom p {
    color: #7272a8;
    font-size: 0.875rem;
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-legal-links a {
    color: #7272a8;
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-legal-links a:hover {
    color: #00cccc;
}

.footer-divider {
    color: #475569;
}

/* ===========================================
   VIDEO MODAL
   =========================================== */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    padding: 24px;
    animation: modalFadeIn 0.3s ease;
}

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

.video-modal-content {
    position: relative;
    width: 100%;
    max-width: 1000px;
    background: #191970;
    border-radius: 20px;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.video-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.video-modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.video-modal-player {
    aspect-ratio: 16 / 9;
    background: #0f172a;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-placeholder-content {
    text-align: center;
    color: white;
}

.video-placeholder-content svg {
    margin-bottom: 20px;
    opacity: 0.5;
}

.video-placeholder-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.video-placeholder-content p {
    color: #94a3b8;
    margin-bottom: 8px;
}

.video-placeholder-content .video-hint {
    font-size: 0.875rem;
    color: #7272a8;
}

/* ===========================================
   AUTH FORM COMPONENTS (Shared)
   =========================================== *//* Branding Content */
.auth-branding-content {
    position: relative;
    z-index: 2;
    max-width: 500px;
}

/* Logo */
.auth-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}

.auth-logo-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.auth-logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.02em;
}

/* Hero Text */
.auth-hero {
    margin-bottom: 48px;
}

.auth-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.auth-hero .gradient-text {
    display: block;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #fcd34d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-hero p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    max-width: 400px;
}

/* Features */
.auth-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 48px;
}

.auth-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    animation: featureSlideIn 0.6s ease forwards;
    opacity: 0;
    transform: translateX(-20px);
}

@keyframes featureSlideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.auth-feature:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(8px);
}

.auth-feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    flex-shrink: 0;
}

.auth-feature-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.auth-feature-text p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* Stats */
.auth-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.auth-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.auth-stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.02em;
}

.auth-stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.auth-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

/* Floating Cards */
.auth-floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    font-size: 0.85rem;
    font-weight: 600;
    color: #4f46e5;
}

.floating-card-1 {
    top: 15%;
    right: 10%;
    animation: floatCard1 6s ease-in-out infinite;
}

.floating-card-2 {
    bottom: 20%;
    right: 15%;
    animation: floatCard2 7s ease-in-out infinite;
}

@keyframes floatCard1 {
    0%, 100% {
        transform: translateY(0) rotate(-3deg);
    }
    50% {
        transform: translateY(-20px) rotate(3deg);
    }
}

@keyframes floatCard2 {
    0%, 100% {
        transform: translateY(0) rotate(3deg);
    }
    50% {
        transform: translateY(-15px) rotate(-3deg);
    }
}

/* ===========================================
   RIGHT PANEL - FORM
   =========================================== */
.auth-form-panel {
    flex: 0 0 520px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 60px;
    background: #ffffff;
    position: relative;
}

[data-theme="dark"] .auth-form-panel {
    background: #0f0f1a;
}

/* Theme Toggle */
.auth-theme-toggle {
    position: absolute;
    top: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e4e0f2;
    border: none;
    border-radius: 12px;
    color: #7272a8;
    cursor: pointer;
    transition: all 0.25s ease;
}

[data-theme="dark"] .auth-theme-toggle {
    background: #1e1e2e;
    color: #94a3b8;
}

.auth-theme-toggle:hover {
    background: #c4b8de;
    color: #4f46e5;
    transform: rotate(15deg);
}

[data-theme="dark"] .auth-theme-toggle:hover {
    background: #2d2d40;
    color: #a78bfa;
}

/* Form Container */
.auth-form-container {
    width: 100%;
    max-width: 380px;
}

/* Form Header */
.auth-form-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-form-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

[data-theme="dark"] .auth-form-header h2 {
    color: #f1f5f9;
}

.auth-form-header p {
    font-size: 0.95rem;
    color: #7272a8;
    line-height: 1.6;
}

[data-theme="dark"] .auth-form-header p {
    color: #94a3b8;
}

/* Alerts */
.auth-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    font-weight: 500;
}

.auth-alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #dc2626;
}

[data-theme="dark"] .auth-alert-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.25);
    color: #f87171;
}

.auth-alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #16a34a;
}

[data-theme="dark"] .auth-alert-success {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.25);
    color: #4ade80;
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input Group */
.auth-input-group {
    position: relative;
    display: flex;
    align-items: center;
    background: #f0eef8;
    border: 2px solid #c4b8de;
    border-radius: 14px;
    transition: all 0.3s ease;
    overflow: hidden;
}

[data-theme="dark"] .auth-input-group {
    background: #1a1a2e;
    border-color: #2d2d40;
}

.auth-input-group:hover {
    border-color: #00cccc;
}

[data-theme="dark"] .auth-input-group:hover {
    border-color: #3d3d55;
}

.auth-input-group.focused {
    border-color: #4f46e5;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

[data-theme="dark"] .auth-input-group.focused {
    border-color: #7c3aed;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
}

.auth-input-group.has-value .auth-input-icon {
    color: #4f46e5;
}

[data-theme="dark"] .auth-input-group.has-value .auth-input-icon {
    color: #a78bfa;
}

.auth-input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    color: #94a3b8;
    transition: color 0.25s ease;
    flex-shrink: 0;
}

.auth-input-group input {
    flex: 1;
    height: 56px;
    padding: 0 16px 0 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: #0f172a;
    background: transparent;
    border: none;
    outline: none;
}

[data-theme="dark"] .auth-input-group input {
    color: #f1f5f9;
}

.auth-input-group input::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

[data-theme="dark"] .auth-input-group input::placeholder {
    color: #64748b;
}

.auth-input-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed, #9333ea);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.auth-input-group.focused .auth-input-highlight {
    transform: scaleX(1);
}

/* Password Toggle */
.auth-password-toggle {
    position: absolute;
    right: 14px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.25s ease;
}

.auth-password-toggle:hover {
    color: #4f46e5;
    background: rgba(79, 70, 229, 0.1);
}

[data-theme="dark"] .auth-password-toggle:hover {
    color: #a78bfa;
    background: rgba(167, 139, 250, 0.1);
}

/* Password Hint */
.auth-password-hint {
    margin-top: -12px;
    font-size: 0.8rem;
    color: #94a3b8;
    padding-left: 4px;
}

[data-theme="dark"] .auth-password-hint {
    color: #64748b;
}

/* Submit Button */
.auth-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 56px;
    margin-top: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.3);
}

.auth-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.4);
}

.auth-submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.auth-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 28px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #c4b8de;
}

[data-theme="dark"] .auth-divider::before,
[data-theme="dark"] .auth-divider::after {
    background: #2d2d40;
}

.auth-divider span {
    font-size: 0.8rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* Switch Text */
.auth-switch-text {
    text-align: center;
    font-size: 0.95rem;
    color: #7272a8;
}

[data-theme="dark"] .auth-switch-text {
    color: #94a3b8;
}

.auth-switch-btn {
    background: none;
    border: none;
    color: #4f46e5;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    padding: 0;
}

[data-theme="dark"] .auth-switch-btn {
    color: #a78bfa;
}

.auth-switch-btn:hover {
    color: #7c3aed;
    text-decoration: underline;
}

/* Security Badge */
.auth-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    padding: 12px 20px;
    background: #f0eef8;
    border-radius: 10px;
    font-size: 0.8rem;
    color: #7272a8;
}

[data-theme="dark"] .auth-security {
    background: #1a1a2e;
    color: #94a3b8;
}

.auth-security svg {
    color: #22c55e;
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */
@media (max-width: 1024px) {
    .auth-branding {
        padding: 40px;
    }
    
    .auth-hero h1 {
        font-size: 2.5rem;
    }
    
    .auth-form-panel {
        flex: 0 0 480px;
        padding: 40px;
    }
}

@media (max-width: 900px) {
    .auth-page {
        flex-direction: column;
    }
    
    .auth-branding {
        display: none;
    }
    
    .auth-form-panel {
        flex: 1;
        padding: 40px 24px;
        justify-content: flex-start;
        padding-top: 100px;
    }
    
    .auth-form-container {
        max-width: 400px;
    }
    
    /* Show mobile branding */
    .auth-form-header::before {
        content: '✨';
        display: block;
        font-size: 3rem;
        margin-bottom: 16px;
    }
    
    .auth-form-header h2::after {
        content: ' to AI Interviewer';
        font-size: 1rem;
        font-weight: 600;
        color: #4f46e5;
        display: block;
        margin-top: 4px;
    }
    
    [data-theme="dark"] .auth-form-header h2::after {
        color: #a78bfa;
    }
}

@media (max-width: 480px) {
    .auth-form-panel {
        padding: 24px 20px;
        padding-top: 80px;
    }
    
    .auth-theme-toggle {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
    
    .auth-form-header h2 {
        font-size: 1.75rem;
    }
    
    .auth-input-group input {
        height: 52px;
        font-size: 0.9rem;
    }
    
    .auth-submit-btn {
        height: 52px;
    }
}

/* ===========================================
   GOOGLE OAUTH BUTTON
   =========================================== */
.auth-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 56px;
    padding: 0 24px;
    background: #ffffff;
    border: 2px solid #c4b8de;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: #191970;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.auth-google-btn:hover:not(:disabled) {
    background: #f0eef8;
    border-color: #00cccc;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.auth-google-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-google-btn svg {
    flex-shrink: 0;
}

[data-theme="dark"] .auth-google-btn {
    background: #1e1e2e;
    border-color: #2d2d44;
    color: #f1f5f9;
}

[data-theme="dark"] .auth-google-btn:hover:not(:disabled) {
    background: #262636;
    border-color: #3d3d5c;
}

/* ===========================================
   GOOGLE OAUTH CALLBACK PAGE
   =========================================== */
.auth-callback-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: linear-gradient(135deg, #0a0a14 0%, #1a1a2e 100%);
}

.auth-callback-card {
    text-align: center;
    padding: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    max-width: 400px;
    width: 100%;
}

.auth-callback-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    margin: 20px 0 10px;
}

.auth-callback-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.auth-callback-spinner {
    color: #00cccc;
    animation: spin 1s linear infinite;
}

.auth-callback-success {
    color: #22c55e;
}

.auth-callback-error {
    color: #ef4444;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}