/* ==============================
   Multi-Tool Data Generator Platform
   Theme: Glow, Dark, White
   ============================== */

:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    transition: all 0.3s ease;
}

/* ====== THEME VARIATIONS ====== */

/* Glow Theme */
.theme-glow {
    background: linear-gradient(135deg, #1e3a8a 0%, #312e81 50%, #581c87 100%);
    color: #fff;
}

.theme-glow .glow-text {
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.8),
                 0 0 40px rgba(118, 75, 162, 0.6),
                 0 0 60px rgba(102, 126, 234, 0.4);
}

.theme-glow .glow-icon {
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.8));
}

/* Dark Theme */
.theme-dark {
    background: #0f172a;
    color: #e2e8f0;
}

.theme-dark .feature-card,
.theme-dark .pricing-card,
.theme-dark .tool-card,
.theme-dark .stat-card {
    background: #1e293b;
    border: 1px solid #334155;
}

/* White Theme */
.theme-white {
    background: #f8fafc;
    color: #1e293b;
}

.theme-white .navbar,
.theme-white .sidebar {
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.theme-white .feature-card,
.theme-white .pricing-card,
.theme-white .tool-card,
.theme-white .stat-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}

/* ====== THEME SWITCHER ====== */
.theme-switcher {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 10px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.theme-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.theme-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: #fff;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

/* ====== NAVBAR ====== */
.navbar {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-outline {
    border: 2px solid #fff !important;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
}

/* ====== HERO SECTION ====== */
.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1.2s ease;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero-primary,
.btn-hero-outline {
    padding: 15px 40px;
    font-size: 18px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-hero-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.btn-hero-outline {
    border: 2px solid #fff;
    color: #fff;
}

.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ====== FLOATING CARDS ====== */
.hero-image {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 50px auto 0;
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: 0.5s;
}

.floating-card:nth-child(3) {
    animation-delay: 1s;
}

.floating-card:nth-child(4) {
    animation-delay: 1.5s;
}

.floating-card i {
    font-size: 40px;
    margin-bottom: 10px;
    display: block;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

/* ====== SECTIONS ====== */
.features-section,
.pricing-section {
    padding: 80px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.theme-glow .section-title {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====== FEATURE CARDS ====== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* ====== PRICING CARDS ====== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: scale(1.05);
}

.pricing-card.popular {
    border: 2px solid #667eea;
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
}

.pricing-card.premium {
    border: 2px solid #f59e0b;
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.popular-badge,
.premium-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.premium-badge {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    margin: 20px 0;
}

.price .currency {
    font-size: 1.5rem;
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-features i {
    color: #10b981;
    margin-right: 10px;
}

.btn-pricing {
    display: block;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* ====== FOOTER ====== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 60px 20px 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: inherit;
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ====== AUTH PAGES ====== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px;
    border-radius: 20px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header i {
    font-size: 60px;
    margin-bottom: 20px;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.auth-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.auth-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.btn-auth {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ====== ALERTS ====== */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert i {
    font-size: 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid #10b981;
    color: #10b981;
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid #ef4444;
    color: #ef4444;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid #f59e0b;
    color: #f59e0b;
}

.alert-info {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid #3b82f6;
    color: #3b82f6;
}

/* ====== DASHBOARD LAYOUT ====== */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px 20px;
    font-size: 20px;
    font-weight: bold;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(102, 126, 234, 0.2);
    border-left: 3px solid #667eea;
}

.nav-item i {
    width: 20px;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
}

.content-header {
    margin-bottom: 40px;
}

.content-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* ====== STATS GRID ====== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.stat-info p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* ====== TOOLS GRID ====== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.tool-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
    background: rgba(102, 126, 234, 0.2);
}

.tool-card i {
    font-size: 40px;
    margin-bottom: 15px;
    display: block;
}

.tool-card h3 {
    margin-bottom: 10px;
}

/* ====== ACTIVITY LIST ====== */
.activity-list {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-details {
    flex: 1;
}

.activity-details h4 {
    margin-bottom: 5px;
}

.activity-details p {
    font-size: 0.9rem;
    opacity: 0.7;
}

.activity-credits {
    background: rgba(239, 68, 68, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #ef4444;
}

.section {
    margin-bottom: 40px;
}

.section h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .dashboard-layout {
        flex-direction: column;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .theme-switcher {
        top: 20px;
        right: 10px;
        transform: none;
        flex-direction: row;
    }
}