/* Common styles shared across all pages */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Header Navigation - Unified */
.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    position: relative;
    z-index: 100;
}

.logo h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.logo h1 a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.logo h1 a:hover {
    color: rgba(255, 255, 255, 0.9);
}

/* Navigation Links - Unified */
.nav-links {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

/* Authentication Buttons - Unified */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
}

.auth-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.auth-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.dashboard-link {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.dashboard-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.user-email {
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

.sign-out-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.sign-out-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Unified Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.hidden {
    display: none !important;
}

.modal-content {
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 30px;
}

/* Unified Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #ff4757 0%, #ff3742 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
    backdrop-filter: blur(10px);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Unified Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    outline: none;
}

.form-group input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Unified Loading States */
.loading {
    text-align: center;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

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

.error {
    background: #ff4757;
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Unified Animation */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Footer Styles */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    padding: 40px 20px;
    margin-top: 60px;
}

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

.footer-logo h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.footer-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}

.footer-link:hover {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.5);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.youtube-link {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    padding: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.youtube-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Legal Pages Styles */
.legal-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.legal-page h1 {
    color: #333;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
}

.last-updated {
    color: #666;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 40px;
    font-style: italic;
}

.legal-content {
    color: #333;
    line-height: 1.7;
}

.legal-content section {
    margin-bottom: 30px;
}

.legal-content h2 {
    color: #333;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #667eea;
}

.legal-content h3 {
    color: #333;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 20px 0 10px 0;
}

.legal-content p {
    margin-bottom: 15px;
    text-align: justify;
}

.legal-content ul {
    margin: 15px 0;
    padding-left: 25px;
}

.legal-content li {
    margin-bottom: 8px;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Responsive Design - Unified */
@media (max-width: 768px) {
    .header-nav {
        padding: 15px;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .logo h1, .logo h1 a {
        font-size: 1.2rem;
    }
    
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
    
    .auth-buttons {
        gap: 10px;
    }
    
    .auth-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .user-menu {
        padding: 8px 16px;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .user-email {
        font-size: 0.8rem;
    }
    
    .sign-out-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header {
        padding: 20px 25px;
    }
    
    .modal-header h2 {
        font-size: 1.3rem;
    }
    
    .modal-body {
        padding: 25px;
    }
    
    /* Footer responsive styles */
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-links {
        gap: 20px;
    }
    
    .footer-link {
        font-size: 0.85rem;
    }
    
    /* Legal pages responsive styles */
    .legal-page {
        padding: 30px 15px;
        margin: 20px 10px;
    }
    
    .legal-page h1 {
        font-size: 2rem;
    }
    
    .legal-content h2 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    .auth-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .user-menu {
        flex-direction: column;
        text-align: center;
    }
}