/* Page-specific overrides for index page */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 400;
}

.user-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
    animation: fadeIn 0.5s ease-out;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.user-info img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid #667eea;
    object-fit: cover;
}

.user-info img[src=""], .user-info img:not([src]) {
    display: none !important;
}

.user-info h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.user-info p {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.logout-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.google-signin-section {
    text-align: center;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.google-signin-section p {
    margin-bottom: 1rem;
    color: #555;
    font-weight: 500;
}

.g_id_signin {
    width: 100% !important;
}

.adaptive-features {
    background: rgba(102, 126, 234, 0.1);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.adaptive-features h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.adaptive-features p {
    color: #555;
    font-size: 0.9rem;
}

.form-card {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    min-height: 48px;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-group input:active, .form-group select:active {
    transform: scale(0.98);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

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

.btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn::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 0.5s ease;
}

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

.features {
    margin-top: 3rem;
    text-align: center;
    color: white;
}

.features h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.feature-item {
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .form-card {
        padding: 1.5rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.75rem;
    }
    
    .header h1 {
        font-size: 1.75rem;
    }
    
    .form-card {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .header {
        margin-bottom: 2rem;
        padding: 1.5rem;
    }
    
    .form-group input, .form-group select {
        padding: 0.625rem;
        font-size: 0.95rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.375rem;
    }
    
    small {
        font-size: 0.8rem !important;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .feature-item {
        padding: 0.875rem;
    }
}

.error-container {
    animation: slideIn 0.3s ease-out;
}

.error-card {
    transition: all 0.2s ease;
}

.error-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.form-card {
    animation: fadeIn 0.6s ease-out;
}

.header {
    animation: slideIn 0.8s ease-out;
}

.features {
    animation: fadeIn 1s ease-out 0.2s both;
}

.feature-item {
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.form-group input:focus, .form-group select:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}