/* Modern White Design - Login & Signup Pages */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --background: #ffffff;
    --surface: #f8fafc;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background: var(--background);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-img {
    height: 35px;
    width: auto;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.main-nav {
    display: flex;
    gap: 25px;
    align-items: center;
    flex-grow: 1;
    justify-content: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.shop-link {
    background: var(--accent-color);
    color: white;
}

.shop-link:hover {
    background: #d97706;
}

.login-link {
    background: var(--primary-color);
    color: white;
}

.login-link:hover {
    background: var(--primary-hover);
}

.contact-quick {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex-shrink: 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    min-height: calc(100vh - 80px);
}

/* Form Container */
.form-container {
    background: var(--background);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 480px;
    padding: 0;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

/* Form Header */
.form-header {
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.logo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.form-logo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.form-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* Form Content */
.form-section {
    display: none;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem;
}

.form-section.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

/* Google Button */
.google-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--background);
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.google-btn:hover {
    background: var(--surface);
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.google-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-size: 0.875rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.divider span {
    padding: 0 1rem;
    background: var(--background);
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Input Wrapper */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-light);
    font-size: 1rem;
    z-index: 1;
    transition: color 0.3s ease;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--background);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input:focus + .input-icon {
    color: var(--primary-color);
}

.form-group input.error {
    border-color: var(--error-color);
    background: #fef2f2;
}

.form-group input.error:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.password-toggle:hover {
    color: var(--text-secondary);
    background: var(--surface);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Buttons */
.btn, button[type="submit"] {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.btn:hover:not(:disabled), button[type="submit"]:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn:focus, button[type="submit"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.btn:active, button[type="submit"]:active {
    transform: translateY(0);
}

.btn:disabled, button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Form Footer */
.form-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.form-footer a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Checkbox Styling */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
    font-weight: 500;
}

.checkbox-group input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    margin: 0;
    opacity: 1;
    position: relative;
    accent-color: var(--primary-color);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.checkbox-group input[type="checkbox"]:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.checkbox-group a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-group a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Error and Success Messages */
#generalError {
    background: #fef2f2;
    color: var(--error-color);
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    border: 1px solid #fecaca;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.4s ease;
    text-align: center;
    font-weight: 500;
}

#generalError.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.success-message {
    background: #f0fdf4;
    color: var(--success-color);
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    border: 1px solid #bbf7d0;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.4s ease;
    text-align: center;
    font-weight: 500;
}

.success-message.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Error Messages */
.error-message {
    color: var(--error-color);
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: none;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.4;
}

.error-message.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Loading state */
.btn.loading, button[type="submit"].loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after, button[type="submit"].loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        padding: 10px 20px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .contact-quick {
        flex-direction: row;
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
        font-size: 0.85rem;
    }
    
    main {
        padding: 20px 15px;
        min-height: calc(100vh - 160px);
    }
    
    .form-container {
        max-width: calc(100% - 30px);
    }
    
    .form-section {
        padding: 1.5rem;
    }
    
    .form-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 480px) {
    .form-container {
        max-width: calc(100% - 20px);
    }
    
    .form-section {
        padding: 1.25rem;
    }
    
    .form-header {
        padding: 1.25rem 1.25rem 0.75rem;
    }
    
    .main-nav {
        gap: 10px;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .form-header h2 {
        font-size: 1.375rem;
    }
    
    .form-group input {
        padding: 0.75rem 1rem 0.75rem 2.5rem;
        font-size: 0.9rem;
    }
    
    .btn, button[type="submit"] {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .input-icon {
        font-size: 0.9rem;
        left: 0.875rem;
    }
    
    .password-toggle {
        right: 0.875rem;
    }
}