/* New Login Design - Drive Club Style */
:root {
    --color-bg-gradient-start: #d4d8db;
    --color-bg-gradient-end: #e8ebec;
    --color-card-bg: #ffffff;
    --color-primary: #4d8fff;
    --color-primary-hover: #3d7fee;
    --color-text: #2b3a47;
    --color-text-light: #6b7785;
    --color-text-muted: #9ca3af;
    --color-border: #e5e7eb;
    --color-input-bg: #f9fafb;
    --color-error: #ef4444;
    --color-error-bg: #fee2e2;
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

/* Page Layout */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-bg-gradient-start) 0%, var(--color-bg-gradient-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
}

.login-container {
    max-width: 480px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

/* Branding Section */
.login-branding {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-container {
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
}

.logo-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-primary);
    padding: var(--spacing-xs);
    object-fit: contain;
    box-shadow: 0 10px 25px rgba(77, 143, 255, 0.3);
}

.brand-title {
    font-size: var(--font-3xl);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.brand-hoon {
    color: var(--color-text);
}

.brand-track {
    color: var(--color-primary);
}

.brand-subtitle {
    font-size: var(--font-sm);
    color: var(--color-text-light);
    font-weight: 400;
}

/* Login Card */
.login-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    font-size: var(--font-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.forgot-link {
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

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

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-base);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-left: 3rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    background: var(--color-input-bg);
    color: var(--color-text);
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(77, 143, 255, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.submit-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(77, 143, 255, 0.4);
}

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

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

/* Divider */
.divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
}

.divider-text {
    position: relative;
    display: inline-block;
    padding: 0 var(--spacing-lg);
    background: var(--color-card-bg);
    font-size: var(--font-xs);
    color: var(--color-text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Social Buttons */
.social-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
}

.social-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.social-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.social-icon {
    width: 18px;
    height: 18px;
}

.social-google .social-icon {
    color: #4285f4;
}

.social-apple .social-icon {
    color: #000;
}

/* Footer */
.login-footer {
    text-align: center;
    font-size: var(--font-sm);
    color: var(--color-text-light);
}

.register-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

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

/* Feature Badges */
.feature-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: var(--font-lg);
}

.badge-text {
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

/* Messages */
.error-message {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-error-bg);
    color: var(--color-error);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--color-error);
}

.success-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-success-bg);
    color: var(--color-success);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--color-success);
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--color-success);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--font-xs);
}

.validation-error {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-error);
    font-size: var(--font-xs);
}

/* Caps Lock Warning */
.caps-lock-indicator {
    display: block;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #fff4e6;
    color: #f59e0b;
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 600;
    text-align: center;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 640px) {
    .login-page {
        padding: var(--spacing-lg);
    }

    .login-card {
        padding: var(--spacing-2xl);
    }

    .logo-image {
        width: 120px;
        height: 120px;
        padding: var(--spacing-xs);
    }

    .brand-title {
        font-size: var(--font-2xl);
    }

    .social-buttons {
        grid-template-columns: 1fr;
    }

    .feature-badges {
        flex-direction: column;
        align-items: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast */
@media (prefers-contrast: high) {
    .form-input,
    .social-btn {
        border-width: 2px;
    }

    .submit-btn {
        border: 2px solid var(--color-primary);
    }
}