/**
 * Authentication Modal Styles
 * Beautiful glassmorphism design matching the site's aesthetic
 */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1rem;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Content */
.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

/* Modal Header */
.modal-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #64748b;
    cursor: pointer;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #1e293b;
}

.modal-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-subtitle {
    font-size: 1rem;
    color: #64748b;
    margin: 0.5rem 0 0;
    font-weight: 400;
}

/* Modal Body */
.modal-body {
    padding: 1.5rem 2rem 2rem;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.form-input::placeholder {
    color: #9ca3af;
}

.form-input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    font-size: 0.875rem;
    color: #ef4444;
    margin-top: 0.25rem;
    display: none;
}

.form-error.show {
    display: block;
}

/* Button Styles */
.auth-button {
    width: 100%;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-button-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.3);
}

.auth-button-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.4);
}

.auth-button-primary:active {
    transform: translateY(0);
}

.auth-button-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: #374151;
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.auth-button-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: #3b82f6;
    color: #3b82f6;
}

.auth-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Google Sign In Button */
.google-signin-button {
    background: white;
    color: #374151;
    border: 2px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 500;
}

.google-signin-button:hover {
    background: #f8fafc;
    border-color: #3b82f6;
    color: #3b82f6;
}

.google-icon {
    width: 20px;
    height: 20px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="%234285F4" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"/><path fill="%2334A853" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"/><path fill="%23FBBC05" d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"/><path fill="%23EA4335" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"/></svg>') no-repeat center;
    background-size: contain;
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: #9ca3af;
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
}

.auth-divider span {
    padding: 0 1rem;
    background: rgba(255, 255, 255, 0.95);
}

/* Form Links */
.form-links {
    text-align: center;
    margin-top: 1.5rem;
}

.form-link {
    color: #3b82f6;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.form-link:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* Loading Spinner */
.auth-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Success/Error Messages */
.auth-message {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.auth-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* User Menu Styles */
.user-menu {
    display: none;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.2;
}

.user-email {
    font-size: 0.75rem;
    color: #64748b;
    line-height: 1.2;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #374151;
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.user-dropdown-item:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.user-dropdown-item:first-child {
    border-radius: 12px 12px 0 0;
}

.user-dropdown-item:last-child {
    border-radius: 0 0 12px 12px;
}

/* Auth Buttons in Header */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.auth-header-button {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.auth-header-button.login {
    color: #64748b;
    background: none;
}

.auth-header-button.login:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.auth-header-button.register {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.auth-header-button.register:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Responsive Design */
@media (max-width: 640px) {
    .modal-content {
        margin: 1rem;
        max-width: none;
        border-radius: 16px;
    }
    
    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .modal-body {
        padding: 1rem 1.5rem 1.5rem;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .user-info {
        display: none;
    }
    
    .auth-buttons {
        gap: 0.5rem;
    }
    
    .auth-header-button {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .modal-content {
        background: rgba(15, 23, 42, 0.95);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .modal-title {
        color: #f1f5f9;
    }
    
    .modal-subtitle {
        color: #94a3b8;
    }
    
    .form-input {
        background: rgba(30, 41, 59, 0.8);
        border-color: rgba(255, 255, 255, 0.1);
        color: #f1f5f9;
    }
    
    .form-input:focus {
        background: rgba(30, 41, 59, 0.95);
    }
    
    .form-label {
        color: #e2e8f0;
    }
    
    .user-name {
        color: #f1f5f9;
    }
    
    .user-email {
        color: #94a3b8;
    }
    
    .user-dropdown {
        background: rgba(15, 23, 42, 0.95);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .user-dropdown-item {
        color: #e2e8f0;
    }
}