/* Auth Page Styles */
body {
    background: linear-gradient(135deg, var(--mint-primary) 0%, var(--mint-dark) 100%);
    min-height: 100vh;
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: white;
    position: relative;
    overflow-x: hidden;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Back Button */
.back-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--mint-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    z-index: 10;
}

.back-button:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.back-button svg {
    width: 20px;
    height: 20px;
}

/* Auth Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-dark);
}

/* Logo */
.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--mint-primary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.auth-logo h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--mint-primary);
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

.form-header p {
    color: var(--text-gray);
    margin: 0;
    font-size: 1rem;
}

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

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

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--mint-primary);
    box-shadow: 0 0 0 3px rgba(0, 208, 132, 0.1);
}

/* Password Input */
.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-gray);
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--text-dark);
}

.eye-icon {
    width: 20px;
    height: 20px;
}

/* Forgot Password */
.forgot-link {
    color: var(--mint-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

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

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    margin-top: 0.125rem;
}

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

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Submit Button */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--mint-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--mint-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 208, 132, 0.3);
}

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

.full-width {
    width: 100%;
}

/* Loading State */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.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); }
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    gap: 1rem;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: #e5e7eb;
}

.divider-text {
    color: var(--text-gray);
    font-size: 0.875rem;
    padding: 0 0.5rem;
}

/* Google Button */
.btn-google {
    background: white;
    color: var(--text-dark);
    border: 2px solid #e5e7eb;
    font-weight: 500;
    width: 100%;
}

.btn-google:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.btn-google svg {
    width: 20px;
    height: 20px;
}

/* Auth Toggle */
.auth-toggle {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.auth-toggle p {
    margin: 0;
    color: var(--text-gray);
    font-size: 0.875rem;
}

.auth-toggle a {
    color: var(--mint-primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-toggle a:hover {
    text-decoration: underline;
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 2rem;
    }
    
    .back-button {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .form-header h1 {
        font-size: 1.5rem;
    }
}

/* Error States */
.form-group.error input {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Success States */
.form-group.success input {
    border-color: var(--mint-primary);
}

/* Animation for mode switching */
.auth-card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}