/* Authentication Page Styles */

:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --white: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--gray-600);
    font-size: 14px;
}

.auth-form h2 {
    font-size: 24px;
    color: var(--gray-800);
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-800);
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-600);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox input {
    margin-right: 8px;
    cursor: pointer;
}

.checkbox span {
    font-size: 14px;
    color: var(--gray-800);
}

.link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-block {
    width: 100%;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-primary:disabled {
    background-color: var(--gray-300);
    cursor: not-allowed;
}

.btn-google {
    background-color: var(--white);
    color: var(--gray-800);
    border: 1px solid var(--gray-300);
}

.btn-google:hover {
    background-color: var(--gray-100);
}

.divider {
    margin: 24px 0;
    text-align: center;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background-color: var(--gray-300);
}

.divider span {
    background-color: var(--white);
    padding: 0 16px;
    color: var(--gray-600);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.form-footer {
    text-align: center;
    margin-top: 24px;
}

.form-footer p {
    font-size: 14px;
    color: var(--gray-600);
}

.message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

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

/* Password hint text */
.password-hint {
    color: var(--gray-600);
    font-size: 0.85em;
    margin-top: 4px;
    display: block;
}

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .auth-card {
        padding: 24px;
    }

    .auth-header h1 {
        font-size: 28px;
    }

    .auth-form h2 {
        font-size: 20px;
    }

    .form-group input {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .btn {
        padding: 14px 24px; /* Slightly larger touch target */
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}