/*
 * HakuBot - Authentication Pages Styles
 * Login, Signup, Password Reset
 */

.auth-container {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

.auth-card {
    max-width: 450px;
    width: 100%;
    padding: var(--spacing-xxl);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-muted);
    font-family: var(--font-japanese);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.auth-divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border-color);
}

.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

.auth-divider span {
    background: var(--bg-card);
    padding: 0 var(--spacing-md);
    color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.errorlist {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0;
}

.errorlist li {
    background: rgba(255, 0, 110, 0.1);
    border-left: 4px solid var(--accent);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.form-checkbox input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-normal);
}

.form-checkbox input[type="checkbox"]:hover {
    border-color: var(--primary);
}

.form-checkbox input[type="checkbox"]:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.form-checkbox input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-size: 14px;
    font-weight: bold;
}

.form-checkbox span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

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

.password-toggle svg {
    width: 20px;
    height: 20px;
}

.helptext {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}