/* ChemBuddy - Auth Page Styles */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
    padding: 1rem;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--white);
}

.auth-logo h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.auth-logo p {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: 0.25rem;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* Tab Switcher */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--bg-dark);
}

.auth-tab {
    flex: 1;
    padding: 0.85rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.auth-tab.active {
    color: var(--primary);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.auth-tab:hover:not(.active) {
    color: var(--text);
    background: var(--bg);
}

/* Form */
.auth-form {
    padding: 1.5rem;
}

.auth-form .form-group {
    margin-bottom: 1rem;
}

.auth-form .form-input,
.auth-form .form-select {
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
}

.forgot-link {
    display: block;
    text-align: center;
    margin-top: 0.75rem;
    color: var(--primary);
    font-size: 0.85rem;
    text-decoration: none;
}

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

.auth-submit {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.auth-error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
}

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

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: rgba(255,255,255,0.7);
    font-size: 0.8rem;
}

.auth-footer a {
    color: var(--white);
    text-decoration: underline;
}

/* Pilot badge */
.pilot-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.75rem;
    letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-logo h1 { font-size: 1.6rem; }
    .auth-form { padding: 1.25rem; }
}