/* Auth Dropdown Popover */
.auth-trigger-wrap {
    position: relative;
}

.auth-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    display: none;
}

.auth-dropdown.open {
    display: block;
}

.auth-dropdown-arrow {
    position: absolute;
    top: -6px;
    right: 16px;
    width: 12px;
    height: 12px;
    background: var(--white);
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
    transform: rotate(45deg);
}

.auth-pane {
    padding: var(--space-5);
}

.auth-pane-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.auth-pane-header h4 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--black);
    margin: 0;
}

.auth-back-btn {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--space-1);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.auth-back-btn:hover {
    color: var(--black);
}

.auth-pane-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.auth-field {
    width: 100%;
}

.auth-input {
    width: 100%;
    height: 38px;
    padding: 0 var(--space-3);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    color: var(--gray-900);
    background: var(--white);
    border: 1px solid var(--gray-400);
    border-radius: var(--radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.auth-input::placeholder {
    color: var(--gray-500);
}

select.auth-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: var(--space-8);
}

.auth-field-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.auth-field-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.auth-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--gray-700);
    cursor: pointer;
}

.auth-checkbox input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--primary);
}

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

.auth-link-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    cursor: pointer;
    padding: 0;
    font-family: var(--font-family);
}

.auth-link-btn:hover {
    text-decoration: underline;
}

.auth-pane-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
    font-size: var(--text-xs);
    color: var(--gray-600);
    text-align: center;
}

.auth-hint {
    font-size: var(--text-xs);
    color: var(--gray-600);
    margin-bottom: var(--space-1);
}

.auth-alert-container .alert {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.auth-alert-container .alert-success { background: var(--success-light); color: var(--success); }
.auth-alert-container .alert-error { background: var(--error-light); color: var(--error); }
.auth-alert-container .alert-info { background: var(--info-light); color: var(--info); }
.auth-alert-container .alert-warning { background: var(--warning-light); color: var(--warning); }

/* Validation states */
.auth-input.error { border-color: var(--error); }
.auth-input.valid { border-color: var(--success); }
.field-error { font-size: 11px; color: var(--error); margin-top: 2px; }

@media (max-width: 480px) {
    .auth-dropdown {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 85vh;
        overflow-y: auto;
    }
    .auth-dropdown-arrow {
        display: none;
    }
}