/**
 * TECH Menuiserie - Auth Styles
 * Modal overlay, login/register forms, user dropdown
 */

/* ========== MODAL OVERLAY ========== */

.auth-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.auth-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.auth-modal {
    background: var(--bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 420px;
    margin: var(--space-4);
    padding: var(--space-8);
    position: relative;
    transform: translateY(16px);
    transition: transform var(--transition-slow);
}

.auth-modal-overlay.active .auth-modal {
    transform: translateY(0);
}

.auth-modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.auth-modal-close:hover {
    color: var(--text);
    background: var(--bg-alt);
}

/* ========== MODAL HEADER ========== */

.auth-modal-header {
    margin-bottom: var(--space-6);
}

.auth-modal-header h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.auth-tabs {
    display: flex;
    gap: var(--space-1);
    background: var(--bg-alt);
    padding: 3px;
    border-radius: var(--radius);
}

.auth-tab {
    flex: 1;
    background: none;
    border: none;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.auth-tab.active {
    background: var(--bg);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

/* ========== FORMS ========== */

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-field {
    margin-bottom: var(--space-4);
}

.auth-field-row {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.auth-field-row .auth-field {
    flex: 1;
    margin-bottom: 0;
}

.auth-field label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text);
    margin-bottom: var(--space-1);
}

.auth-field input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text);
    background: var(--bg);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.auth-field input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(239, 124, 26, 0.15);
}

.auth-field input::placeholder {
    color: var(--text-light);
}

/* ========== ERROR ========== */

.auth-error {
    display: none;
    background: var(--error-light);
    color: var(--error);
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
}

/* ========== SUBMIT BUTTON ========== */

.auth-submit {
    width: 100%;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.auth-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.auth-submit-loading {
    display: inline-flex;
    animation: auth-spin 1s linear infinite;
}

@keyframes auth-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========== USER AREA (Header) ========== */

.user-area {
    position: relative;
}

.user-btn {
    position: relative;
}

.user-btn.logged-in::after {
    content: '';
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    background: var(--success);
    border: 2px solid var(--bg);
    border-radius: 50%;
}

/* ========== USER DROPDOWN ========== */

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    z-index: var(--z-dropdown);
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border);
}

.user-dropdown-name {
    font-weight: 500;
    color: var(--text);
    font-size: var(--text-sm);
}

.user-dropdown-email {
    color: var(--text-muted);
    font-size: var(--text-xs);
    margin-top: 2px;
}

.user-dropdown-actions {
    padding: var(--space-2);
}

.user-dropdown-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.user-dropdown-link:hover {
    background: var(--bg-alt);
    color: var(--error);
}

/* ========== RESPONSIVE ========== */

@media (max-width: 480px) {
    .auth-modal {
        max-width: none;
        margin: var(--space-2);
        padding: var(--space-6);
    }

    .auth-field-row {
        flex-direction: column;
        gap: var(--space-4);
    }

    .auth-field-row .auth-field {
        margin-bottom: 0;
    }
}

/* ========== TERMS CHECKBOX ========== */

.auth-terms {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
    cursor: pointer;
}

.auth-terms input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
}

.auth-terms a {
    color: var(--primary);
    text-decoration: underline;
}

/* ========== FORGOT PASSWORD ========== */

.auth-forgot {
    display: block;
    text-align: right;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-3);
    transition: color var(--transition);
}

.auth-forgot:hover {
    color: var(--accent);
}

/* ========== RESET SUCCESS ========== */

.auth-success {
    background: var(--success-light);
    color: var(--success);
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
}

@media (max-width: 360px) {
    .auth-modal { margin: var(--space-2); padding: var(--space-4) var(--space-3); }
    .auth-modal-header h3 { font-size: var(--text-xl); }
    .auth-field input { padding: var(--space-2) var(--space-3); font-size: var(--text-sm); }
}