/* ====================================================
 * AUTH MODAL - Login & Registration Modal
 * Version: 15.5.2 (Submit CTA: FA icon optical center vs label + stable hover motion)
 * ==================================================== */

/* Modal Overlay */
.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-dark-60);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base) ease;

    @supports (backdrop-filter: blur(1px)) {
        backdrop-filter: blur(8px);
    }
}

.auth-modal-overlay.active,
.auth-modal-overlay.show {
    display: flex;
    opacity: 1;
}

/* Modal Container — AUDIT Feb 2026: consolidated responsive (was scattered across breakpoints) */
.auth-modal-container {
    background: var(--bg-card);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--modal-border-radius, var(--radius-xl));
    overflow-y: auto;
    position: relative;
    box-shadow: var(--modal-shadow);
    animation: slideUp 0.4s ease;
    color: var(--text-primary);
    box-sizing: border-box;
    margin: 0 auto;

    /* Responsive sizing */
    width: 100%;
    max-width: 95vw;              /* Mobile fallback: 95% viewport width */
    max-height: 88dvh;            /* Consistent height all breakpoints */
    padding: var(--spacing-4);    /* Mobile padding (compact) */

    @media (min-width: 767.98px) {
        max-width: var(--modal-dialog-md, 480px);
        padding: var(--spacing-6);
    }
}

/* Struttura Bootstrap .modal dentro wrapper .auth-modal (SSOT; era bootstrap-overrides-late) */
.auth-modal .modal-header {
    border-bottom: 2px solid var(--border-color);
}

.auth-modal .modal-title {
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-2xl);
}

.auth-modal .modal-footer {
    border-top: 2px solid var(--border-color);
    padding: var(--modal-footer-padding);
}

.auth-modal .modal-body {
    padding: var(--density-modal-padding-mobile) var(--spacing-4);
}

/* Submit / primary actions: touch target — .submit-btn owns sizing (fit-content CTA below) */
.auth-modal-container .auth-submit-btn,
.auth-modal-container button[type="submit"]:not(.submit-btn) {
    min-height: var(--touch-target-min);
    padding: var(--spacing-3) var(--spacing-4);
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Close Button - A2/A11y: touch target (--touch-target-min) */
.auth-modal-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    width: var(--spacing-9);
    height: var(--spacing-9);
    border-radius: var(--radius-full);
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: var(--font-size-lg-plus);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base) ease;
    z-index: var(--z-modal-close);
}

.auth-modal-close:hover {
    background: var(--color-neutral-200);
    color: var(--color-neutral-800);
    transform: rotate(90deg);
}

/* Full-page login escape hatch (navbar modal) */
.auth-modal-fullpage-fallback {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-neutral-200);
}

.auth-modal-fullpage-fallback__text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
    margin: 0;
    line-height: var(--line-height-relaxed);
}

.auth-modal-fullpage-fallback__link {
    color: var(--color-primary-600);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    white-space: nowrap;
}

.auth-modal-fullpage-fallback__link:hover,
.auth-modal-fullpage-fallback__link:focus-visible {
    text-decoration: underline;
    outline: none;
}

.auth-modal-fullpage-fallback__sep {
    margin: 0 0.2em;
    color: var(--text-tertiary);
}

/* Role Tabs – Traveler/Host: sfondo neutro, bordi chiari */
.role-tabs {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
    position: relative;
    background: var(--color-neutral-100);
    padding: var(--spacing-1);
    border-radius: var(--input-border-radius);
    border: 1px solid var(--color-neutral-200);
}

/* Booking context: remove role friction on first auth step */
.auth-modal--booking-intent .role-tabs,
.auth-modal--booking-intent .role-description {
    display: none;
}

.auth-modal--booking-intent .auth-type-tabs {
    margin-top: var(--spacing-2);
}

.auth-modal--booking-intent .auth-modal__booking-banner {
    display: block;
}

.auth-modal__booking-banner {
    display: none;
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-primary-200);
    background: color-mix(in srgb, var(--color-primary-50) 70%, var(--color-white));
    text-align: left;
}

.auth-modal__booking-banner-eyebrow {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-700);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.auth-modal__booking-banner-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    line-height: 1.3;
}

.auth-modal__booking-banner-lead {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.45;
}

.role-tab {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    transition: var(--transition-base) ease;
    position: relative;
    z-index: var(--z-base);
    min-height: var(--touch-target-min);
    padding: var(--spacing-2-5) var(--spacing-3);

    @media (max-width: 640px) {
        font-size: var(--font-size-sm);
        padding: var(--spacing-2-5) var(--spacing-3);

        & i {
            font-size: var(--font-size-lg);
        }
    }
}

/* A1: Active tab - primary color and weight */
.role-tab.active {
    color: var(--color-primary-700);
    font-weight: var(--font-weight-semibold);
}

.role-tab:hover {
    color: var(--text-primary);
}

.role-tab:focus-visible {
    outline: var(--ds-focus-outline-width) solid var(--ds-focus-outline-color);
    outline-offset: var(--ds-focus-outline-offset);
}

/* Tab Indicator (sliding background) */
.tab-indicator {
    position: absolute;
    top: var(--spacing-1);
    left: var(--spacing-1);
    width: calc(50% - var(--spacing-1));
    height: calc(100% - var(--spacing-2));
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: var(--z-zero);
    pointer-events: none;
}

.role-tab:last-of-type.active ~ .tab-indicator {
    transform: translateX(100%);
}

/* Traveler specific color */
.traveler-tab.active,
.traveler-style {
    color: var(--color-primary-600, var(--color-primary));
}

/* Owner/Host: success green (same tokens as navbar host role) */
.role-tab.owner-tab.active,
.owner-style {
    color: var(--color-success-700);
}

/* Role Description */
/* Audit: un solo titolo visivo – role-description come unico titolo prominente */
.role-description {
    text-align: center;
    margin-bottom: var(--spacing-4);
    min-height: var(--spacing-6);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.role-desc {
    margin: 0;
    color: var(--text-secondary);
    font-size: calc(var(--spacing-3) + var(--spacing-0-5));
    display: none;
}

.role-desc.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Auth Type Tabs (Login/Register) */
.auth-type-tabs {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
    border-bottom: 2px solid var(--border-color);
}

.auth-type-tab {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.auth-type-tab::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary-500, var(--color-primary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.auth-type-tab.active::after {
    transform: scaleX(1);
}

/* Host mode: Login/Register underline + field focus match role tab */
.auth-modal-container:has(.owner-tab.active) .auth-type-tab::after {
    background: var(--color-success-600);
}

.auth-modal-container:has(.owner-tab.active) .form-control:focus {
    border-color: var(--color-success-600);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-success-500) 15%, transparent);
}

/* Auth Forms */
.auth-form {
    display: none;
    pointer-events: none;
    opacity: 0;
    position: absolute;
}

.auth-form.active {
    display: block;
    pointer-events: auto;
    opacity: 1;
    position: relative;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   AUTH MODAL - Form scoping (labels, wrappers, inputs)
   ======================================== */

/* Password / OTP wrappers: relative for absolute toggle */
.auth-modal-container .password-input-wrapper,
.auth-modal-container .otp-input-wrapper {
    position: relative;
    display: flex;
    align-items: stretch;
}

.auth-modal-container .email-otp-wrapper {
    display: flex;
    gap: var(--spacing-2);
    align-items: stretch;
}

.auth-modal-container .email-otp-wrapper .otp-btn {
    flex-shrink: 0;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.auth-modal-container .email-otp-wrapper .otp-btn:hover {
    background: var(--color-neutral-200);
    border-color: var(--color-neutral-300);
}

.auth-modal-container .otp-input-wrapper .verify-otp-btn {
    position: absolute;
    right: var(--spacing-2);
    top: 50%;
    transform: translateY(-50%);
    width: var(--spacing-8);
    height: var(--spacing-8);
    border: none;
    background: var(--color-primary-500, var(--color-primary));
    color: var(--text-inverse);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.auth-modal-container .otp-input-wrapper .verify-otp-btn:hover {
    opacity: 0.9;
}

.auth-modal-container .otp-hint {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.toggle-password-btn {
    position: absolute;
    right: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    width: var(--spacing-8);
    height: var(--spacing-8);
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.toggle-password-btn:hover {
    background: var(--color-neutral-100);
    color: var(--text-secondary);
}

/* Form error banner (login/register submit errors) */
.auth-form-error-banner {
    display: none;
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-4);
    background: var(--color-error-50);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-md);
    color: var(--color-danger-dark, var(--color-danger));
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* Error Messages */
.error-message {
    display: block;
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: calc(var(--spacing-1) + var(--spacing-0-5));
    min-height: var(--spacing-4);
}

.auth-modal-container .form-control {
    width: 100%;
    min-height: var(--input-height);
    padding: var(--input-padding-y) var(--input-padding-x);
    font-size: var(--form-input-font-size);
    border: 1px solid var(--input-border-color);
    background: var(--input-bg);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.auth-modal-container .form-control:focus {
    border-color: var(--color-primary-500, var(--color-primary));
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.auth-modal-container .form-control[aria-invalid="true"],
.auth-modal-container .form-control.is-invalid {
    border-color: var(--color-danger);
    background-color: var(--color-error-50);
}

.auth-modal-container .submit-btn[aria-busy="true"] {
    opacity: 0.85;
    cursor: wait;
    transform: none;
}

/* Form Options (Remember Me + Forgot Password) */
.form-options {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-5);
    flex-wrap: wrap;

    @media (max-width: 640px) {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
}

.remember-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.remember-checkbox input[type="checkbox"] {
    width: var(--spacing-4);
    height: var(--spacing-4);
    cursor: pointer;
}

.remember-checkbox span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.forgot-password {
    font-size: var(--font-size-sm);
    color: var(--color-primary-600, var(--color-primary));
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-base) ease;
}

.forgot-password:hover {
    color: var(--color-primary-700, var(--color-primary));
    text-decoration: underline;
}

/* reCAPTCHA Wrapper */
.recaptcha-wrapper {
    margin-bottom: var(--spacing-5);
}

/*
 * Login / Register primary CTA — same width as .form-control, same vertical rhythm as form rows
 * (avoids narrow centered pill + avoids oversized xl type / extra padding stack).
 */
.auth-modal-container .submit-btn.btn {
    width: 100%;
    box-sizing: border-box;
    min-height: max(var(--touch-target-min), var(--form-input-height-lg));
    height: auto;
    padding: 0 var(--spacing-4);
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-700, var(--color-primary)) 100%);
    color: var(--text-inverse);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.28);
}

/* Label + FA glyph: same vertical center (FA ::before often inherits odd line-height) */
.auth-modal-container .submit-btn.btn .btn-text {
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.auth-modal-container .submit-btn.btn .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    margin: 0;
    padding: 0;
    font-size: 0.8125rem;
    line-height: 1;
    vertical-align: 0;
    transition: transform 0.2s ease;
}

.auth-modal-container .submit-btn.btn .btn-icon::before {
    display: block;
    line-height: 1;
}

.auth-modal-container .submit-btn.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.36);
}

.auth-modal-container .submit-btn.btn:hover .btn-icon {
    transform: translate3d(3px, 0, 0);
}

.auth-modal-container .submit-btn.btn:active {
    transform: translateY(0);
}

.auth-modal-container .submit-btn.owner-style.btn {
    background: var(--gradient-success);
    box-shadow: 0 2px 8px rgba(var(--color-success-rgb), 0.32);
}

.auth-modal-container .submit-btn.owner-style.btn:hover {
    box-shadow: 0 4px 14px rgba(var(--color-success-rgb), 0.42);
}

/* Legacy late-overrides migration (A2): keep auth form tokens local to auth-modal SSOT. */
.auth-modal-container .form-group,
.auth-modal-container .mb-3 {
    margin-bottom: var(--form-group-gap);
}

.auth-modal-container .form-group:last-child,
.auth-modal-container .mb-3:last-child {
    margin-bottom: 0;
}

.auth-modal-container .form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--form-label-margin-bottom, var(--spacing-1));
    font-size: var(--form-label-font-size);
}

.auth-modal-container .form-label i {
    color: var(--text-secondary);
    width: 1em;
}

.auth-modal-container .password-input-wrapper .form-control,
.auth-modal-container .otp-input-wrapper .form-control {
    padding-right: var(--spacing-10);
    flex: 1;
}

.auth-modal-container .email-otp-wrapper .form-control {
    flex: 1;
    min-width: 0;
}

.auth-modal-container .form-group label {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-2);
}

.auth-modal-loader .spinner {
    width: var(--spacing-12);
    height: var(--spacing-12);
    border: 3px solid var(--color-neutral-200);
    border-top-color: var(--color-primary-500, var(--color-primary));
    border-radius: 50%;
    animation: authModalSpin 0.8s linear infinite;
}

/* Divider */
.divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-5) 0;
}

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

.divider span {
    position: relative;
    background: var(--bg-card);
    padding: 0 var(--spacing-4);
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* Social Login Buttons */
.social-login-buttons {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-5);
}

.social-btn {
    flex: 1;
    min-height: var(--touch-target-min);
    padding: var(--spacing-3);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    color: var(--color-gray-700);
    transition: all 0.2s ease;
}

.social-btn:hover {
    border-color: var(--color-gray-300);
    background: var(--color-neutral-100);
    transform: translateY(-2px);
}

.social-btn i {
    font-size: var(--font-size-lg-plus);
}

.google-btn:hover {
    border-color: var(--color-material-red);
    color: var(--color-material-red);
}

.facebook-btn:hover {
    border-color: var(--color-material-blue);
    color: var(--color-material-blue);
}

/* ✅ v3.1.0: Social button loading state */
.social-btn.loading {
    pointer-events: none;
    opacity: 0.7;
    cursor: wait;
}

.social-btn.loading i {
    animation: authModalSpin 0.8s linear infinite;
}

/* Modal Loader */
.auth-modal-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay-light);
    border-radius: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    z-index: var(--z-modal-close);
}

.auth-modal-loader p {
    margin: 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

/* Hidden-by-default state for JS-driven OTP/UI surfaces. */
.otp-field,
.success-message,
.auth-modal-container .auth-modal-loader {
    display: none;
}

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