/* ===============================================
   NAVIGATION SYSTEM STYLES
   File: navigation-styles.css
   =============================================== */

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.nav-toast {
    position: fixed !important;
    bottom: 20px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    background: rgba(22, 33, 62, 0.95) !important;
    color: white !important;
    padding: 12px 20px !important;
    border-radius: 25px !important;
    z-index: 10000 !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    font-size: 14px !important;
    max-width: 90% !important;
    text-align: center !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
    pointer-events: auto !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    font-weight: 500 !important;
}

/* Varianti toast */
.nav-toast.success {
    background: rgba(39, 174, 96, 0.95) !important;
    border-color: rgba(39, 174, 96, 0.3) !important;
}

.nav-toast.warning {
    background: rgba(243, 156, 18, 0.95) !important;
    border-color: rgba(243, 156, 18, 0.3) !important;
}

.nav-toast.error {
    background: rgba(231, 76, 60, 0.95) !important;
    border-color: rgba(231, 76, 60, 0.3) !important;
}

/* ========================================
   MOBILE BREADCRUMB
   ======================================== */

.mobile-breadcrumb {
    display: none;
    position: fixed;
    top: 65px;
    left: 10px;
    right: 10px;
    background: rgba(22, 33, 62, 0.9);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    z-index: 999;
    font-size: 12px;
    color: var(--text-secondary, #a0aec0);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.mobile-breadcrumb.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.mobile-breadcrumb .breadcrumb-item {
    display: inline;
    color: var(--accent-3, #2d82b5);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    text-decoration: none;
    user-select: none;
}

.mobile-breadcrumb .breadcrumb-item:hover {
    background: rgba(45, 130, 181, 0.2);
    color: var(--accent-4, #42e6a4);
}

.mobile-breadcrumb .breadcrumb-item:active {
    transform: scale(0.95);
}

.mobile-breadcrumb .breadcrumb-separator {
    margin: 0 8px;
    color: var(--text-muted, #718096);
    font-weight: normal;
    user-select: none;
}

.mobile-breadcrumb .breadcrumb-current {
    color: var(--accent-4, #42e6a4);
    font-weight: 600;
    user-select: none;
}

/* ========================================
   NAVIGATION IMPROVEMENTS
   ======================================== */

/* Miglioramenti UX per elementi di navigazione */
.nav-item {
    user-select: none !important;
    -webkit-tap-highlight-color: transparent !important;
    position: relative;
}

.nav-item:active,
.back-btn:active,
.new-thread-btn:active,
.btn-primary:active {
    transform: scale(0.98) !important;
    transition: transform 0.1s ease !important;
}

/* Indicatori visivi per sezione corrente */
body[data-current-section] .nav-item[data-section]::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--accent-4, #42e6a4);
    border-radius: 2px;
    transition: height 0.3s ease;
}

body[data-current-section="home"] .nav-item[data-section="home"]::before,
body[data-current-section="eventi"] .nav-item[data-section="eventi"]::before,
body[data-current-section="oggetti"] .nav-item[data-section="oggetti"]::before,
body[data-current-section="novita"] .nav-item[data-section="novita"]::before,
body[data-current-section="salotto"] .nav-item[data-section="salotto"]::before,
body[data-current-section="segnalazioni"] .nav-item[data-section="segnalazioni"]::before,
body[data-current-section="chat-generale"] .nav-item[data-section="chat-generale"]::before,
body[data-current-section="associa-clan"] .nav-item[data-section="associa-clan"]::before {
    height: 20px;
}

/* Miglioramenti per il pulsante indietro */
.back-btn {
    position: relative;
    transition: all 0.3s ease !important;
}

.back-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(45, 130, 181, 0.4) !important;
}

/* Tooltip per desktop */
.back-btn::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    margin-bottom: 5px;
    z-index: 1000;
}

.back-btn:hover::after {
    opacity: 1;
}

/* ========================================
   MOBILE SPECIFIC STYLES
   ======================================== */

@media (max-width: 768px) {
    /* Toast mobile positioning */
    .nav-toast {
        bottom: 80px !important;
        font-size: 13px !important;
        padding: 10px 16px !important;
        max-width: 85% !important;
        margin-left: 10px !important;
        margin-right: 10px !important;
    }
    
    /* Breadcrumb mobile refinements */
    .mobile-breadcrumb {
        top: 70px;
        left: 15px;
        right: 15px;
        font-size: 11px;
        padding: 6px 12px;
    }
    
    /* Nascondi tooltip su mobile */
    .back-btn::after {
        display: none !important;
    }
    
    /* Miglioramenti touch per mobile */
    .nav-item {
        min-height: 44px; /* Target size iOS/Android */
        display: flex !important;
        align-items: center !important;
    }
    
    /* Indicatori di sezione più visibili su mobile */
    body[data-current-section] .nav-item[data-section]::before {
        left: -6px;
        width: 3px;
    }
    
    /* Classe per dispositivi mobile */
    body.mobile-nav-active {
        /* Spazio per breadcrumb quando visibile */
    }
    
    body.mobile-nav-active .mobile-breadcrumb.show ~ .main-content {
        padding-top: calc(80px + 2rem) !important;
    }
}

/* Mobile molto piccolo */
@media (max-width: 480px) {
    .nav-toast {
        bottom: 70px !important;
        font-size: 12px !important;
        padding: 8px 12px !important;
        max-width: 80% !important;
        left: 50% !important;
        right: auto !important;
        margin: 0 !important;
    }
    
    .mobile-breadcrumb {
        top: 65px;
        left: 10px;
        right: 10px;
        font-size: 10px;
        padding: 5px 10px;
        border-radius: 15px;
    }
    
    .mobile-breadcrumb .breadcrumb-separator {
        margin: 0 6px;
    }
    
    /* Riduce altezza minima su schermi molto piccoli */
    .nav-item {
        min-height: 40px;
        padding: 0.6rem 1rem !important;
    }
}

/* ========================================
   ANIMATION ENHANCEMENTS
   ======================================== */

/* Animazione per apparizione breadcrumb */
@keyframes breadcrumbSlideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-breadcrumb.show {
    animation: breadcrumbSlideDown 0.3s ease;
}

/* Animazione per toast */
@keyframes toastSlideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.nav-toast {
    animation: toastSlideUp 0.3s ease;
}

/* Pulse per elementi interattivi */
@keyframes navigationPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(66, 230, 164, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(66, 230, 164, 0);
    }
}

.nav-item.active::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-4, #42e6a4);
    border-radius: 50%;
    animation: navigationPulse 2s infinite;
}

/* ========================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================== */

/* Focus styles migliorati */
.nav-item:focus,
.back-btn:focus,
.breadcrumb-item:focus {
    outline: 2px solid var(--accent-4, #42e6a4) !important;
    outline-offset: 2px !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .nav-toast,
    .mobile-breadcrumb,
    .nav-item,
    .back-btn {
        animation: none !important;
        transition: none !important;
    }
    
    .nav-item.active::after {
        animation: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .nav-toast {
        background: #000 !important;
        border: 2px solid #fff !important;
    }
    
    .mobile-breadcrumb {
        background: #000 !important;
        border: 2px solid #fff !important;
    }
    
    .breadcrumb-item {
        color: #fff !important;
    }
}

/* ========================================
   DARK MODE REFINEMENTS
   ======================================== */

@media (prefers-color-scheme: dark) {
    .nav-toast {
        background: rgba(0, 0, 0, 0.95) !important;
        border-color: rgba(255, 255, 255, 0.2) !important;
    }
    
    .mobile-breadcrumb {
        background: rgba(0, 0, 0, 0.9) !important;
        border-color: rgba(255, 255, 255, 0.15) !important;
    }
}

/* ========================================
   TABLET STYLES
   ======================================== */

@media (min-width: 769px) and (max-width: 1024px) {
    .nav-toast {
        bottom: 30px !important;
        font-size: 14px !important;
    }
    
    .mobile-breadcrumb {
        top: 70px;
        left: 20px;
        right: 20px;
        font-size: 13px;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .nav-toast,
    .mobile-breadcrumb {
        display: none !important;
    }
}

/* ========================================
   LOADING STATES
   ======================================== */

.nav-loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.nav-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--accent-4, #42e6a4);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}