/* Side Navigation Pro - (v56 Restoration & Vertical Stability) */

.dut-side-nav-container {
    position: fixed;
    top: 0;
    height: 100vh;
    z-index: 999999;
    display: flex;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dut-side-nav-left { left: 0; }
.dut-side-nav-right { right: 0; flex-direction: row-reverse; }

/* Sidebar Base */
#dut-side-nav-pro {
    width: var(--dut-sn-width-collapsed);
    height: 100%;
    background: var(--dut-sn-bg);
    box-shadow: 0 0 40px rgba(0,0,0,0.06);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(0,0,0,0.05);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    pointer-events: auto;
    z-index: 100 !important;
    position: relative;
}

.dut-side-nav-right #dut-side-nav-pro { 
    border-right: none; 
    border-left: 1px solid rgba(0,0,0,0.05); 
}

/* Overlay */
.dut-side-nav-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s;
    z-index: 90 !important;
}

@media (min-width: 992px) {
    .dut-side-nav-container:hover #dut-side-nav-pro {
        width: var(--dut-sn-width-expanded);
    }
}

#dut-side-nav-pro .dut-sn-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100% !important;
    max-width: var(--dut-sn-width-expanded);
    padding-top: var(--dut-sn-padding-top);
    padding-bottom: var(--dut-sn-padding-bottom);
}

/* Header / Logo (v56 Restoration) */
#dut-side-nav-pro .dut-sn-header {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-shrink: 0;
    overflow: hidden;
    padding: 0;
    position: relative;
}

#dut-side-nav-pro .dut-sn-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    background: rgba(0,0,0,0.05);
    border: none;
    border-radius: 50%;
    color: var(--dut-sn-text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

#dut-side-nav-pro .dut-sn-close-btn i {
    font-size: 20px;
}

#dut-side-nav-pro .dut-sn-close-btn:hover {
    background: rgba(0,0,0,0.1);
    transform: rotate(90deg);
}

@media (min-width: 992px) {
    .dut-side-nav-container:hover #dut-side-nav-pro .dut-sn-close-btn {
        opacity: 1;
        visibility: visible;
    }
}

.dut-side-nav-right #dut-side-nav-pro .dut-sn-close-btn {
    right: auto;
    left: 15px;
}

#dut-side-nav-pro .dut-sn-logo-wrapper {
    width: var(--dut-sn-width-collapsed);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
}

#dut-side-nav-pro .dut-sn-header img {
    height: var(--dut-sn-logo-h) !important;
    max-width: 80% !important; /* synced with injected CSS for consistency */
    width: auto !important;
    object-fit: contain !important;
    transition: all 0.3s ease;
}

#dut-side-nav-pro .dut-sn-header img.dut-sn-logo-mb { 
    display: none !important; 
}

@media (max-width: 991px) {
    #dut-side-nav-pro .dut-sn-header img.dut-sn-logo-mb { 
        display: block !important; 
    }
    
    #dut-side-nav-pro .dut-sn-header.has-logo-mb .dut-sn-logo-pc {
        display: none !important;
    }

    /* v64/v65: Safety margin for Logo vs Close Button */
    #dut-side-nav-pro .dut-sn-logo-wrapper {
        padding-right: 50px !important; /* Protect area for X button on left-nav */
    }
    .dut-side-nav-right #dut-side-nav-pro .dut-sn-logo-wrapper {
        padding-right: 0 !important;
        padding-left: 50px !important; /* Protect area for X button on right-nav */
    }
}

/* Custom Image Icon Fix v57 */
#dut-side-nav-pro .dut-sn-custom-img {
    width: var(--dut-sn-is) !important;
    height: var(--dut-sn-is) !important;
    max-width: 80% !important; /* Safe scaling */
    object-fit: cover !important;
    border-radius: 6px;
    display: block;
}

/* Menu Items (v58 Adaptive Narrow) */
#dut-side-nav-pro .dut-sn-menu {
    padding: 10px 0;
}

#dut-side-nav-pro .dut-sn-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    gap: var(--dut-sn-item-gap);
}

#dut-side-nav-pro .dut-sn-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 48px;
    border-radius: 12px;
    text-decoration: none !important;
    color: var(--dut-sn-text-color) !important;
    transition: background 0.25s, color 0.25s;
    position: relative;
    border: none !important;
    box-shadow: none !important;
    cursor: pointer !important;
    margin: 0 4px; /* Reduced from 12px for 50px width support */
}

#dut-side-nav-pro .dut-sn-link:hover, 
#dut-side-nav-pro .dut-sn-item.is-active .dut-sn-link {
    background: rgba(0,0,0,0.03);
    color: var(--dut-sn-active-color) !important;
}

#dut-side-nav-pro .dut-sn-icon-box {
    width: calc(var(--dut-sn-width-collapsed) - 8px); /* Adaptive to small margin */
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    pointer-events: none;
}

#dut-side-nav-pro .dut-sn-icon-box i {
    font-size: var(--dut-sn-is) !important;
    transition: transform 0.2s;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

#dut-side-nav-pro .dut-sn-label {
    margin-left: 10px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
    font-size: var(--dut-sn-fs);
    font-weight: var(--dut-sn-fw);
    pointer-events: none;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dut-side-nav-container:hover #dut-side-nav-pro .dut-sn-label {
    opacity: 1;
    visibility: visible;
}

/* Tooltip & Badge */
#dut-side-nav-pro .dut-sn-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    font-size: 9px;
    color: #fff !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    z-index: 2;
}

#dut-side-nav-pro .dut-sn-tooltip {
    position: absolute;
    left: calc(100% + 15px);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #1d1d1f;
    color: #fff !important;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    pointer-events: none !important;
    opacity: 0;
    transition: all 0.2s;
    white-space: nowrap;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.dut-side-nav-container:hover #dut-side-nav-pro .dut-sn-tooltip {
    display: none !important;
}

#dut-side-nav-pro .dut-sn-link:hover .dut-sn-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Footer (v58 Final Fixes) */
#dut-side-nav-pro .dut-sn-footer {
    border-top: 1px solid rgba(0,0,0,0.05);
    height: 80px;
    display: flex;
    align-items: center;
    overflow: hidden;
    width: 100%;
}

#dut-side-nav-pro .dut-sn-footer-content-wrap {
    display: flex;
    align-items: center;
    width: 100%;
}

#dut-side-nav-pro .dut-sn-user-clickable {
    display: flex;
    align-items: center;
    text-decoration: none !important;
    color: inherit !important;
    width: 100%;
    height: 100%;
}

#dut-side-nav-pro .dut-sn-user {
    display: flex;
    align-items: center;
    width: 100%;
}

#dut-side-nav-pro .dut-sn-avatar-box {
    width: var(--dut-sn-width-collapsed);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#dut-side-nav-pro .dut-sn-avatar-box img {
    width: var(--dut-sn-avatar-size) !important;
    height: var(--dut-sn-avatar-size) !important;
    border-radius: 50% !important;
    border: 2px solid #fff !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08) !important;
    object-fit: cover !important;
}

#dut-side-nav-pro .dut-sn-user-info {
    flex: 1;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    font-size: 13px;
    font-weight: 700;
    overflow: hidden;
    padding-left: 12px;
}

.dut-side-nav-container:hover #dut-side-nav-pro .dut-sn-user-info {
    opacity: 1;
    visibility: visible;
}

#dut-side-nav-pro .dut-sn-footer-actions {
    padding-right: 15px;
    opacity: 0;
    transition: all 0.3s;
}

.dut-side-nav-container:hover #dut-side-nav-pro .dut-sn-footer-actions {
    opacity: 1;
}

#dut-side-nav-pro .dut-sn-logout-link {
    color: #ef4444 !important;
    font-size: 18px;
    opacity: 0.6;
    transition: opacity 0.2s;
}

#dut-side-nav-pro .dut-sn-logout-link:hover {
    opacity: 1;
}

/* Mobile Styling Final (v60 Patch) */
@media (max-width: 991px) {
    .dut-side-nav-container {
        pointer-events: none;
        visibility: hidden;
    }

    .dut-side-nav-container.is-open {
        pointer-events: auto;
        visibility: visible;
    }

    .dut-side-nav-container.is-open .dut-side-nav-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    #dut-side-nav-pro {
        width: var(--dut-sn-width-mb) !important; /* Connected to Admin setting (v60) */
        transform: translateX(-100%); 
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        padding-bottom: 20px; /* Fix bottom gap (v60) */
    }

    .dut-side-nav-right #dut-side-nav-pro {
        transform: translateX(100%); 
    }

    .is-open #dut-side-nav-pro {
        transform: translateX(0) !important;
    }

    #dut-side-nav-pro .dut-sn-close-btn {
        opacity: 1 !important;
        visibility: visible !important;
    }

    #dut-side-nav-pro .dut-sn-logo-wrapper {
        width: 100% !important; /* allow logo to use full mobile sidebar width (v62) */
        justify-content: flex-start !important; /* keep logo on the left as requested (v62) */
        padding-left: 15px; /* balanced spacing since we removed fixed boxes (v62) */
    }

    #dut-side-nav-pro .dut-sn-label,
    #dut-side-nav-pro .dut-sn-user-info,
    #dut-side-nav-pro .dut-sn-footer-actions {
        opacity: 1 !important;
        visibility: visible !important;
    }

    #dut-side-nav-pro .dut-sn-footer {
        height: auto;
        min-height: 80px;
        display: flex !important; /* Ensure footer container is active to hold space (v62) */
    }

    #dut-side-nav-pro .dut-sn-footer:empty {
        display: none !important; /* Hide giant gap if profile is absent (v62) */
    }
}