/* --- UNIFIED SIDEBAR COMPONENT CSS (V3 - ROBUST) --- */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #06b6d4;
    --accent: #f43f5e;
    --bg-unified: #f8fafc;
    --card-bg-unified: rgba(255, 255, 255, 0.8);
    --text-main-unified: #1e293b;
    --text-muted-unified: #64748b;
    --border-unified: #e2e8f0;
    --glass-unified: rgba(255, 255, 255, 0.7);
    --shadow-md-unified: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --sidebar-width-unified: 280px;
}

aside.sidebar {
    width: var(--sidebar-width-unified) !important;
    background: #030712 !important; /* Premium Midnight Blue */
    border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
    height: 100vh !important;
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    z-index: 20000 !important; /* TOTAL FRONT PRIORITY */
    padding: 32px 20px !important;
    display: flex !important;
    flex-direction: column !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-sizing: border-box !important;
}

aside.sidebar .logo-section {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    margin-bottom: 48px !important;
    padding: 0 12px !important;
}

aside.sidebar .logo-symbol {
    width: 40px !important;
    height: 40px !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
    border-radius: 0 !important; /* SQUARE LOOK */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: white !important;
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.2) !important;
}

aside.sidebar .logo-text {
    font-family: 'Outfit', sans-serif !important;
    font-weight: 800 !important;
    font-size: 1.25rem !important;
    letter-spacing: -0.5px !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

aside.sidebar .nav-menu {
    flex: 1 !important;
}

aside.sidebar .nav-group-label {
    font-size: 0.75rem !important;
    font-weight: 800 !important;
    color: #64748b !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    margin: 24px 12px 12px !important;
}

aside.sidebar .nav-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 14px 16px !important;
    border-radius: 14px !important; /* Modern rounded */
    color: #94a3b8 !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 0.95rem !important;
    transition: all 0.2s ease !important;
    margin-bottom: 4px !important;
    cursor: pointer !important;
    border: none !important;
    background: transparent !important;
}

aside.sidebar .nav-item:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    color: #ffffff !important;
    transform: translateX(4px) !important;
}

aside.sidebar .nav-item.active {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(59, 130, 246, 0.1)) !important;
    color: #22d3ee !important;
    box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.2) !important;
}

aside.sidebar .nav-item i {
    width: 20px !important;
    height: 20px !important;
    stroke-width: 2.2px !important;
}

aside.sidebar .sidebar-footer {
    margin-top: auto !important;
    padding-top: 24px !important;
    border-top: 1px solid rgba(255, 255, 255, 0.05) !important;
}

aside.sidebar .user-pill {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    background: rgba(255, 255, 255, 0.03) !important;
    padding: 12px !important;
    border-radius: 16px !important; /* Modern rounded */
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    color: #e2e8f0 !important;
    cursor: pointer !important;
    transition: border-color 0.2s !important;
}

aside.sidebar .user-pill:hover {
    border-color: rgba(34, 211, 238, 0.4) !important;
    background: rgba(255, 255, 255, 0.06) !important;
}

aside.sidebar .user-avatar {
    width: 36px !important;
    height: 36px !important;
    border-radius: 10px !important; /* Modern rounded */
    background: linear-gradient(135deg, #22d3ee, #3b82f6) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 700 !important;
    color: white !important;
}
@media (max-width: 900px) {
    aside.sidebar {
        transform: translateX(-100%) !important;
        box-shadow: 20px 0 50px rgba(0,0,0,0.2) !important;
    }
    aside.sidebar.active {
        transform: translateX(0) !important;
    }
}

/* --- USER POPUP DROPUP --- */
.user-popup {
    position: absolute !important;
    bottom: calc(100% + 12px) !important;
    left: 12px !important;
    right: 12px !important;
    background: white !important;
    border: 1px solid var(--border-unified) !important;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1) !important;
    display: none !important;
    flex-direction: column !important;
    z-index: 20001 !important;
    animation: slideUpFade 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.user-popup.active { display: flex !important; }

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.popup-header {
    padding: 20px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    background: #fcfdfe !important;
}

.user-avatar-lg {
    width: 44px !important;
    height: 44px !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 800 !important;
    font-size: 1.1rem !important;
}

.user-details { 
    min-width: 0 !important; 
    flex: 1 !important;
}
.user-name { 
    font-weight: 800 !important; 
    color: var(--text-main-unified) !important; 
    font-size: 0.95rem !important; 
    margin-bottom: 2px !important; 
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}
.user-email { 
    font-size: 0.75rem !important; 
    color: var(--text-muted-unified) !important; 
    font-weight: 600 !important; 
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 180px !important; /* Limit width to prevent overflow */
}

.popup-divider { height: 1px !important; background: var(--border-unified) !important; width: 100% !important; }

.popup-menu { padding: 8px !important; }

.popup-item {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 12px !important;
    color: var(--text-muted-unified) !important;
    text-decoration: none !important;
    font-size: 0.85rem !important;
    font-weight: 700 !important;
    transition: all 0.2s !important;
}
.popup-item:hover {
    background: var(--bg-unified) !important;
    color: var(--primary) !important;
}

.popup-item.logout { color: var(--accent) !important; opacity: 1 !important; }
.popup-item.logout:hover { background: #fff1f2 !important; color: var(--accent) !important; opacity: 1 !important; }

.popup-item i { width: 16px !important; height: 16px !important; stroke-width: 2.5px !important; }

/* --- COMPACT HEIGHT AND VERTICAL SCROLLING RESCUE SYSTEM --- */
aside.sidebar {
    /* Strict viewport height and block outer scrolling to protect the bottom footer */
    height: 100vh !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
}

/* Make logo and footer completely static (never shrink or hide) */
aside.sidebar .logo-section {
    flex-shrink: 0 !important;
}

aside.sidebar .sidebar-footer {
    flex-shrink: 0 !important;
    margin-top: auto !important;
}

/* Enable internal smooth vertical scroll on navigation menu only */
aside.sidebar .nav-menu {
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    scrollbar-width: none !important; /* Firefox */
    -ms-overflow-style: none !important;  /* IE/Edge */
}

aside.sidebar .nav-menu::-webkit-scrollbar {
    display: none !important; /* Chrome/Safari */
}

/* On medium width viewports (standard tablet/desktop transitions) or low height displays,
   automatically apply extremely space-efficient margins and padding to fit everything perfectly */
@media (min-width: 901px) and (max-width: 1400px), (max-height: 850px) {
    aside.sidebar {
        padding: 20px 12px !important;
    }
    aside.sidebar .logo-section {
        margin-bottom: 20px !important;
        padding: 0 8px !important;
    }
    aside.sidebar .nav-group-label {
        margin: 12px 8px 4px !important;
        font-size: 0.7rem !important;
    }
    aside.sidebar .nav-item {
        padding: 8px 12px !important;
        font-size: 0.85rem !important;
        gap: 8px !important;
        margin-bottom: 2px !important;
    }
    aside.sidebar .sidebar-footer {
        padding-top: 10px !important;
        margin-top: 10px !important;
    }
    aside.sidebar .user-pill {
        padding: 8px !important;
        gap: 8px !important;
    }
}

/* Ultra-compact mode for very short viewports (standard laptops like 1366x768 or zoomed displays) */
@media (max-height: 740px) {
    aside.sidebar {
        padding: 12px 8px !important;
    }
    aside.sidebar .logo-section {
        margin-bottom: 12px !important;
        padding: 0 4px !important;
    }
    aside.sidebar .logo-section img {
        max-width: 110px !important;
    }
    aside.sidebar .nav-group-label {
        margin: 8px 8px 2px !important;
        font-size: 0.62rem !important;
    }
    aside.sidebar .nav-item {
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
        gap: 6px !important;
        margin-bottom: 1px !important;
    }
    aside.sidebar .sidebar-footer {
        padding-top: 6px !important;
        margin-top: 6px !important;
    }
    aside.sidebar .user-pill {
        padding: 6px !important;
        gap: 6px !important;
    }
    aside.sidebar .user-avatar {
        width: 26px !important;
        height: 26px !important;
    }
}