/* ============================================
   NAVBAR OVERRIDE - COMPLETE PROFESSIONAL DESIGN
   ============================================ */

/* ========== HEADER ========== */
.medical-navbar-header {
    background: linear-gradient(135deg, #0A4D8C 0%, #1565C0 100%) !important;
    padding: 1.5rem 1.25rem !important;
    border-bottom: 3px solid #10B981 !important;
    box-shadow: 0 2px 8px rgba(10, 77, 140, 0.15) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

/* ========== LOGO ========== */
.logo-icon {
    width: 40px !important;
    height: 40px !important;
    color: #10B981 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    filter: drop-shadow(0 2px 4px rgba(16, 185, 129, 0.3)) !important;
    animation: pulse 2s ease-in-out infinite !important;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ========== BRAND TEXT ========== */
.brand-text {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.15rem !important;
}

.brand-name {
    font-size: 1.35rem !important;
    font-weight: 700 !important;
    color: #FFFFFF !important;
    letter-spacing: -0.5px !important;
    line-height: 1 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.brand-subtitle {
    font-size: 0.7rem !important;
    color: #10B981 !important;
    font-weight: 500 !important;
    letter-spacing: 0.5px !important;
    text-transform: uppercase !important;
    opacity: 0.95 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    visibility: visible !important;
}

/* ========== NAVIGATION CONTAINER ========== */
.nav-scrollable {
    background: #FFFFFF !important;
}

/* ========== SECTION TITLES ========== */
.nav-section-title {
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    color: #64748B !important;
    letter-spacing: 1px !important;
    padding: 1rem 1.25rem 0.5rem !important;
    text-transform: uppercase !important;
    margin: 0 !important;
}

/* ========== NAVIGATION ITEMS ========== */
.nav-item {
    padding: 0.25rem 0.75rem !important;
    list-style: none !important;
}

.nav-item .nav-link {
    display: flex !important;
    align-items: center !important;
    gap: 0.875rem !important;
    padding: 0.875rem 1rem !important;
    color: #475569 !important;
    background: transparent !important;
    border: none !important;
    border-radius: 10px !important;
    text-decoration: none !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
    font-weight: 500 !important;
    font-size: 0.925rem !important;
}

/* Green bar on hover */
.nav-item .nav-link::before {
    content: '' !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    height: 100% !important;
    width: 3px !important;
    background: #10B981 !important;
    transform: scaleY(0) !important;
    transition: transform 0.25s ease !important;
}

/* Hover effect */
.nav-item .nav-link:hover {
    background: linear-gradient(90deg, rgba(10, 77, 140, 0.06) 0%, transparent 100%) !important;
    color: #0A4D8C !important;
    transform: translateX(4px) !important;
}

.nav-item .nav-link:hover::before {
    transform: scaleY(1) !important;
}

/* Active state */
.nav-item a.active {
    background: linear-gradient(135deg, #0A4D8C 0%, #1565C0 100%) !important;
    color: #FFFFFF !important;
    box-shadow: 0 4px 12px rgba(10, 77, 140, 0.25) !important;
    font-weight: 600 !important;
}

.nav-item a.active::before {
    background: #10B981 !important;
    transform: scaleY(1) !important;
}

.nav-item a.active:hover {
    transform: translateX(0) !important;
    box-shadow: 0 6px 16px rgba(10, 77, 140, 0.35) !important;
}

/* Active link icon color */
.nav-item a.active .nav-icon svg {
    stroke: #FFFFFF !important;
}

/* ========== ICONS ========== */
.nav-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 20px !important;
    height: 20px !important;
    flex-shrink: 0 !important;
}

.nav-icon svg {
    width: 100% !important;
    height: 100% !important;
    display: block !important;
}

/* ========== SIDEBAR ========== */
.sidebar {
    background: #FFFFFF !important;
    box-shadow: 2px 0 12px rgba(10, 77, 140, 0.08) !important;
    border-right: 1px solid #E2E8F0 !important;
}

/* ========== HAMBURGER BUTTON ========== */
.navbar-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    border: none;
    background: transparent;
    border-radius: 8px;
    padding: 8px;
    flex-shrink: 0;
    transition: background 0.2s;
}

.navbar-hamburger:hover {
    background: rgba(255, 255, 255, 0.15) !important;
}

.navbar-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #FFFFFF;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.navbar-hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar-hamburger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar-hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========== MOBILE STYLES (≤ 1024px) ========== */
@media (max-width: 1024px) {
    .navbar-hamburger {
        display: flex !important;
    }

    .sidebar {
        width: 100% !important;
        height: auto !important;
        position: relative !important;
        border-right: none !important;
        border-bottom: 1px solid #E2E8F0 !important;
    }

    .nav-scrollable {
        display: none !important;
        max-height: 75vh !important;
        overflow-y: auto !important;
    }

    .nav-scrollable.nav-open {
        display: block !important;
    }
}

/* ========== DESKTOP STYLES (≥ 1025px) ========== */
@media (min-width: 1025px) {
    .navbar-hamburger {
        display: none !important;
    }

    .nav-scrollable {
        display: block !important;
    }

    .medical-navbar-header {
        padding: 1.75rem 1.25rem !important;
    }

    .logo-icon {
        width: 45px !important;
        height: 45px !important;
    }

    .brand-name {
        font-size: 1.5rem !important;
    }

    .brand-subtitle {
        font-size: 0.75rem !important;
    }

    .sidebar {
        width: 280px !important;
        height: 100vh !important;
        position: sticky !important;
        top: 0 !important;
    }
}

/* ========== SCROLLBAR ========== */
.nav-scrollable::-webkit-scrollbar {
    width: 6px !important;
}

.nav-scrollable::-webkit-scrollbar-track {
    background: transparent !important;
}

.nav-scrollable::-webkit-scrollbar-thumb {
    background: #CBD5E1 !important;
    border-radius: 3px !important;
}

.nav-scrollable::-webkit-scrollbar-thumb:hover {
    background: #94A3B8 !important;
}

/* ========== ACCESSIBILITY ========== */
.nav-item:focus-visible {
    outline: 2px solid #0369a1 !important;
    outline-offset: 2px !important;
}

.navbar-hamburger:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.6) !important;
    outline-offset: 2px !important;
}

/* ========== ANIMATIONS ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}