.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: -400px;
    width: 400px;
    z-index: 1050;
    padding: 0;
    background-color: #000000;
    transition: left 0.3s ease-in-out;
    overflow-y: auto;
}

.sidebar-open {
    left: 0;
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: 100vh;
    padding-top: 90px;
    overflow-x: hidden;
    overflow-y: auto;
}

.main-content {
    padding-left: 0;
}

/* Hamburger Button (deprecated - now in navbar) */
.hamburger-btn {
    display: none;
}


.hamburger-icon {
    width: 30px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Animated X when menu open */
.hamburger-btn[aria-expanded="true"] .hamburger-icon:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger-btn[aria-expanded="true"] .hamburger-icon:nth-child(2) {
    opacity: 0;
}

.hamburger-btn[aria-expanded="true"] .hamburger-icon:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Menu Backdrop */
.menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Sidebar Grid Layout */
.sidebar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 10px;
    list-style: none;
    margin: 0;
}

.nav-item {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-link {
    color: #fff;
    padding: .75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    transition: background-color 0.2s ease;
    text-decoration: none;
    gap: 8px;
}

.nav-link:hover {
    color: #fff;
    background-color: #333333;
}

.nav-link.active {
    color: #fff;
    background-color: #1a1a1a;
    border: 2px solid #007bff;
}

.button-style {
}

.button-style-wfuv img {
    background-color: #fff;
}

.popular-songs-table > :not(caption) > * > * {
    border-bottom-width: 0px;
}

/* Legacy search styles (deprecated - now in navbar) */
.search-container {
    display: none;
}

.search-results {
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.search-result-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}

.search-result-item:hover {
    background-color: #f8f9fa;
}

.search-result-item:last-child {
    border-bottom: none;
}

/* Analytics styles */
.analytics-container {
    padding: 20px 0;
}

.analytics-container h2 {
    margin-bottom: 1.5rem;
}

.analytics-container h4 {
    margin-bottom: 1rem;
    color: #333;
}

/* Full-page loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-content {
    text-align: center;
}

.loading-content .spinner-border {
    width: 3rem;
    height: 3rem;
    color: #007bff;
}

.loading-content p {
    font-size: 1.2rem;
    color: #333;
    margin-top: 1rem;
}

/* Top 100 View Styles */
.top100-container {
    padding: 20px 0;
}

.top100-table {
    font-size: 0.9rem;
}

.top100-table thead th {
    background-color: #f8f9fa;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

.rank-badge {
    display: inline-block;
    min-width: 30px;
    font-weight: 600;
    color: #495057;
}

.trend-indicator {
    font-size: 1.2rem;
    font-weight: bold;
}

.top100-nav button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px;
    font-weight: 600;
    transition: transform 0.2s;
    color: white;
}

.top100-nav button:hover:not(:disabled) {
    transform: translateY(-2px);
    color: white;
}

.top100-nav button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        width: 400px;
    }

    .sidebar-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .main-content {
        padding-top: 70px;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 320px;
    }

    .sidebar-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 8px;
    }

    .hamburger-btn {
        width: 45px;
        height: 45px;
    }

    .hamburger-icon {
        width: 25px;
    }

    .main-content {
        padding-top: 70px;
    }
}

/* ========================================
   TOP NAVIGATION BAR
   ======================================== */

/* Fixed navbar at top */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background-color: #000000;
    z-index: 1070;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 15px;
    max-width: 100%;
    gap: 15px;
}

/* Navbar sections */
.navbar-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.navbar-center {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.navbar-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

/* Hamburger button in navbar */
.hamburger-btn-navbar {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 10px;
    transition: background-color 0.2s ease;
}

.hamburger-btn-navbar:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.hamburger-btn-navbar:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

.hamburger-btn-navbar .hamburger-icon {
    width: 30px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Animated X when menu open */
.hamburger-btn-navbar[aria-expanded="true"] .hamburger-icon:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger-btn-navbar[aria-expanded="true"] .hamburger-icon:nth-child(2) {
    opacity: 0;
}

.hamburger-btn-navbar[aria-expanded="true"] .hamburger-icon:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Search in navbar */
.search-container-navbar {
    width: 100%;
}

.search-container-navbar .form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 10px 15px;
    border-radius: 25px;
    font-size: 0.95rem;
}

.search-container-navbar .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-container-navbar .form-control:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #007bff;
    color: #ffffff;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Search results dropdown in navbar */
.search-results-navbar {
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1080;
}

.search-result-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}

.search-result-item:hover {
    background-color: #f8f9fa;
}

.search-result-item:last-child {
    border-bottom: none;
}

/* Top 100 button in navbar */
.btn-navbar-top100 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 10px 20px;
    font-weight: 600;
    color: white;
    border-radius: 25px;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
    font-size: 0.9rem;
}

.btn-navbar-top100:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-navbar-top100:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Main content adjustment for navbar */
.main-content-with-navbar {
    padding-top: 70px;
}

/* Update sidebar to account for navbar */
.sidebar-sticky {
    padding-top: 90px;
}

/* ========================================
   RESPONSIVE NAVBAR STYLES
   ======================================== */

@media (max-width: 768px) {
    .navbar-container {
        padding: 0 10px;
        gap: 10px;
    }

    .navbar-center {
        max-width: 400px;
    }

    .btn-navbar-top100 {
        padding: 8px 15px;
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .top-navbar {
        height: 60px;
    }

    .navbar-container {
        gap: 8px;
        padding: 0 8px;
    }

    .hamburger-btn-navbar {
        width: 45px;
        height: 45px;
    }

    .hamburger-btn-navbar .hamburger-icon {
        width: 25px;
    }

    .navbar-center {
        max-width: 250px;
    }

    .btn-navbar-top100 {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .main-content-with-navbar {
        padding-top: 60px;
    }

    .sidebar-sticky {
        padding-top: 80px;
    }
}

/* Ultra-small screens: hide Top 100 button */
@media (max-width: 400px) {
    .navbar-right {
     /*   display: none;*/
    }

    .navbar-center {
        max-width: none;
        flex: 1;
    }
}

/* ========================================
   TOOLTIP CUSTOMIZATION
   ======================================== */

/* Bootstrap tooltip customization */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    max-width: 300px;
    text-align: left;
    padding: 0.5rem 0.75rem;
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Responsive tooltip adjustments */
@media (max-width: 768px) {
    .tooltip-inner {
        max-width: 250px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .tooltip-inner {
        max-width: 200px;
    }
}