* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
    overflow: hidden;
    line-height: 1.4;
    font-weight: 600;
    font-size: 13px;
}

html {
    transition: none !important;
}

html.js-loaded {
    transition: background 0.3s ease, color 0.3s ease;
}



.dark-theme {
    background: linear-gradient(135deg, var(--dark-bg-primary) 0%, var(--dark-bg-secondary) 100%);
    color: var(--dark-text);
    background-attachment: fixed;
}

.light-theme {
    background:
        var(--light-gradient-1),
        var(--light-gradient-2),
        var(--light-gradient-3),
        var(--light-gradient-main);
    color: var(--light-text);
    background-attachment: fixed;
}

.main-content {
    margin-left: 220px;
    margin-top: 60px;
    padding: clamp(10px, 3vw, 24px) clamp(10px, 3vw, 24px) 120px clamp(10px, 3vw, 24px);
    height: calc(100vh - 60px);
    max-height: calc(100vh - 60px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    max-width: calc(100vw - 220px);
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    scrollbar-width: thick;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.main-content::-webkit-scrollbar {
    width: clamp(8px, 1.5vw, 12px);
}

.main-content::-webkit-scrollbar-track {
    background: var(--transparent);
    border-radius: clamp(8px, 1.5vw, 12px);
    margin: clamp(5px, 1.2vw, 8px);
}

.main-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--dark-secondary-60), var(--accent-1-primary-40));
    border-radius: clamp(8px, 1.5vw, 12px);
    border: clamp(2px, 0.4vw, 3px) solid var(--transparent);
    background-clip: padding-box;
    box-shadow: 0 2px 8px var(--dark-secondary-30);
}

.main-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--dark-secondary-80), var(--accent-1-primary-60));
    box-shadow: 0 4px 16px var(--dark-secondary-50);
}

.light-theme .main-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--light-primary-60), var(--error-primary-40));
    box-shadow: 0 2px 8px var(--light-primary-30);
}

.light-theme .main-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--light-primary-80), var(--error-primary-60));
    box-shadow: 0 4px 16px var(--light-primary-50);
}

@media (min-width: 1400px) {
    .main-content {
        padding: 16px 20px 120px 20px;
        overflow-y: auto;
        overflow-x: hidden;
        height: calc(100vh - 60px);
        max-height: calc(100vh - 60px);
    }
}

@media (min-width: 1600px) {
    .main-content {
        padding: 18px 24px 120px 24px;
        height: calc(100vh - 60px);
        max-height: calc(100vh - 60px);
    }
}

@media (min-width: 1920px) {
    .main-content {
        padding: 20px 28px 120px 28px;
        height: calc(100vh - 60px);
        max-height: calc(100vh - 60px);
    }
}

.sidebar.collapsed ~ * .main-content,
body:has(.sidebar.collapsed) .main-content {
    margin-left: 0;
    max-width: 100vw;
}

@media (min-width: 768px) {
    .main-content {
        max-width: calc(100vw - 220px);
    }
    
    .sidebar.collapsed ~ * .main-content,
    body:has(.sidebar.collapsed) .main-content {
        max-width: 100vw;
    }
}

@media (min-width: 1024px) {
    .main-content {
        margin-top: 70px;
        height: calc(100vh - 70px);
        max-height: calc(100vh - 70px);
    }
    
    *::-webkit-scrollbar {
        width: clamp(12px, 2.5vw, 18px);
        height: clamp(12px, 2.5vw, 18px);
    }
}

@media (max-width: 1280px) {
    .main-content {
        margin-left: 0;
        max-width: 100vw;
    }
}

@media (max-width: 768px) {
    *::-webkit-scrollbar {
        width: clamp(8px, 2vw, 12px);
        height: clamp(8px, 2vw, 12px);
    }
}

@media (max-width: 640px) {
    *::-webkit-scrollbar {
        width: clamp(6px, 1.5vw, 10px);
        height: clamp(6px, 1.5vw, 10px);
    }
    
    *::-webkit-scrollbar-thumb {
        border: clamp(1px, 0.3vw, 2px) solid var(--transparent);
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: clamp(6px, 2.5vw, 12px) clamp(6px, 2.5vw, 12px) 100px clamp(6px, 2.5vw, 12px);
        margin-top: clamp(48px, 10vh, 56px);
        height: calc(100vh - clamp(48px, 10vh, 56px));
        max-height: calc(100vh - clamp(48px, 10vh, 56px));
    }
    
    *::-webkit-scrollbar {
        width: clamp(4px, 1vw, 8px);
        height: clamp(4px, 1vw, 8px);
    }
    
    *::-webkit-scrollbar-track {
        margin: clamp(4px, 1vw, 8px);
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .main-content {
        margin-top: clamp(32px, 6vh, 48px);
        min-height: calc(100vh - clamp(32px, 6vh, 48px));
    }
    
    *::-webkit-scrollbar {
        width: clamp(6px, 1.2vw, 10px);
        height: clamp(6px, 1.2vw, 10px);
    }
}

@media print {
    .main-content {
        margin: 0 !important;
        padding: 12px !important;
        max-width: 100% !important;
    }
    
    *::-webkit-scrollbar {
        display: none !important;
    }
}

@keyframes darkGradientShift {
    0% { background-position: 0% 50%; }
    25% { background-position: 100% 50%; }
    50% { background-position: 200% 50%; }
    75% { background-position: 300% 50%; }
    100% { background-position: 400% 50%; }
}

@keyframes lightGradientShift {
    0% { background-position: 0% 50%; }
    20% { background-position: 80% 50%; }
    40% { background-position: 160% 50%; }
    60% { background-position: 240% 50%; }
    80% { background-position: 320% 50%; }
    100% { background-position: 400% 50%; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-1px); }
    75% { transform: translateX(1px); }
}

@keyframes sunRotate {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes moonGlow {
    0%, 100% { 
        box-shadow: 0 0 8px rgba(200, 200, 255, 0.3), inset -2px -2px 4px rgba(100, 100, 150, 0.2);
    }
    50% { 
        box-shadow: 0 0 16px rgba(200, 200, 255, 0.5), inset -2px -2px 6px rgba(100, 100, 150, 0.3);
    }
}

@keyframes slideLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-2px); }
}

@keyframes slideRight {
    0% { transform: translateX(0); }
    100% { transform: translateX(2px); }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

h1 { font-size: clamp(1.2rem, 3vw, 1.8rem); }
h2 { font-size: clamp(1.1rem, 2.8vw, 1.5rem); }
h3 { font-size: clamp(1rem, 2.5vw, 1.2rem); }
h4 { font-size: clamp(0.9rem, 2vw, 1rem); font-weight: 800; }
h5 { font-size: clamp(0.8rem, 1.5vw, 0.9rem); font-weight: 700; }
h6 { font-size: clamp(0.7rem, 1.2vw, 0.8rem); font-weight: 700; }

.gradient-text {
    font-weight: 800;
}

.dark-theme .gradient-text,
.dark-theme h1, .dark-theme h2, .dark-theme h3 {
    background: linear-gradient(45deg, var(--dark-secondary), var(--dark-accent), var(--dark-secondary), var(--dark-accent));
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: darkGradientShift 12s ease-in-out infinite;
}

.light-theme .gradient-text,
.light-theme h1, .light-theme h2, .light-theme h3 {
    background: linear-gradient(45deg, var(--warn-300), var(--warn-2-500), var(--error-500), var(--warn-400));
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: lightGradientShift 12s ease-in-out infinite;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 220px;
    z-index: 1000;
    transform: translateX(0);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(24px);
    border-right: 1px solid var(--white-10);
}

.sidebar.collapsed {
    transform: translateX(-220px);
}

.dark-theme .sidebar {
    background: var(--sidebar-dark-bg);
    border-right-color: var(--dark-primary-25);
    box-shadow: 2px 0 24px var(--dark-primary-15);
}

.light-theme .sidebar {
    background: var(--sidebar-light-bg);
    border-right-color: var(--light-primary-20);
    box-shadow: 2px 0 16px var(--light-primary-10);
}

.topbar-sidebar-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 12px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    border: 1px solid transparent !important;
    backdrop-filter: blur(12px) !important;
}

.topbar-sidebar-toggle {
    margin-left: 12px !important;
}

@media (max-width: 1280px) {
    .topbar-sidebar-toggle {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .topbar-sidebar-toggle {
        display: none !important;
    }
}

@media (max-width: 640px) {
    .topbar-sidebar-toggle {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .topbar-sidebar-toggle {
        display: none !important;
    }
}

.dark-theme .topbar-sidebar-toggle {
    background: var(--dark-primary-08) !important;
    color: var(--dark-secondary) !important;
    border-color: var(--dark-primary-20) !important;
}

.light-theme .topbar-sidebar-toggle {
    background: var(--light-primary-08) !important;
    color: var(--light-primary) !important;
    border-color: var(--light-primary-20) !important;
}

.topbar-sidebar-toggle:hover {
    transform: scale(1.05) !important;
}

.dark-theme .topbar-sidebar-toggle:hover {
    background: var(--dark-primary-15) !important;
    border-color: var(--dark-primary-30) !important;
}

.light-theme .topbar-sidebar-toggle:hover {
    background: var(--light-primary-15) !important;
    border-color: var(--light-primary-30) !important;
}

.topbar-sidebar-toggle svg {
    width: 18px !important;
    height: 18px !important;
    transition: transform 0.3s ease !important;
}

.sidebar.collapsed .topbar-sidebar-toggle svg {
    transform: rotate(180deg) !important;
}

.sidebar-pull-handle {
    position: absolute;
    top: 0;
    right: -4px;
    width: 8px;
    height: 100%;
    cursor: col-resize;
    z-index: 1002;
    transition: all 0.2s ease;
}

.sidebar-pull-handle:hover {
    width: 12px;
    right: -6px;
}

.dark-theme .sidebar-pull-handle:hover {
    background: var(--dark-primary-10);
}

.light-theme .sidebar-pull-handle:hover {
    background: var(--light-primary-10);
}

.sidebar-pull-tab {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 48px;
    border-radius: 0 10px 10px 0;
    cursor: pointer;
    z-index: 1003;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar.collapsed ~ .sidebar-pull-tab,
.sidebar.collapsed + .sidebar-pull-tab {
    opacity: 1;
    visibility: visible;
}

.dark-theme .sidebar-pull-tab {
    background: var(--dark-primary-80);
    border: 1px solid var(--dark-primary-40);
    box-shadow: 2px 0 10px var(--dark-primary-30);
}

.light-theme .sidebar-pull-tab {
    background: var(--light-primary-80);
    border: 1px solid var(--light-primary-40);
    box-shadow: 2px 0 10px var(--light-primary-30);
}

.sidebar-pull-tab:hover {
    transform: translateY(-50%) translateX(4px);
}

.sidebar-pull-tab svg {
    width: 10px;
    height: 10px;
    color: var(--white);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: clamp(10px, 1.5vw, 14px) clamp(16px, 2.5vw, 20px);
    margin: 6px 12px 6px 18px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 800;
    font-size: clamp(12px, 1.2vw, 13px);
    letter-spacing: -0.01em;
    border: 2px solid var(--transparent);
}

.nav-item:hover {
    transform: translateX(6px);
}

.dark-theme .nav-item:hover {
    background-color: var(--dark-primary-15);
    color: var(--dark-secondary);
    border-color: var(--dark-primary-30);
}

.light-theme .nav-item:hover {
    background-color: var(--light-primary-15);
    color: var(--light-primary);
    border-color: var(--light-primary-30);
}

.nav-item.active {
    transform: translateX(6px);
}

.dark-theme .nav-item.active {
    background-color: var(--dark-primary-15);
    color: var(--dark-secondary);
    border-color: var(--dark-primary-30);
    font-weight: 900;
}

.light-theme .nav-item.active {
    background-color: var(--light-primary-15);
    color: var(--light-primary);
    border-color: var(--light-primary-30);
    font-weight: 900;
}

.nav-item .icon {
    transition: color 0.3s ease;
}

.dark-theme .nav-item:hover .icon,
.dark-theme .nav-item.active .icon {
    color: var(--dark-secondary);
}

.light-theme .nav-item:hover .icon,
.light-theme .nav-item.active .icon {
    color: var(--light-primary);
}

.topbar {
    position: fixed;
    top: 0;
    left: 220px;
    right: 0;
    height: 60px;
    z-index: 999;
    backdrop-filter: blur(24px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-bottom: 1px solid var(--white-10);
}

.sidebar.collapsed ~ .topbar {
    left: 0;
}

.dark-theme .topbar {
    background: var(--topbar-dark-bg);
    border-bottom-color: var(--dark-primary-25);
    box-shadow: 0 2px 24px var(--dark-primary-15);
}

.light-theme .topbar {
    background: var(--topbar-light-bg);
    border-bottom-color: var(--light-primary-20);
    box-shadow: 0 2px 16px var(--light-primary-10);
}

.countdown-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(3px, 0.6vw, 4px);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
}

.countdown-container::after {
    content: 'Time to start competition';
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: clamp(3px, 0.6vw, 4px) clamp(6px, 1vw, 8px);
    border-radius: 6px;
    font-size: clamp(0.5rem, 0.8vw, 0.6rem);
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
    pointer-events: none;
    backdrop-filter: blur(6px);
}

.dark-theme .countdown-container::after {
    background: var(--tooltip-dark-bg);
    border: 1px solid var(--dark-primary-40);
    color: var(--dark-secondary);
    box-shadow: 0 3px 10px var(--dark-primary-30);
}

.light-theme .countdown-container::after {
    background: var(--tooltip-light-bg);
    border: 1px solid var(--light-primary-40);
    color: var(--light-primary);
    box-shadow: 0 3px 10px var(--light-primary-30);
}

.countdown-container:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(1px);
}

.countdown-timer {
    display: flex;
    align-items: center;
    gap: clamp(4px, 1vw, 8px);
    padding: clamp(4px, 1vw, 8px) clamp(8px, 1.5vw, 10px);
    border-radius: 12px;
    backdrop-filter: blur(12px);
    border: 1px solid var(--white-15);
    transition: all 0.3s ease;
}

.dark-theme .countdown-timer {
    background: var(--dark-primary-12);
    border-color: var(--dark-primary-25);
    box-shadow: 0 6px 24px var(--dark-primary-15);
}

.light-theme .countdown-timer {
    background: var(--light-primary-12);
    border-color: var(--light-primary-25);
    box-shadow: 0 6px 24px var(--light-primary-15);
}

.timer-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.timer-value {
    font-size: clamp(0.7rem, 1.4vw, 0.9rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
}

.timer-label {
    font-size: clamp(0.3rem, 0.5vw, 0.4rem);
    font-weight: 700;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timer-separator {
    font-size: clamp(0.7rem, 1.4vw, 0.9rem);
    font-weight: 900;
    opacity: 0.6;
    animation: blink 2s infinite;
    margin: 0 clamp(1px, 0.3vw, 2px);
}

.timer-title {
    font-size: clamp(0.4rem, 0.7vw, 0.5rem);
    font-weight: 800;
    opacity: 0.8;
    text-align: center;
    letter-spacing: 0.025em;
}

.dark-theme .timer-value {
    background: linear-gradient(45deg, var(--dark-secondary), var(--dark-accent), var(--dark-500), var(--accent-1-600));
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: darkGradientShift 8s ease-in-out infinite;
}

.light-theme .timer-value {
    background: linear-gradient(45deg, var(--light-primary), var(--light-secondary), var(--warn-2-500), var(--warn-300));
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: lightGradientShift 8s ease-in-out infinite;
}

@keyframes blink {
    0%, 50% { opacity: 0.6; }
    51%, 100% { opacity: 0.2; }
}

.countdown-timer.urgent {
    animation: pulse 2s infinite;
}

.countdown-timer.urgent .timer-value {
    background: linear-gradient(45deg, var(--urgent-red), var(--warn-2-500), var(--urgent-dark-red), var(--urgent-dark-orange)) !important;
    background-size: 400% 400% !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    animation: urgentGradient 1s ease-in-out infinite !important;
}

.dark-theme .countdown-timer.urgent,
.light-theme .countdown-timer.urgent {
    border-color: var(--error-primary-40);
    box-shadow: 0 0 24px var(--error-primary-30);
}

@keyframes urgentGradient {
    0%, 100% { 
        background-position: 0% 50%;
        filter: brightness(1);
    }
    50% { 
        background-position: 100% 50%;
        filter: brightness(1.2);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.01); }
}

.countdown-timer.critical {
    animation: shake 0.5s infinite;
}

.countdown-timer.critical .timer-separator {
    animation: blink 0.5s infinite;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: inherit;
    font-size: clamp(14px, 2vw, 18px);
    cursor: pointer;
    padding: clamp(4px, 1vw, 8px);
    border-radius: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.mobile-toggle svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 1280px) {
    .mobile-toggle {
        display: flex;
        position: relative;
        z-index: 1002;
    }
}

.dark-theme .mobile-toggle {
    background: var(--dark-primary-08);
    color: var(--dark-secondary);
    border: 1px solid var(--dark-primary-20);
}

.light-theme .mobile-toggle {
    background: var(--light-primary-08);
    color: var(--light-primary);
    border: 1px solid var(--light-primary-20);
}

.dark-theme .mobile-toggle:hover {
    background: var(--dark-primary-15);
    border-color: var(--dark-primary-30);
}

.light-theme .mobile-toggle:hover {
    background: var(--light-primary-15);
    border-color: var(--light-primary-30);
}

.topbar {
    position: fixed;
    top: 0;
    left: 220px;
    right: 0;
    height: 60px;
    z-index: 999;
    backdrop-filter: blur(24px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-bottom: 1px solid var(--white-10);
}

@media (max-width: 1280px) {
    .sidebar {
        transform: translateX(-220px);
        overflow-y: auto;
    }

    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar.collapsed {
        transform: translateX(-220px);
    }

    .topbar {
        left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .sidebar-toggle-btn {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100vw;
    }
    
    .sidebar.collapsed ~ * .main-content,
    body:has(.sidebar.collapsed) .main-content {
        margin-left: 0;
        max-width: 100vw;
    }
}

@media (max-width: 640px) {
    .mobile-toggle {
        left: 12px;
        padding: clamp(4px, 1vw, 8px);
        font-size: clamp(14px, 2vw, 18px);
    }

    .countdown-container {
        display: none;
    }

    .sidebar {
        overflow-y: auto;
    }
}

@media (max-width: 480px) {
    .topbar {
        height: clamp(48px, 8vh, 56px);
    }
    
    .sidebar {
        width: clamp(190px, 75vw, 220px);
        overflow-y: auto;
    }
    
    .mobile-toggle {
        left: 10px;
        padding: clamp(3px, 0.8vw, 6px);
        font-size: clamp(12px, 1.8vw, 16px);
    }

    .countdown-container {
        display: none;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .topbar {
        height: clamp(40px, 6vh, 48px);
    }
    
    .mobile-toggle {
        padding: clamp(2px, 0.6vw, 4px);
        font-size: clamp(11px, 1.6vw, 14px);
    }

    .sidebar {
        overflow-y: auto;
    }
}

.dark-theme .mobile-toggle:hover {
    background: var(--dark-primary-25);
}

.light-theme .mobile-toggle:hover {
    background: var(--light-primary-25);
}

@media (min-width: 1281px) {
    ::-webkit-scrollbar {
        width: clamp(4px, 0.8vw, 6px);
        height: clamp(4px, 0.8vw, 6px);
    }

    .dark-theme ::-webkit-scrollbar {
        background: var(--tooltip-dark-bg-30);
    }

    .light-theme ::-webkit-scrollbar {
        background: var(--light-primary-10);
    }

    ::-webkit-scrollbar-track {
        border-radius: 6px;
    }

    .dark-theme ::-webkit-scrollbar-track {
        background: var(--dark-primary-10);
    }

    .light-theme ::-webkit-scrollbar-track {
        background: var(--light-primary-15);
    }

    ::-webkit-scrollbar-thumb {
        border-radius: 6px;
        transition: all 0.3s ease;
    }

    .dark-theme ::-webkit-scrollbar-thumb {
        background: linear-gradient(45deg, var(--dark-primary), var(--dark-500));
        box-shadow: 0 1px 6px var(--dark-primary-30);
    }

    .light-theme ::-webkit-scrollbar-thumb {
        background: linear-gradient(45deg, var(--light-secondary), var(--white));
        box-shadow: 0 1px 6px var(--light-secondary-30);
    }

    ::-webkit-scrollbar-thumb:hover {
        transform: scale(1.05);
    }

    .dark-theme ::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(45deg, var(--dark-secondary), var(--dark-400));
    }

    .light-theme ::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(45deg, var(--light-primary), var(--warn-300));
    }

    * {
        scrollbar-width: thin;
    }

    .dark-theme * {
        scrollbar-color: var(--dark-primary) var(--dark-primary-10);
    }

    .light-theme * {
        scrollbar-color: var(--light-primary) var(--light-primary-15);
    }
}

@media (max-width: 1280px) {
    .sidebar::-webkit-scrollbar {
        width: clamp(4px, 0.8vw, 6px);
        height: clamp(4px, 0.8vw, 6px);
    }

    .dark-theme .sidebar::-webkit-scrollbar {
        background: var(--tooltip-dark-bg-30);
    }

    .light-theme .sidebar::-webkit-scrollbar {
        background: var(--light-primary-10);
    }

    .sidebar::-webkit-scrollbar-track {
        border-radius: 6px;
    }

    .dark-theme .sidebar::-webkit-scrollbar-track {
        background: var(--dark-primary-10);
    }

    .light-theme .sidebar::-webkit-scrollbar-track {
        background: var(--light-primary-15);
    }

    .sidebar::-webkit-scrollbar-thumb {
        border-radius: 6px;
        transition: all 0.3s ease;
    }

    .dark-theme .sidebar::-webkit-scrollbar-thumb {
        background: linear-gradient(45deg, var(--dark-primary), var(--dark-500));
        box-shadow: 0 1px 6px var(--dark-primary-30);
    }

    .light-theme .sidebar::-webkit-scrollbar-thumb {
        background: linear-gradient(45deg, var(--light-secondary), var(--white));
        box-shadow: 0 1px 6px var(--light-secondary-30);
    }

    .sidebar::-webkit-scrollbar-thumb:hover {
        transform: scale(1.05);
    }

    .dark-theme .sidebar::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(45deg, var(--dark-secondary), var(--dark-400));
    }

    .light-theme .sidebar::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(45deg, var(--light-primary), var(--warn-300));
    }

    .sidebar {
        scrollbar-width: thin;
    }

    .dark-theme .sidebar {
        scrollbar-color: var(--dark-primary) var(--dark-primary-10);
    }

    .light-theme .sidebar {
        scrollbar-color: var(--light-primary) var(--light-primary-15);
    }
}

.icon {
    width: clamp(14px, 2vw, 18px);
    height: clamp(14px, 2vw, 18px);
}

.icon-lg {
    width: clamp(20px, 3vw, 22px);
    height: clamp(20px, 3vw, 22px);
}

.glass-effect {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.sidebar.collapsed ~ * .main-content,
.sidebar.collapsed + * .main-content,
body:has(.sidebar.collapsed) .main-content {
    margin-left: 0;
    max-width: 100vw;
}

@media (max-width: 1024px) {
    .countdown-container {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .countdown-container {
        display: none;
    }
}

.nav-item:focus,
.mobile-toggle:focus,
.sidebar-toggle:focus {
    outline: 2px solid currentColor;
    outline-offset: 1px;
}

.skip-to-content {
    position: absolute;
    top: -32px;
    left: 4px;
    background: var(--black);
    color: var(--white);
    padding: 6px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 3px;
}

.skip-to-content:focus {
    top: 4px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .nav-item::before {
        display: none !important;
    }
}

.page-loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    z-index: 9999;
    transition: width 0.3s ease;
    opacity: 0;
}

.dark-theme .page-loading-bar {
    background: linear-gradient(90deg, var(--dark-primary), var(--dark-secondary));
}

.light-theme .page-loading-bar {
    background: linear-gradient(90deg, var(--light-primary), var(--light-secondary));
}

.page-loading-bar.loading {
    opacity: 1;
}

.page-loading-bar.complete {
    width: 100% !important;
    opacity: 0;
    transition: width 0.2s ease, opacity 0.3s ease 0.1s;
}

.main-content {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.main-content.page-out {
    opacity: 0;
    transform: translateY(20px);
}

.main-content.page-in {
    opacity: 0;
    transform: translateY(-20px);
}

.main-content {
    transition: opacity 0.3s ease, transform 0.3s ease, margin-left 0.5s ease, max-width 0.5s ease;
}

.topbar {
    transition: left 0.5s ease !important;
}

.nav-section-items {
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-origin: top;
    max-height: 1000px;
    opacity: 1;
    transform: scaleY(1);
}

.nav-section-items.collapsed {
    max-height: 0 !important;
    opacity: 0 !important;
    transform: scaleY(0) !important;
    margin: 0 !important;
    padding: 0 !important;
}

#sidebar::-webkit-scrollbar {
    width: 0px !important;
    background: transparent !important;
}

#sidebar::-webkit-scrollbar-thumb {
    background: transparent !important;
}

#sidebar {
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
    overflow-y: scroll !important;
}

.nav-section-label {
    padding: 14px 18px !important;
    margin: 18px 12px 8px 18px !important;
    font-size: 10px !important;
    font-weight: 900 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.12em !important;
    border-radius: 12px !important;
    cursor: pointer !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid transparent !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
}

.dark-theme .nav-section-label {
    background: linear-gradient(135deg, var(--dark-primary-08), var(--dark-secondary-05)) !important;
    color: var(--dark-secondary) !important;
    border-color: var(--dark-primary-20) !important;
    box-shadow: 0 4px 16px var(--dark-primary-10) !important;
}

.light-theme .nav-section-label {
    background: linear-gradient(135deg, var(--light-primary-08), var(--light-secondary-05)) !important;
    color: var(--light-primary) !important;
    border-color: var(--light-primary-20) !important;
    box-shadow: 0 4px 16px var(--light-primary-10) !important;
}

.nav-section-label .section-text {
    flex: 1 !important;
    font-weight: 900 !important;
}

.nav-section-label .section-badge {
    background: var(--dark-primary-25) !important;
    color: var(--dark-secondary) !important;
    font-size: 8px !important;
    font-weight: 800 !important;
    padding: 2px 6px !important;
    border-radius: 8px !important;
    min-width: 18px !important;
    text-align: center !important;
}

.light-theme .nav-section-label .section-badge {
    background: var(--light-primary-25) !important;
    color: var(--light-primary) !important;
}

.nav-section-items {
    overflow: hidden !important;
    transition: all 0.5s ease !important;
    max-height: 1000px !important;
    opacity: 1 !important;
}

.nav-section-items.collapsed {
    max-height: 0 !important;
    opacity: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.nav-section-items .nav-item {
    margin-left: 24px !important;
    border-left: 3px solid transparent !important;
}

.dark-theme .nav-section-items .nav-item {
    border-left-color: var(--dark-primary-15) !important;
}

.light-theme .nav-section-items .nav-item {
    border-left-color: var(--light-primary-15) !important;
}

.topbar-sidebar-toggle svg {
    transition: transform 0.3s ease;
    transform: rotate(0deg);
}

body.sidebar-closed .topbar-sidebar-toggle svg {
    transform: rotate(180deg);
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--white-10);
}

.dark-theme .sidebar-header {
    border-bottom-color: var(--dark-primary-25);
}

.light-theme .sidebar-header {
    border-bottom-color: var(--light-primary-20);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    margin: 12px 0 0 0;
}

.logo-icon {
    display: none;
}

.sidebar-nav {
    margin-top: 40px;
}

.nav-text {
    transition: opacity 0.3s ease, width 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .nav-text {
    opacity: 0;
    width: 0;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 14px;
    margin: 8px 10px;
}

.sidebar.collapsed .nav-item .icon {
    width: 24px;
    height: 24px;
    margin: 0;
}

.sidebar.collapsed {
    transform: translateX(-220px);
}

.sidebar.collapsed ~ .topbar {
    left: 0;
}

.sidebar.collapsed ~ * .main-content,
body:has(.sidebar.collapsed) .main-content {
    margin-left: 0;
    max-width: 100vw;
}

.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    backdrop-filter: blur(12px);
    background: none;
    position: relative;
    margin-left: 12px;
}

.dark-theme .sidebar-toggle-btn {
    background: var(--dark-primary-08);
    color: var(--dark-secondary);
    border-color: var(--dark-primary-20);
}

.light-theme .sidebar-toggle-btn {
    background: var(--light-primary-08);
    color: var(--light-primary);
    border-color: var(--light-primary-20);
}

.sidebar-toggle-btn:hover {
    transform: scale(1.05);
}

.dark-theme .sidebar-toggle-btn:hover {
    background: var(--dark-primary-15);
    border-color: var(--dark-primary-30);
}

.light-theme .sidebar-toggle-btn:hover {
    background: var(--light-primary-15);
    border-color: var(--light-primary-30);
}

.sidebar-toggle-btn svg {
    width: 18px;
    height: 18px;
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.sidebar-toggle-btn .icon-open {
    opacity: 0;
    transform: rotate(-180deg);
}

.sidebar-toggle-btn .icon-close {
    opacity: 1;
    transform: rotate(0deg);
}

body.sidebar-closed .sidebar-toggle-btn .icon-open {
    opacity: 1;
    transform: rotate(0deg);
}

body.sidebar-closed .sidebar-toggle-btn .icon-close {
    opacity: 0;
    transform: rotate(180deg);
}

@media (max-width: 1280px) {
    .sidebar-toggle-btn {
        display: none;
    }
    
    .sidebar.collapsed {
        width: 220px;
        transform: translateX(-100%);
    }
    
    .sidebar.collapsed ~ .topbar {
        left: 0;
    }
    
    .sidebar.collapsed ~ * .main-content,
    body:has(.sidebar.collapsed) .main-content {
        margin-left: 0;
        max-width: 100vw;
    }
}

.topbar-content {
    display: flex;
    align-items: center;
    height: 100%;
    position: relative;
    padding: 0 20px;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: clamp(10px, 1.5vw, 14px) clamp(12px, 2vw, 14px);
    margin: 6px 8px;
    gap: 0;
}

.sidebar.collapsed .nav-item .icon {
    width: clamp(20px, 2.5vw, 24px);
    height: clamp(20px, 2.5vw, 24px);
}

.sidebar.collapsed .logo-container {
    overflow: visible;
}