:root {
    --primary-color: #2b3a8f;
    --primary-color-hover: #202d81;
    --accent-color: #3b82f6;
    --border-radius: 8px;
    --nav-height: 54px;
    --background-blur: blur(8px);
}

/* Modernize Navigation Bar */
#judge0-site-navigation {
    height: var(--nav-height) !important;
    padding: 0 1rem !important;
    backdrop-filter: var(--background-blur);
    -webkit-backdrop-filter: var(--background-blur);
    background-color: #ffffff !important;
    border-bottom: 1px solid #e5e7eb !important;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05) !important;
    display: flex;
    align-items: center;
    z-index: 1001 !important;
}

body.inverted #judge0-site-navigation {
    background-color: #111827 !important;
    border-bottom: 1px solid #374151 !important;
}

body.inverted #judge0-site-navigation .item,
body.inverted #judge0-site-navigation .item i.icon {
    color: rgba(255, 255, 255, 0.9) !important;
}

#judge0-mobile-menu-btn i.icon {
    color: var(--accent-color) !important;
}

#judge0-site-navigation .item {
    padding: 0.5rem 0.75rem !important;
    margin: 0 0.25rem !important;
    border-radius: var(--border-radius) !important;
}

#judge0-site-navigation .item::before {
    display: none !important;
}

#judge0-site-navigation .ui.dropdown .menu {
    border-radius: var(--border-radius) !important;
    margin-top: 5px !important;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05) !important;
}


/* Run Button Modernization - New Design */
#run-btn {
    border-radius: 50px !important; /* Pill shape */
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    color: white !important;
    font-weight: 600 !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2) !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 0.6rem 1.5rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    font-size: 0.85rem !important;
}

#run-btn:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3) !important;
    transform: translateY(-2px);
}

#run-btn i.icon {
    margin: 0 !important;
    font-size: 0.9rem !important;
}

#run-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2) !important;
}

/* Global Rounded Corners & Inputs */
.ui.selection.dropdown,
.ui.input input,
.ui.button,
.ui.modal,
.ui.segment {
    border-radius: var(--border-radius) !important;
}

.ui.input input:focus {
    border-color: var(--accent-color) !important;
}

.ui.selection.dropdown:focus {
    border-color: var(--accent-color) !important;
}

/* Typography */
body, .ui.button, .ui.input input, .ui.dropdown, .ui.label {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif !important;
}

#judge0-status-line, .lm_tab, .monaco-editor {
    font-family: "JetBrains Mono", monospace !important;
}

/* Golden Layout Modernization */
.lm_header {
    background: #f9fafb !important;
    height: 36px !important;
    border-bottom: 1px solid #e5e7eb !important;
}

body.inverted .lm_header {
    background: #1f2937 !important;
    border-bottom: 1px solid #374151 !important;
}

.lm_tab {
    background: transparent !important;
    border: none !important;
    padding: 0 15px !important;
    height: 36px !important;
    line-height: 36px !important;
    margin-right: 2px !important;
    color: #666 !important;
    font-family: "JetBrains Mono", monospace !important;
    font-size: 12px !important;
    transition: all 0.2s ease !important;
    border-top: 2px solid transparent !important;
}

body.inverted .lm_tab {
    color: #aaa !important;
}

.lm_tab.lm_active {
    background: rgba(0, 0, 0, 0.05) !important;
    color: var(--accent-color) !important;
    border-top: 2px solid var(--accent-color) !important;
}

body.inverted .lm_tab.lm_active {
    background: rgba(255, 255, 255, 0.05) !important;
}

.lm_content {
    background: white !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: 0 0 var(--border-radius) var(--border-radius) !important;
}

body.inverted .lm_content {
    background: #1e1e1e !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.lm_splitter {
    background: transparent !important;
    opacity: 0.1;
    transition: opacity 0.2s ease;
}

.lm_splitter:hover {
    background: var(--accent-color) !important;
    opacity: 0.5;
}

/* AI Assistant Chat Modernization */
#judge0-chat-container {
    border: none !important;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
}

.judge0-user-message {
    background-color: var(--accent-color) !important;
    color: white !important;
    border-radius: 16px 16px 4px 16px !important;
    padding: 10px 16px !important;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2) !important;
    margin-bottom: 1rem !important;
    font-size: 0.95rem !important;
    line-height: 1.5 !important;
}

.judge0-ai-message {
    background-color: rgba(0, 0, 0, 0.04) !important;
    border-radius: 16px 16px 16px 4px !important;
    padding: 10px 16px !important;
    margin: 1rem 1rem 0 1rem !important;
    max-width: 85% !important;
    font-size: 0.95rem !important;
    line-height: 1.5 !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

#judge0-chat-messages {
    padding: 1rem !important;
}

#judge0-chat-input-container {
    padding: 1rem !important;
    border-top: 1px solid rgba(0, 0, 0, 0.05) !important;
}

#judge0-chat-user-input {
    border-radius: 20px !important;
    padding-left: 1.5rem !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

body.inverted #judge0-chat-user-input {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

#judge0-chat-send-button {
    border-radius: 50% !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    margin-left: 8px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

body.inverted .judge0-ai-message {
    background-color: rgba(255, 255, 255, 0.05) !important;
}

/* Status Line */
#judge0-status-line {
    border-radius: 4px 0 0 0 !important;
    padding: 4px 8px !important;
    background: rgba(0, 0, 0, 0.05) !important;
    backdrop-filter: var(--background-blur);
}

body.inverted #judge0-status-line {
    background: rgba(255, 255, 255, 0.05) !important;
}

/* Mobile adjustments */
#judge0-mobile-footer, #judge0-mobile-menu-btn {
    display: none;
}

#judge0-clear-btn {
    color: #ef4444 !important; /* Red color for clear action */
}

#judge0-clear-btn:hover {
    color: #dc2626 !important;
    background: rgba(239, 68, 68, 0.05) !important;
}

@media (max-width: 768px) {
    #judge0-mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem !important;
    }

    #judge0-mobile-footer {
        display: flex;
        z-index: 1000;
        height: 60px;
        background: rgba(255, 255, 255, 0.8) !important;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(0, 0, 0, 0.1) !important;
    }

    body.inverted #judge0-mobile-footer {
        background: rgba(17, 24, 39, 0.8) !important;
        border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    }

    #judge0-site-content {
        height: calc(100vh - 50px - 60px) !important; /* nav height - footer height */
    }

    /* Hide desktop-only elements on mobile */
    .judge0-showCommandLineArguments,
    .judge0-showCompilerOptions,
    .judge0-showSelectLanguage,
    .judge0-showFileMenu,
    .judge0-showThemeButton,
    .judge0-showPuterSignInOutButton {
        display: none !important;
    }

    .lm_header {
        display: none !important;
    }
}

/* Mobile Menu Modal Improvements */
#judge0-mobile-menu-modal .content {
    padding: 0 !important;
}

#judge0-mobile-menu-modal .ui.vertical.menu {
    border: none !important;
    box-shadow: none !important;
    width: 100% !important;
    margin: 0 !important;
}

#judge0-mobile-menu-modal .ui.vertical.menu > .item {
    border-radius: 0 !important;
    padding: 1.25rem 1.5rem !important;
}

#judge0-mobile-menu-modal .ui.vertical.menu > .item:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
}

body.inverted #judge0-mobile-menu-modal .ui.vertical.menu > .item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

#judge0-mobile-menu-modal .header {
    margin-bottom: 0.75rem !important;
    font-size: 0.85rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--accent-color) !important;
}

/* Footer improvements */
#judge0-mobile-footer .item {
    transition: background 0.2s ease, color 0.2s ease !important;
}

#judge0-mobile-footer .item.active {
    color: var(--accent-color) !important;
    font-weight: 600 !important;
    background: rgba(59, 130, 246, 0.05) !important;
}

#judge0-mobile-footer .item i.icon {
    margin-bottom: 4px !important;
}

/* Prominent Run Button in Footer - No Text Design */
#judge0-mobile-run-btn {
    position: relative;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#judge0-mobile-run-btn .run-icon-container {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-5px); /* Slightly raised */
    border: 3px solid white; /* Ring effect */
}

body.inverted #judge0-mobile-run-btn .run-icon-container {
    border-color: #111827;
}

#judge0-mobile-run-btn:active .run-icon-container {
    transform: translateY(-2px) scale(0.9);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

#judge0-mobile-run-btn .play.icon {
    margin: 0 !important;
    font-size: 1.2rem !important;
    margin-left: 2px !important; /* Visual centering for play icon */
}

#judge0-mobile-footer .item {
    min-width: 0 !important;
    padding: 0.5rem 0.1rem !important;
}

#judge0-mobile-footer span {
    font-size: 9px !important;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Glassmorphism for Footer */
@media (max-width: 768px) {
    #judge0-mobile-footer {
        background: rgba(255, 255, 255, 0.8) !important;
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        border-top: 1px solid rgba(0, 0, 0, 0.05) !important;
        height: 65px !important;
    }

    body.inverted #judge0-mobile-footer {
        background: rgba(17, 24, 39, 0.8) !important;
        border-top: 1px solid rgba(255, 255, 255, 0.05) !important;
    }

    #judge0-site-content {
        height: calc(100vh - 54px - 65px) !important; /* nav height - footer height */
    }
}

/* Fix for dropdowns and ensuring they are scrollable */
.ui.dropdown .menu {
    max-height: 300px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-behavior: smooth !important;
    overscroll-behavior: contain !important;
}

#judge0-mobile-menu-modal .ui.dropdown .menu {
    max-height: 40vh !important;
    z-index: 10001 !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-behavior: smooth !important;
    overscroll-behavior: contain !important;
}

#judge0-mobile-menu-modal {
    z-index: 10000 !important;
}

/* Ensure modal content is scrollable if dropdown is long */
#judge0-mobile-menu-modal {
    max-height: 80vh !important;
    overflow-y: visible !important;
}

#judge0-mobile-menu-modal .content {
    overflow-y: auto !important;
    max-height: 60vh !important;
}

/* Specific fix for language dropdown items */
#select-language-mobile ~ .menu .item,
#select-language ~ .menu .item {
    padding: 1rem 1.25rem !important;
    font-size: 1rem !important;
}

/* Custom Large Box-Type Scrollbar for Dropdowns on Mobile */
@media (max-width: 768px) {
    .ui.dropdown .menu::-webkit-scrollbar {
        width: 12px !important;
        background-color: rgba(0, 0, 0, 0.03) !important;
    }

    .ui.dropdown .menu::-webkit-scrollbar-thumb {
        background-color: var(--accent-color) !important;
        border-radius: 2px !important; /* Blockier */
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
        min-height: 50px !important; /* Even larger touch target */
    }

    body.inverted .ui.dropdown .menu::-webkit-scrollbar-thumb {
        background-color: #4b5563 !important;
    }

    .ui.dropdown .menu::-webkit-scrollbar-track {
        background-color: transparent !important;
    }

    /* Ensure content doesn't get covered by the larger scrollbar */
    .ui.dropdown .menu {
        padding-right: 4px !important;
    }
}