/* --- Theme Variables --- */
        :root {
            --bg-main: #0a0a0a;
            --bg-card: #0f0f0f;
            --bg-card-inner: #161616;
            --border-color: #262626;
            --border-hover: #404040;
            --text-primary: #ededed;
            --text-secondary: #8a8a8a;
            
            --dock-bg: rgba(20, 20, 20, 0.65);
            --dock-border: rgba(255, 255, 255, 0.1);
            --dock-text: rgba(255, 255, 255, 0.6);
            --dock-hover-text: #fff;
            --item-hover: rgba(255, 255, 255, 0.1);
            --folder-color: #8a8a8a;

            --loader-bg: rgba(10, 10, 10, 0.92);
            --loader-track: rgba(255, 255, 255, 0.12);
            --loader-spin: #4285F4;
        }

        .light-theme {
            --bg-main: #f9f9f9;
            --bg-card: #ffffff;
            --bg-card-inner: #f0f0f0;
            --border-color: #e5e5e5;
            --border-hover: #cccccc;
            --text-primary: #111111;
            --text-secondary: #666666;
            
            --dock-bg: rgba(255, 255, 255, 0.75);
            --dock-border: rgba(0, 0, 0, 0.1);
            --dock-text: rgba(0, 0, 0, 0.6);
            --dock-hover-text: #000;
            --item-hover: rgba(0, 0, 0, 0.05);
            --folder-color: #666666;

            --loader-bg: rgba(249, 249, 249, 0.92);
            --loader-track: rgba(0, 0, 0, 0.1);
            --loader-spin: #0066cc;
        }

        body, html {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-main);
            background-image: url('../images/bg-main.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: var(--text-primary);
            transition: background-color 0.3s, color 0.3s;
            overflow-x: hidden;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        body.light-theme {
            background-image: url('../images/bg-light.png');
        }

        /* Blurred background overlay while viewing a semester */
        body::before {
            content: '';
            position: fixed;
            inset: -20px;
            z-index: -1;
            background-image: url('../images/bg-main.jpg');
            background-size: cover;
            background-position: center;
            filter: blur(14px);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }
        body.viewing-semester::before {
            opacity: 1;
        }
        body.light-theme::before {
            background-image: url('../images/bg-light.png');
        }

        /* Dark scrim to hide the background while viewing a semester */
        body::after {
            content: '';
            position: fixed;
            inset: 0;
            z-index: -1;
            background: rgba(10, 10, 10, 0.85);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }
        body.light-theme::after {
            background: rgba(249, 249, 249, 0.9);
        }
        body.viewing-semester::after {
            opacity: 1;
        }

        /* --- Top Bar --- */
        .top-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 44px;
            z-index: 60;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 0 16px;
            background: transparent;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background 0.3s;
        }

        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: 8px;
            transition: background 0.2s;
            white-space: nowrap;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
        }
        .top-bar-left:hover { background: rgba(255, 255, 255, 0.1); }
        .top-bar-left i {
            font-size: 17px;
            color: #fff;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            white-space: nowrap;
            overflow: hidden;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
        }
        .top-bar-right .contrib-label {
            color: rgba(255, 255, 255, 0.6);
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .top-bar-right .contrib-name {
            color: #fff;
            font-weight: 500;
        }
        .top-bar-right .contrib-link {
            text-decoration: none;
            transition: color 0.2s;
        }
        .top-bar-right .contrib-link:hover {
            color: #4285F4;
            text-decoration: underline;
        }
        .top-bar-right .contrib-sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .light-theme .top-bar {
            border-bottom-color: rgba(0, 0, 0, 0.1);
        }
        .light-theme .top-bar-left,
        .light-theme .top-bar-left i {
            color: #111;
            text-shadow: none;
        }
        .light-theme .top-bar-left:hover {
            background: rgba(0, 0, 0, 0.05);
        }
        .light-theme .top-bar-right {
            color: rgba(0, 0, 0, 0.7);
            text-shadow: none;
        }
        .light-theme .top-bar-right .contrib-label {
            color: rgba(0, 0, 0, 0.5);
        }
        .light-theme .top-bar-right .contrib-name {
            color: #111;
        }
        .light-theme .top-bar-right .contrib-sep {
            color: rgba(0, 0, 0, 0.4);
        }

        /* --- View Transitions --- */
        .view-section {
            display: none;
            opacity: 0;
            animation: fadeIn 0.4s ease-out forwards;
        }

        .view-section.active {
            display: flex;
        }

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

        /* --- Framer Style Cards --- */
        .framer-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }
        
        .framer-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .framer-icon-box {
            background-color: var(--bg-card-inner);
            transition: background-color 0.2s ease;
        }
        
        .framer-card:hover .framer-icon-box {
            background-color: rgba(255,255,255,0.03);
        }
        .light-theme .framer-card:hover .framer-icon-box {
            background-color: rgba(0,0,0,0.02);
        }

        .link-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }
        
        .link-card:hover {
            background-color: var(--bg-card-inner);
            border-color: var(--border-hover);
        }

        /* Hide scrollbars but keep scroll functionality */
        ::-webkit-scrollbar { width: 0; height: 0; display: none; }
        ::-webkit-scrollbar-track, ::-webkit-scrollbar-thumb { background: transparent; }

        /* --- Mac Desktop Icon --- */
        .mac-desktop-icon {
            position: absolute;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            width: 80px;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .mac-desktop-icon:active {
            transform: scale(0.95);
        }
        .mac-desktop-icon-img {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s;
        }
        .mac-desktop-icon:hover .mac-desktop-icon-img {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .light-theme .mac-desktop-icon:hover .mac-desktop-icon-img {
            background-color: rgba(0, 0, 0, 0.05);
        }
        .mac-desktop-label {
            font-size: 11px;
            font-weight: 500;
            text-align: center;
            padding: 2px 6px;
            border-radius: 4px;
            background-color: rgba(0, 0, 0, 0.3);
            color: white;
            text-shadow: 0 1px 2px rgba(0,0,0,0.8);
            transition: background-color 0.2s;
        }
        .mac-desktop-icon:hover .mac-desktop-label {
            background-color: #0066cc;
        }
        .light-theme .mac-desktop-label {
            background-color: transparent;
            color: #111;
            text-shadow: none;
        }
        .light-theme .mac-desktop-icon:hover .mac-desktop-label {
            background-color: #0066cc;
            color: white;
        }

        /* --- Dock Styles --- */
        .dock-container {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 24px;
            z-index: 50;
            background: var(--dock-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--dock-border);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transition: background 0.3s;
        }

        .dock-item {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--dock-text);
            transition: transform 0.2s, color 0.2s, background 0.2s;
            background: transparent;
            position: relative;
            border: none;
            cursor: pointer;
        }

        .dock-item:hover {
            transform: translateY(-5px) scale(1.1);
            color: var(--dock-hover-text);
            background: var(--item-hover);
        }
        
        .dock-divider {
            width: 1px;
            height: 28px;
            background: var(--dock-border);
            align-self: center;
            margin: 0 4px;
        }

        .dock-item::after {
            content: attr(data-tooltip);
            position: absolute;
            top: -35px;
            left: 50%;
            transform: translateX(-50%) scale(0.8);
            background: var(--bg-card);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: all 0.2s;
        }
        .dock-item:hover::after {
            opacity: 1;
            transform: translateX(-50%) scale(1);
        }

        /* Settings button & menu only used on small screens */
        #btn-nav-settings,
        .settings-menu {
            display: none;
        }

        .settings-menu {
            position: fixed;
            bottom: 92px;
            right: calc((100vw - min(100vw - 32px, 400px)) / 2);
            z-index: 55;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 16px;
            background: var(--dock-bg);
            border: 1px solid var(--dock-border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .settings-menu.open {
            display: flex;
        }
        
        /* Modal for About */
        .modal-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
        }

        /* --- Loader --- */
        #loader {
            position: fixed;
            inset: 0;
            z-index: 200;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 14px;
            background: var(--loader-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        #loader.hidden {
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
        }

        .loader-spinner {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2.5px solid var(--loader-track);
            border-top-color: var(--loader-spin);
            animation: loaderSpin 0.8s linear infinite;
        }

        @keyframes loaderSpin {
            to { transform: rotate(360deg); }
        }

        .loader-text {
            font-size: 11px;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: var(--text-secondary);
        }
        
        /* --- Responsive Design Overrides --- */
        @media (max-width: 768px) {
            /* Keep scattered desktop icons on mobile (no grid) */
            #view-home.active {
                height: auto;
                min-height: 100vh;
                overflow: visible;
            }
            .mac-desktop-icon {
                width: 84px;
            }
            .mac-desktop-icon:active {
                transform: scale(0.95) !important;
            }
            
            /* Shrink the dock for mobile screens */
            .dock-container {
                width: calc(100% - 32px);
                max-width: 400px;
                padding: 8px 10px;
                gap: 2px;
                justify-content: space-evenly;
                border-radius: 20px;
                overflow-x: auto;
            }
            .dock-item {
                width: 38px;
                height: 38px;
                font-size: 1.25rem;
                flex-shrink: 0;
            }
            .dock-divider {
                height: 24px;
                margin: 0 2px;
                flex-shrink: 0;
            }
            .dock-item::after {
                display: none; /* Hide tooltips on touch devices to prevent sticky hover states */
            }

            /* Collapse theme/about/github into the settings menu on small screens */
            #btn-nav-settings {
                display: flex;
            }
            #btn-theme-toggle,
            #btn-nav-about,
            .dock-github-link {
                display: none;
            }
            
            /* Adjust semester view padding to account for safe areas */
            #view-semester {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            /* Top bar compact on mobile */
            .top-bar {
                height: 40px;
                padding: 0 12px;
            }
            .top-bar-left {
                font-size: 12px;
                gap: 6px;
                padding: 4px 8px;
            }
            .top-bar-right {
                font-size: 11px;
                gap: 5px;
            }
            .top-bar-right .contrib-label {
                display: none;
            }
        }