/* ========================================================
           🎨 整合的 CSS (請在本地分離到 style.css)
           ======================================================== */
        :root {
            --bg-grad-top: #fff0f5; 
            --bg-grad-bottom: #e0f7fa; 
            --glass-bg: rgba(255, 255, 255, 0.65);
            --glass-border: rgba(255, 255, 255, 0.8);
            --decoration-alpha: 0.5;
            --text-main: #6c7a89;
            --text-sub: #aab7c4;
            --accent-color: #ffb6c1; 
            --accent-blue: #bce2e8; 
            --font-family: 'M PLUS Rounded 1c', sans-serif;
            --obs-color: #ffb6c1; 
        }

        body {
            margin: 0; padding: 0; font-family: var(--font-family); color: var(--text-main);
            background: linear-gradient(135deg, var(--bg-grad-top) 0%, var(--bg-grad-bottom) 100%);
            background-attachment: fixed; min-height: 100vh; overflow-x: hidden; position: relative;
        }

        .lang-switcher { display: flex; justify-content: flex-end; margin-bottom: 1.5rem; background: var(--glass-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--glass-border); border-radius: 20px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.05); z-index: 100; width: fit-content; margin-left: auto; }
        .lang-btn { background: transparent; border: none; padding: 8px 15px; font-family: inherit; font-weight: bold; font-size: 0.85rem; color: var(--text-sub); cursor: pointer; transition: 0.3s; }
        .lang-btn:hover { background: rgba(255,255,255,0.8); }
        .lang-btn.active { background: var(--accent-color); color: #fff; }

        body.obs-mode { background: transparent !important; overflow: hidden; display: flex; align-items: center; justify-content: center; }
        body.obs-mode .bg-decoration, body.obs-mode .content-wrapper, body.obs-mode .lang-switcher { display: none !important; }
        #obs-widget-layer { display: none; width: 100vw; height: 100vh; align-items: center; justify-content: center; }
        body.obs-mode #obs-widget-layer { display: flex; }

        .obs-clock-ui { font-family: 'M PLUS Rounded 1c', sans-serif; background: #ffffff; border-radius: 45px; padding: 55px 75px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); display: flex; flex-direction: column; align-items: center; gap: 20px; }
        .obs-time { font-size: 110px; font-weight: 900; color: #555555; letter-spacing: 4px; line-height: 1; display: flex; align-items: baseline; font-variant-numeric: tabular-nums; }
        .obs-time .blink { animation: smoothBlink 1s ease-in-out infinite; position: relative; top: -6px; }
        .obs-date { background: var(--obs-color); color: #ffffff; font-size: 28px; font-weight: 700; padding: 8px 35px; border-radius: 50px; letter-spacing: 2px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
        @keyframes smoothBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

        .bg-decoration { position: fixed; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,var(--decoration-alpha)) 0%, rgba(255,255,255,0) 70%); animation: floatBg 10s ease-in-out infinite alternate; z-index: -1; pointer-events: none; }
        .dec-1 { width: 50vw; height: 50vw; top: -10%; left: -10%; }
        .dec-2 { width: 60vw; height: 60vw; bottom: -20%; right: -15%; animation-delay: -5s; }
        @keyframes floatBg { 0% { transform: translateY(0) scale(1); } 100% { transform: translateY(30px) scale(1.05); } }

        .content-wrapper { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem 5rem; position: relative; }
        .glass-panel { background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: 24px; padding: 2.5rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03); margin-bottom: 2rem; }
        header.glass-panel { text-align: center; padding: 3rem 1rem; position: relative; }
        h1 { color: var(--accent-color); font-size: 2.2rem; margin: 0 0 10px 0; letter-spacing: 2px; }
        .subtitle { font-size: 0.95rem; color: var(--text-sub); letter-spacing: 2px; font-weight: 700; margin-bottom: 2rem; display: flex; justify-content: center; align-items: center; gap: 8px;}
        nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }
        nav button { background: transparent; border: 1px solid #dce4ec; color: var(--text-main); padding: 0.8rem 1.5rem; border-radius: 50px; font-family: inherit; font-size: 0.95rem; font-weight: 700; cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; gap: 8px; }
        nav button:hover { background: rgba(255,255,255,0.8); transform: translateY(-2px); }
        nav button.active { background: #fff7fa; border-color: var(--accent-color); color: var(--accent-color); box-shadow: 0 4px 15px rgba(255, 182, 193, 0.2); }
        .section { display: none; animation: fadeIn 0.4s ease; }
        .section.active { display: block; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

        h2 { color: var(--accent-color); border-bottom: 2px dashed #f0f4f8; padding-bottom: 0.5rem; margin-top: 0; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 10px; font-size: 1.5rem; }
        .filter-container { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 2rem; justify-content: center; }
        .filter-btn { background: rgba(255,255,255,0.5); border: 1px solid var(--glass-border); color: var(--text-sub); padding: 8px 16px; border-radius: 20px; font-family: inherit; font-size: 0.9rem; font-weight: 700; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; gap: 5px; }
        .filter-btn:hover { background: #fff; color: var(--accent-blue); }
        .filter-btn.active { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); box-shadow: 0 4px 10px rgba(188, 226, 232, 0.5);}

        .products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; width: 100%; box-sizing: border-box; }
        .product-card { background: var(--glass-bg); backdrop-filter: blur(10px); border: 1px solid var(--glass-border); border-radius: 16px; padding: 15px; display: flex; flex-direction: column; align-items: center; transition: all 0.3s ease; }
        .product-card:hover { transform: translateY(-5px); border-color: var(--accent-color); box-shadow: 0 8px 20px rgba(255, 182, 193, 0.2); }
        .product-category { font-size: 0.75rem; color: var(--accent-blue); font-weight: bold; margin-bottom: 8px; text-transform: uppercase; width: 100%; text-align: left; display: flex; align-items: center; gap: 4px; }
        .product-image-container { width: 100%; aspect-ratio: 1 / 1; overflow: hidden; border-radius: 12px; margin-bottom: 15px; border: 1px solid rgba(255,255,255,0.5); background: #fff; display: flex; align-items: center; justify-content: center; cursor: zoom-in; position: relative; }
        .product-image-container img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .product-card:hover .product-image-container img { transform: scale(1.08); }
        .product-image-container::after { content: '\f20a'; font-family: 'Phosphor'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(255,255,255,0.8); color: var(--accent-color); width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; opacity: 0; transition: 0.3s; }
        .product-card:hover .product-image-container::after { opacity: 1; }
        .product-title { font-size: 0.85rem; font-weight: 700; color: var(--text-main); margin-bottom: 15px; line-height: 1.5; height: 2.8em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-align: left; width: 100%; }
        a.btn-buy { margin-top: auto; display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; text-align: center; background: var(--accent-color); color: white; padding: 10px; border-radius: 20px; text-decoration: none; font-weight: bold; font-size: 0.85rem; transition: all 0.3s ease; }
        a.btn-buy:hover { background: #ff9eb0; }

        .menu-item { background: rgba(255,255,255,0.5); border: 1px solid var(--glass-border); border-radius: 16px; padding: 1.5rem; margin-bottom: 1rem; transition: all 0.2s ease; }
        .menu-item:hover { border-color: var(--accent-color); background: rgba(255,255,255,0.8); }
        .menu-item.premium { background: linear-gradient(135deg, rgba(255,247,250,0.8) 0%, rgba(255,250,235,0.8) 100%); border-color: #ffe082; }
        .menu-price { color: var(--accent-color); font-weight: bold; font-size: 1.1rem; float: right; background: #fff; padding: 4px 12px; border-radius: 20px; box-shadow: 0 2px 5px rgba(0,0,0,0.03); }
        .menu-item strong { color: var(--text-main); font-size: 1.1rem; display: flex; align-items: center; gap: 8px;}
        .menu-item p { margin-top: 0.5rem; font-size: 0.9rem; color: var(--text-sub); line-height: 1.6; }

        .tool-layout { display: flex; gap: 2rem; flex-wrap: wrap; align-items: flex-start; }
        .tool-controls { flex: 1; min-width: 320px; background: rgba(255,255,255,0.4); border-radius: 16px; padding: 1.5rem; border: 1px solid var(--glass-border); }
        .tool-preview { flex: 1.5; min-width: 320px; display: flex; flex-direction: column; gap: 15px; position: sticky; top: 20px; }
        .accordion { display: flex; flex-direction: column; gap: 10px; }
        .accordion-item { background: rgba(255,255,255,0.6); border: 1px solid #fff; border-radius: 12px; overflow: hidden; transition: all 0.3s ease; }
        .accordion-header { width: 100%; text-align: left; background: transparent; border: none; padding: 15px; font-size: 0.95rem; font-weight: 700; color: var(--text-main); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; }
        .accordion-header:hover { background: rgba(255,255,255,0.9); }
        .accordion-header .title-left { display: flex; align-items: center; gap: 8px; }
        .accordion-header i.caret { transition: transform 0.3s ease; color: var(--text-sub); }
        .accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out, padding 0.4s ease; padding: 0 15px; box-sizing: border-box; }
        .accordion-item.active { box-shadow: 0 5px 15px rgba(255, 182, 193, 0.15); border-color: var(--accent-color); }
        .accordion-item.active .accordion-header { color: var(--accent-color); }
        .accordion-item.active .accordion-content { max-height: 600px; padding: 0 15px 15px 15px; }
        .accordion-item.active .accordion-header i.caret { transform: rotate(180deg); color: var(--accent-color); }

        .preset-buttons { display: flex; gap: 8px; margin-bottom: 15px; }
        .preset-btn { flex: 1; padding: 8px; border-radius: 8px; border: 1px solid #dce4ec; background: rgba(255,255,255,0.8); cursor: pointer; font-family: inherit; font-size: 0.85rem; font-weight: bold; color: var(--text-main); transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 4px; }
        .preset-btn:hover { background: #fff; }
        .preset-btn.active { background: var(--accent-color); color: #fff; border-color: var(--accent-color); }

        .input-group label { display: block; font-size: 0.8rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; display: flex; align-items: center; gap: 5px;}
        input[type="text"] { width: 100%; padding: 10px; border: 1px solid #dce4ec; border-radius: 8px; font-family: inherit; font-size: 0.9rem; color: var(--text-main); outline: none; box-sizing: border-box; background: rgba(255,255,255,0.8); margin-bottom: 10px;}
        input[type="text"]:focus { border-color: var(--accent-color); }
        
        .color-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; background: rgba(255,255,255,0.5); padding: 5px 10px; border-radius: 8px;}
        .color-row span { font-size: 0.8rem; font-weight: 700; color: var(--text-main);}
        .color-row input[type="color"] { width: 30px; height: 30px; padding: 0; border: none; border-radius: 6px; cursor: pointer; background: transparent;}
        .color-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
        .color-row input[type="color"]::-webkit-color-swatch { border: 1px solid var(--glass-border); border-radius: 6px; }

        .slider-row { display: flex; align-items: center; gap: 8px; margin-top: 8px;}
        .slider-row span { font-size: 0.75rem; font-weight: bold; width: 40px; color: var(--text-sub);}
        .slider-row input[type="range"] { flex: 1; accent-color: var(--accent-color); }
        
        .file-upload-wrapper { position: relative; overflow: hidden; display: inline-block; width: 100%; margin-bottom: 10px; }
        .btn-upload { background: #fff; border: 1px dashed var(--accent-color); color: var(--accent-color); padding: 10px; border-radius: 8px; width: 100%; text-align: center; font-weight: bold; font-size: 0.85rem; cursor: pointer; display: flex; justify-content: center; align-items: center; gap: 8px; transition: all 0.2s; box-sizing: border-box; }
        .btn-upload:hover { background: #fff0f5; }
        .file-upload-wrapper input[type=file] { font-size: 100px; position: absolute; left: 0; top: 0; opacity: 0; cursor: pointer; height: 100%; }

        .schedule-scroll-area { max-height: 280px; overflow-y: auto; padding-right: 5px; }
        .schedule-scroll-area::-webkit-scrollbar { width: 6px; }
        .schedule-scroll-area::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.4); border-radius: 10px; }
        .schedule-scroll-area::-webkit-scrollbar-thumb { background: var(--accent-color); border-radius: 10px; }
        .day-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; background: rgba(255,255,255,0.7); padding: 8px; border-radius: 8px;}
        .day-label { font-weight: bold; color: var(--text-main); width: 25px; text-align: center; font-size: 0.9rem;}
        .day-time { width: 70px !important; font-size: 0.8rem !important; padding: 8px !important; margin-bottom: 0 !important;}
        .day-text { flex: 1; font-size: 0.85rem !important; padding: 8px !important; margin-bottom: 0 !important;}

        .custom-canvas { width: 100%; height: auto; border-radius: 12px; box-shadow: 0 10px 20px rgba(0,0,0,0.05); border: 1px solid var(--glass-border); background: #fff;}
        .btn-download { background: var(--accent-blue); color: #fff; border: none; padding: 15px; border-radius: 30px; font-weight: bold; font-size: 1rem; cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: inherit; width: 100%; box-sizing: border-box;}
        .btn-download:hover { background: #9fd4df; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(188, 226, 232, 0.4);}
        .btn-copy { background: #4caf50; color: #fff; border: none; padding: 12px; border-radius: 12px; font-weight: bold; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; transition: 0.2s; width: 100%; margin-top: 10px; font-size: 0.9rem;}
        .btn-copy:hover { background: #45a049; }
        .social-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; margin-top: 1rem; background: var(--text-sub); color: #fff; padding: 12px 30px; border-radius: 50px; text-decoration: none; font-weight: bold; transition: all 0.3s ease; }
        .social-link:hover { background: var(--text-main); transform: scale(1.05); }
        footer { text-align: center; padding: 2rem; color: var(--text-sub); font-size: 0.85rem; }
        footer a { color: var(--accent-color); text-decoration: none; font-weight: bold; }
        .copy-url-box { background: rgba(0,0,0,0.05); padding: 10px; border-radius: 8px; font-family: monospace; font-size: 0.8rem; word-break: break-all; margin-top: 10px; color: var(--text-sub); border: 1px dashed #ccc;}

        .glass-panel, .tool-controls, .tool-preview, .accordion-content, .color-row, .input-group, input, .custom-canvas { box-sizing: border-box; }

        /* --- 新功能樣式 (Toast, 色碼, Lightbox, Back-to-Top) --- */
        .color-picker-wrap { display: flex; align-items: center; gap: 8px; background: #fff; padding: 3px 8px; border-radius: 8px; border: 1px solid var(--glass-border); }
        .hex-value { font-family: monospace; font-size: 0.85rem; color: var(--text-sub); cursor: pointer; transition: 0.2s; font-weight: bold; }
        .hex-value:hover { color: var(--accent-color); }
        
        #toast-container { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 10px; z-index: 9999; pointer-events: none; }
        .toast { background: var(--accent-color); color: #fff; padding: 12px 25px; border-radius: 50px; font-weight: bold; font-size: 0.9rem; box-shadow: 0 5px 15px rgba(255, 182, 193, 0.4); display: flex; align-items: center; gap: 8px; opacity: 0; transform: translateY(20px); transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55); }
        .toast.show { opacity: 1; transform: translateY(0); }

        .lightbox { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; z-index: 10000; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
        .lightbox.show { opacity: 1; pointer-events: all; }
        .lightbox img { max-width: 90%; max-height: 90vh; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }
        .lightbox.show img { transform: scale(1); }
        .close-lightbox { position: absolute; top: 20px; right: 30px; color: #fff; font-size: 2rem; cursor: pointer; transition: 0.2s; }
        .close-lightbox:hover { color: var(--accent-color); transform: scale(1.1); }

        #back-to-top { position: fixed; bottom: 30px; right: 30px; background: #fff; color: var(--accent-color); border: 1px solid var(--accent-color); width: 50px; height: 50px; border-radius: 50%; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 5px 15px rgba(255, 182, 193, 0.3); opacity: 0; pointer-events: none; transform: translateY(20px); transition: all 0.3s ease; z-index: 900; }
        #back-to-top.show { opacity: 1; pointer-events: all; transform: translateY(0); }
        #back-to-top:hover { background: var(--accent-color); color: #fff; transform: translateY(-5px); }

        @media (max-width: 768px) {
            .glass-panel { padding: 1.5rem 1rem !important; border-radius: 16px; }
            .tool-controls, .tool-preview { min-width: 100% !important; padding: 1.2rem !important; }
            .preset-buttons { flex-wrap: wrap; }
            .tool-preview { overflow: hidden; }
            .accordion-header { font-size: 0.9rem; padding: 12px 10px; }
            .accordion-content { padding: 0 10px; }
            #back-to-top { bottom: 20px; right: 20px; width: 45px; height: 45px; }
        }