/* --- 基礎設定 --- */
        body,
        html {
            margin: 0;
            padding: 0;
            height: 100%;
            font-family: sans-serif;
            overflow: hidden;
            background: #222;
        }

        /* --- 🔒 密碼驗證層 --- */
        #auth-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #000;
            color: #00FFFF;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 10000;
        }

        #auth-container {
            text-align: center;
            padding: 40px;
            border: 2px solid #00FFFF;
            border-radius: 15px;
            background: #1a1a1a;
            box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
        }

        #password-input {
            padding: 12px;
            font-size: 1.2em;
            border: 1px solid #00FFFF;
            border-radius: 5px;
            background: #333;
            color: #fff;
            margin-bottom: 20px;
            outline: none;
            width: 220px;
            text-align: center;
        }

        #login-btn {
            padding: 12px 40px;
            font-size: 1.2em;
            background: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
        }

        /* 地圖容器 (高度配合控制板調整) */
        #map {
            height: 100vh;
            width: 100%;
            z-index: 1;
        }

        /* --- 控制面板 (高度縮減為 140px) --- */
        /* --- 控制面板 (高度調整以容納新功能) --- */
        #controls {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: auto;
            max-height: 50vh;
            overflow-y: auto;
            background: #1a1a1a;
            color: white;
            border-top: 2px solid #00FFFF;
            display: flex;
            flex-direction: column;
            gap: 5px;
            /* 改用 gap 控制間距 */
            padding: 4px 8px calc(4px + env(safe-area-inset-bottom));
            box-sizing: border-box;
            z-index: 1000;
        }

        /* 通用列樣式 */
        .control-row {
            display: flex;
            gap: 5px;
            align-items: center;
            width: 100%;
            height: 32px;
        }

        /* 輸入框組 */
        .input-group {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85em;
        }

        input[type="number"] {
            padding: 2px;
            background: #444;
            color: white;
            border: 1px solid #666;
            border-radius: 4px;
            width: 45px;
            text-align: center;
        }

        /* MSA 控制項 (樣式統一) */
        .msa-control {
            background: #300;
            padding: 0 5px;
            border-radius: 4px;
            border: 1px dashed #FF4444;
            display: flex;
            align-items: center;
            height: 100%;
        }

        /* [修改] NVG 戰術面板 (緊湊化) */
        .nvg-row {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            height: 100%;
            background: #002222;
            border: 1px solid #007777;
            border-radius: 4px;
            padding: 0 5px;
            overflow: hidden;
            /* 防止溢出 */
        }

        /* 滑桿區塊 */
        .time-slider-wrapper {
            display: flex;
            align-items: center;
            gap: 5px;
            flex: 1;
            /* 佔據左半邊 */
            min-width: 120px;
        }

        input[type=range] {
            flex-grow: 1;
            height: 4px;
            accent-color: #00FFFF;
            cursor: pointer;
        }

        .sim-time-text {
            color: #00FFFF;
            font-family: monospace;
            font-size: 0.9em;
            font-weight: bold;
            width: 85px;
            text-align: right;
        }

        /* 數據顯示區塊 (右半邊) */
        .nvg-info {
            display: flex;
            gap: 8px;
            font-size: 0.75em;
            color: #ccc;
            align-items: center;
            justify-content: flex-end;
        }

        .nvg-val {
            color: #FFFF00;
            font-weight: bold;
        }

        .nvg-alert {
            color: #FF0000 !important;
            animation: blink 1s infinite;
            font-weight: bold;
        }

        @keyframes blink {
            50% {
                opacity: 0.3;
            }
        }

        /* 底部按鈕區 */
        .summary-container {
            display: flex;
            gap: 5px;
            flex-grow: 1;
            height: 100%;
        }

        .summary-box {
            flex: 1;
            font-weight: bold;
            color: #00FFFF;
            background: #333;
            border-radius: 4px;
            border: 1px solid #444;
            font-size: 0.7em;
            display: flex;
            align-items: center;
            justify-content: space-around;
        }

        .summary-box span {
            color: #FFFF00;
            font-size: 1.1em;
            margin-left: 2px;
        }

        .btn {
            padding: 0 12px;
            height: 100%;
            border: none;
            border-radius: 4px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            font-size: 0.85em;
            display: flex;
            align-items: center;
        }

        .btn-delete {
            background-color: #dc3545;
        }

        .btn-export {
            background-color: #28a745;
        }

        /* --- 地圖元件樣式 --- */
        .missile-icon {
            font-size: 2.5em;
            /* 調整飛彈圖示大小 */
            text-shadow: 2px 2px 5px black;
        }

        #radar-legend {
            position: fixed;
            bottom: 220px;
            right: 10px;
            background: rgba(0, 0, 0, 0.8);
            padding: 8px;
            border-radius: 5px;
            display: none;
            flex-direction: column;
            gap: 2px;
            z-index: 1000;
            border: 1px solid #00FFFF;
            color: white;
            font-size: 0.75em;
            width: 80px;
            box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
        }

        /* --- 雷達播放器控制項 --- */
        #radar-player-ctrl {
            position: absolute;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(10, 10, 10, 0.95);
            border: 2px solid #00FFFF;
            border-radius: 20px;
            padding: 5px 20px;
            display: none;
            align-items: center;
            gap: 15px;
            z-index: 3000;
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
            min-width: 350px;
        }

        .player-btn {
            background: none;
            border: 1px solid #00FFFF;
            color: #00FFFF;
            border-radius: 4px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 1.2em;
        }

        .player-btn:hover {
            background: #00FFFF;
            color: #000;
        }

        #radar-slider {
            flex-grow: 1;
            height: 6px;
            accent-color: #00FFFF;
            cursor: pointer;
        }

        #current-radar-time {
            color: #FFFF00;
            font-family: monospace;
            font-weight: bold;
            font-size: 0.95em;
            width: 50px;
            text-align: center;
        }

        /* 替換為針對 Pane 的 CSS 來解決 Leaflet 圖層隔離導致的 mix-blend-mode 失效問題 */
        .radar-blend-pane {
            mix-blend-mode: multiply;
            opacity: 0.8;
            filter: brightness(1.5) contrast(2);
            pointer-events: none;
        }

        .legend-row {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .color-box {
            width: 15px;
            height: 12px;
            border-radius: 2px;
        }

        #loading-indicator {
            position: absolute;
            top: 50px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(255, 0, 255, 0.8);
            color: white;
            padding: 5px 15px;
            border-radius: 5px;
            font-weight: bold;
            display: none;
            z-index: 2000;
        }

        /* 月亮方位指標 */
        .moon-arrow {
            font-size: 30px;
            color: #86dd9c;
            text-shadow: 0 0 5px #030303;
            opacity: 0.8;
            transform-origin: center center;
            display: block;
            text-align: center;
            line-height: 1;
        }

        .leaflet-control-layers-toggle {
            width: 44px !important;
            height: 44px !important;
        }

        /* [修正] 強制透明標籤 (移除預設白色背景) */
        .leaflet-tooltip.big-label {
            background: transparent !important;
            border: none !important;
            box-shadow: none !important;
            font-size: 1.8em;
            /* [可調整] 航點資訊字體大小 (原本 2.5em) */
            font-weight: bold;
            color: #00FFFF !important;
            text-shadow: 3px 3px 4px #000, -2px -2px 3px #000;
            /* 強陰影增加可讀性 */
            line-height: 1.1;
            white-space: nowrap !important;
        }

        /* 航段中間的小標籤也透明 */
        .leaflet-tooltip.segment-label,
        .leaflet-marker-icon.segment-label {
            background: transparent !important;
            border: none !important;
            box-shadow: none !important;
            font-size: 1.5em;
            color: #FFFF00 !important;
            text-shadow: 2px 2px 2px #000;
            white-space: nowrap !important;
        }

        .aip-label {
            background: rgba(0, 0, 0, 0.8);
            border: 1px solid #00FFFF;
            color: #00FFFF;
            font-weight: bold;
            padding: 2px 5px;
        }

        .aip-icon {
            font-size: 1.5em;
            text-shadow: 2px 2px 2px #000;
        }

        @media (max-width: 768px) {
            .big-label {
                font-size: 1.5em !important;
            }

            /* [可調整] 手機版航點字體大小 */
            #controls {
                height: auto;
            }

            #map {
                height: 100vh;
            }

            #controls {
                height: auto;
            }

            #map {
                height: 100vh;
            }

            .nvg-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 4px;
            }

            /* 手機版拆成兩行 */
            .time-slider-wrapper {
                width: 100%;
                margin-bottom: 2px;
            }

            .nvg-info {
                width: 100%;
                justify-content: space-between;
            }
        }

        /* --- 新增：比例尺與縮放控制項排版 --- */
        .leaflet-top.leaflet-right {
            display: flex;
            flex-direction: row-reverse;
            /* 讓先加入的 Zoom 靠右，後加入的 Scale 靠左 */
            align-items: flex-start;
            gap: 10px;
            margin-top: 10px;
            margin-right: 10px;
        }

        .leaflet-top.leaflet-right .leaflet-control {
            margin: 0 !important;
        }

        .leaflet-control-scale-line {
            background: transparent;
            border: 1px solid #00FFFF;
            border-top: none;
            color: #00FFFF;
            font-weight: bold;
            text-shadow: 1px 1px 0 #000;
        }

        .leaflet-control-scale-line::before {
            content: "比例尺 ";
        }

        /* --- 新增：防拷貝/防選取 --- */
        body {
            -webkit-user-select: none;
            /* Safari, Chrome */
            -moz-user-select: none;
            /* Firefox */
            -ms-user-select: none;
            /* IE/Edge */
            user-select: none;
            /* 標準語法 */
        }

        /* 允許在輸入框和可編輯內容中選取文字 */
        input,
        textarea,
        [contenteditable="true"] {
            -webkit-user-select: auto;
            -moz-user-select: auto;
            -ms-user-select: auto;
            user-select: auto;
        }

        /* --- AI 分析 Modal --- */
        #ai-modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.75);
            z-index: 9000;
            display: none;
            justify-content: center;
            align-items: center;
            backdrop-filter: blur(4px);
        }

        #ai-modal-overlay.active {
            display: flex;
        }

        #ai-modal {
            background: #0d1117;
            border: 1px solid #00FFFF;
            border-radius: 16px;
            width: 90%;
            max-width: 680px;
            max-height: 80vh;
            display: flex;
            flex-direction: column;
            box-shadow: 0 0 40px rgba(0, 255, 255, 0.25);
            overflow: hidden;
            animation: modalIn 0.3s ease;
        }

        @keyframes modalIn {
            from {
                opacity: 0;
                transform: translateY(20px) scale(0.97);
            }

            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        #ai-modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            border-bottom: 1px solid #1e3a3a;
            background: linear-gradient(90deg, #00151a, #001f2e);
            flex-shrink: 0;
        }

        #ai-modal-header h2 {
            margin: 0;
            font-size: 1em;
            color: #00FFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        #ai-modal-close {
            background: none;
            border: 1px solid #555;
            color: #aaa;
            border-radius: 50%;
            width: 28px;
            height: 28px;
            cursor: pointer;
            font-size: 1em;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        #ai-modal-close:hover {
            background: #dc3545;
            border-color: #dc3545;
            color: #fff;
        }

        #ai-modal-api-row {
            display: flex;
            gap: 8px;
            padding: 10px 16px;
            border-bottom: 1px solid #1e3a3a;
            background: #0a0f14;
            flex-shrink: 0;
            align-items: center;
        }

        #ai-api-key-input {
            flex: 1;
            padding: 7px 10px;
            background: #1a1a2e;
            border: 1px solid #2a4a5a;
            border-radius: 6px;
            color: #ccc;
            font-size: 0.82em;
            font-family: monospace;
            outline: none;
            transition: border-color 0.2s;
        }

        #ai-api-key-input:focus {
            border-color: #00FFFF;
        }

        #ai-analyze-btn {
            padding: 7px 18px;
            background: linear-gradient(135deg, #007a7a, #005f5f);
            border: 1px solid #00FFFF;
            color: #00FFFF;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 0.85em;
            white-space: nowrap;
            transition: all 0.2s;
        }

        #ai-analyze-btn:hover {
            background: #00FFFF;
            color: #000;
        }

        #ai-analyze-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        #ai-modal-body {
            flex: 1;
            overflow-y: auto;
            padding: 16px 20px;
            font-size: 0.88em;
            line-height: 1.7;
            color: #d0d0d0;
        }

        #ai-modal-body::-webkit-scrollbar {
            width: 5px;
        }

        #ai-modal-body::-webkit-scrollbar-track {
            background: #0d1117;
        }

        #ai-modal-body::-webkit-scrollbar-thumb {
            background: #00777766;
            border-radius: 3px;
        }

        .ai-plan-summary {
            background: #0a1a20;
            border: 1px solid #1e3a4a;
            border-radius: 8px;
            padding: 10px 14px;
            margin-bottom: 14px;
            font-size: 0.85em;
            color: #8ac;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 6px;
            text-align: center;
        }

        .ai-plan-summary .si-val {
            color: #FFFF00;
            font-weight: bold;
            font-size: 1.1em;
        }

        .ai-plan-summary .si-lbl {
            color: #aaa;
            font-size: 0.8em;
        }

        .ai-result-content h3 {
            color: #00FFFF;
            border-bottom: 1px solid #1e3a3a;
            padding-bottom: 4px;
            margin: 14px 0 6px;
            font-size: 0.95em;
        }

        .ai-result-content p {
            margin: 4px 0 8px;
        }

        .ai-result-content ul {
            margin: 4px 0 8px;
            padding-left: 18px;
        }

        .ai-result-content li {
            margin-bottom: 4px;
        }

        .ai-result-content strong {
            color: #FFFF00;
        }

        .ai-result-content .warn {
            color: #FF6666;
            font-weight: bold;
        }

        .ai-result-content .ok {
            color: #66FF88;
        }

        #ai-loading {
            display: none;
            text-align: center;
            padding: 30px 0;
            color: #00FFFF;
        }

        .ai-spinner {
            display: inline-block;
            width: 32px;
            height: 32px;
            border: 3px solid #003333;
            border-top-color: #00FFFF;
            border-radius: 50%;
            animation: spin 0.9s linear infinite;
            margin-bottom: 12px;
        }

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

        #ai-placeholder {
            text-align: center;
            color: #445;
            padding: 30px 0;
            font-size: 0.9em;
        }

        #ai-placeholder .ai-icon-big {
            font-size: 3em;
            display: block;
            margin-bottom: 10px;
        }

        #ai-save-key-label {
            font-size: 0.78em;
            color: #567;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
        }

        #ai-save-key-label input {
            cursor: pointer;
            accent-color: #00FFFF;
        }

        #plan-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 650px;
            max-width: 100vw;
            height: 100vh;
            background: #1a1a1a;
            border-left: 2px solid #00FFFF;
            color: white;
            z-index: 9999;
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
        }

        #plan-panel.active {
            right: 0;
        }

        #plan-panel-header {
            padding: 15px;
            background: linear-gradient(90deg, #003f3f, #001f2e);
            border-bottom: 1px solid #00FFFF;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        #plan-panel-header h2 {
            margin: 0;
            font-size: 1.2em;
            color: #00FFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        #plan-panel-close {
            background: none;
            border: none;
            color: #aaa;
            font-size: 1.5em;
            cursor: pointer;
        }

        #plan-panel-close:hover {
            color: #fff;
        }

        #plan-panel-body {
            flex: 1;
            overflow-y: auto;
            padding: 10px;
        }

        .plan-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85em;
            color: #ddd;
        }

        .plan-table th,
        .plan-table td {
            border: 1px solid #444;
            padding: 6px;
            text-align: center;
        }

        .plan-table th {
            background: #222;
            color: #00FFFF;
            position: sticky;
            top: 0;
            z-index: 2;
        }

        .plan-table input {
            background: #111;
            border: 1px solid #555;
            color: #fff;
            padding: 4px;
            width: 100%;
            box-sizing: border-box;
            text-align: center;
            border-radius: 3px;
        }

        .plan-table input:focus {
            border-color: #00FFFF;
            outline: none;
        }

        .stepper {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
        }

        .stepper button {
            background: #333;
            color: #00FFFF;
            border: 1px solid #555;
            padding: 2px 6px;
            cursor: pointer;
            font-size: 1.1em;
            font-weight: bold;
            flex-shrink: 0;
            border-radius: 3px;
        }

        .stepper button:hover {
            background: #444;
        }

        .stepper input {
            min-width: 35px;
            margin: 0 4px;
            -moz-appearance: textfield;
        }

        .stepper input::-webkit-outer-spin-button,
        .stepper input::-webkit-inner-spin-button {
            -webkit-appearance: none;
            margin: 0;
        }

        #plan-panel-footer {
            padding: 15px;
            border-top: 1px solid #333;
            text-align: center;
        }

        #btn-confirm-plan, #export-btn {
            background: #00FFFF;
            color: black;
            border: none;
            padding: 10px 20px;
            font-size: 1.1em;
            font-weight: bold;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
        }

        #btn-confirm-plan:hover, #export-btn:hover {
            background: #00cccc;
        }