/* ==========================================
   檔案：style.css
   用途：定義 CoDrone EDU 模擬器的所有視覺樣式
   ========================================== */

:root {
    --bg-color: #1a1c23;
    --panel-bg: #242731;
    --text-color: #f0f0f0;
    --accent-color: #4c6ef5;
    --secondary-text: #adb5bd;
    /* 鍵盤 :focus-visible 用 — 與深紫／深色背景對比清楚 */
    --focus-ring-color: #38bdf8;
    --focus-ring-width: 3px;
    --focus-ring-offset: 3px;

    /* 品牌紫（漸層／陰影 token，數值與原稿一致） */
    --color-brand: #667eea;
    --color-brand-deep: #764ba2;
    --color-brand-mission-end: #a8b5ff;
    --rgb-brand: 102, 126, 234;
    --rgb-brand-deep: 118, 75, 162;

    --gradient-primary: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-deep) 100%);
    --gradient-primary-reverse: linear-gradient(135deg, var(--color-brand-deep) 0%, var(--color-brand) 100%);
    --gradient-mission: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-mission-end) 100%);
    --gradient-feature-hover: linear-gradient(135deg, rgba(var(--rgb-brand), 0.2) 0%, rgba(var(--rgb-brand-deep), 0.2) 100%);

    --shadow-cta: 0 4px 15px rgba(var(--rgb-brand), 0.4);
    --shadow-cta-hover: 0 6px 20px rgba(var(--rgb-brand), 0.6);
    --shadow-brand-bar: 0 2px 10px rgba(var(--rgb-brand), 0.3);
    --shadow-brand-soft: 0 2px 8px rgba(var(--rgb-brand), 0.3);
    --shadow-brand-elevated: 0 4px 12px rgba(var(--rgb-brand), 0.5);
    --shadow-brand-subtle: 0 2px 8px rgba(var(--rgb-brand), 0.2);
    --shadow-brand-lift: 0 4px 12px rgba(var(--rgb-brand), 0.3);
    --shadow-brand-focus-ui: 0 4px 12px rgba(var(--rgb-brand), 0.35);
    --shadow-brand-toggle: 0 4px 12px rgba(var(--rgb-brand), 0.4);
    --shadow-brand-settings: 0 6px 16px rgba(var(--rgb-brand), 0.6);
    --shadow-brand-resizer: 0 2px 5px rgba(var(--rgb-brand), 0.3);
    --shadow-brand-zoom-hover: 0 4px 8px rgba(var(--rgb-brand), 0.5);
    --shadow-brand-glow: 0 0 15px rgba(var(--rgb-brand), 0.3);
    --shadow-brand-glow-strong: 0 0 25px rgba(var(--rgb-brand), 0.6);
    --shadow-brand-edge-r: 2px 0 10px rgba(var(--rgb-brand), 0.1);
    --shadow-brand-edge-l: -2px 0 10px rgba(var(--rgb-brand), 0.1);

    /* 與 hub 頂列一致的遊戲介面 chrome */
    --chrome-bar-bg: rgba(18, 21, 28, 0.92);
    --chrome-bar-border: 1px solid rgba(var(--rgb-brand), 0.25);
}

/* 鍵盤操作時可見焦點（滑鼠點擊多半不顯示，由瀏覽器 :focus-visible 判斷） */
button:not(:disabled):focus-visible,
a[href]:focus-visible,
input:not(:disabled):focus-visible,
select:not(:disabled):focus-visible,
textarea:not(:disabled):focus-visible,
summary:focus-visible,
[tabindex]:not([tabindex="-1"]):focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.45);
}

/* hover 會覆寫 box-shadow 的按鈕：鍵盤焦點時併用 ring + 原 hover 陰影（outline 仍由上方保證） */
.control-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        var(--shadow-brand-elevated);
}
.menu-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        var(--shadow-cta-hover);
}
.mission-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        var(--shadow-cta-hover);
}
.back-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        var(--shadow-brand-glow-strong);
}
.back-btn-game:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        0 4px 12px rgba(0, 0, 0, 0.3);
}
.settings-toggle-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        var(--shadow-brand-settings);
}
.floating-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.55),
        0 6px 20px rgba(0, 0, 0, 0.4);
}
.floating-btn.btn-run:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.55),
        0 6px 20px rgba(39, 174, 96, 0.6);
}
.floating-btn.btn-stop:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.55),
        0 6px 20px rgba(192, 57, 43, 0.6);
}
.floating-btn.btn-reset:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.55),
        0 6px 20px rgba(230, 126, 34, 0.6);
}
.blockly-tool-btn--icon:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        0 2px 8px rgba(0, 0, 0, 0.25);
}
.result-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5);
    transform: translateY(-2px);
    filter: brightness(1.1);
}
.settings-btn:focus-visible:hover {
    box-shadow:
        0 0 0 2px rgba(56, 189, 248, 0.5),
        0 4px 12px rgba(142, 68, 173, 0.5);
}

/* 設定內速度滑桿較扁，加大 offset 讓 ring 較易辨識 */
#speed-slider:focus-visible {
    outline-offset: 4px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 遊戲界面 */
#game-interface {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background: linear-gradient(135deg, #1a1c23 0%, #242731 100%);
    min-height: 0;
    overflow: hidden;
    box-sizing: border-box;
}

/* 遊戲界面的六邊形網格背景（半透明，不影響 3D 渲染） */
#game-interface::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(100, 150, 255, 0.03) 2px, rgba(100, 150, 255, 0.03) 4px),
        repeating-linear-gradient(60deg, transparent, transparent 2px, rgba(100, 150, 255, 0.03) 2px, rgba(100, 150, 255, 0.03) 4px),
        repeating-linear-gradient(120deg, transparent, transparent 2px, rgba(100, 150, 255, 0.03) 2px, rgba(100, 150, 255, 0.03) 4px);
    background-size: 100px 100px;
    opacity: 0.2;
    z-index: 0;
    pointer-events: none; /* 不阻擋交互 */
}

/* 確保背景只在非 3D 區域顯示 */
#game-interface .top-bar,
#game-interface .main-container {
    position: relative;
    z-index: 1; /* 確保內容在背景之上 */
}

/* 3D 容器區域 */
#canvas-container {
    background-color: var(--bg-color) !important;
    position: relative;
    z-index: 1;
}

#canvas-container::before {
    display: none; /* 不在 3D 區域顯示背景 */
}

/* 頂部導航列（與 hub-header 同色票 token） */
.top-bar {
    flex: 0 0 50px; /* 固定 50px 高度，不縮放 */
    width: 100%;
    height: 50px;
    background: var(--chrome-bar-bg);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
    box-sizing: border-box;
    z-index: 100;
    border-bottom: var(--chrome-bar-border);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}

.top-bar .camera-mode-btn {
    margin-left: auto;
    background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
    color: white;
    border: none;
    white-space: nowrap;
    flex-shrink: 0;
}
.top-bar h2 { 
    margin: 0; 
    color: white; 
    font-size: 1.2rem; 
    margin-right: 30px; 
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}
/* 控制按鈕樣式 */
.control-btn {
    background: var(--gradient-primary);
    color: white; 
    border: none; 
    padding: 8px 15px;
    margin-right: 10px; 
    border-radius: 8px; 
    cursor: pointer; 
    font-weight: bold;
    display: flex; 
    align-items: center; 
    gap: 5px; 
    transition: all 0.3s ease;
    box-shadow: var(--shadow-brand-soft);
    position: relative;
    overflow: hidden;
}
.control-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.control-btn:hover { 
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-elevated);
}
.control-btn:hover::before {
    opacity: 1;
}
.control-btn:active {
    transform: translateY(0);
}
.btn-run { 
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    box-shadow: 0 2px 8px rgba(39, 174, 96, 0.3);
}
.btn-run:hover {
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.5);
}
.btn-stop { 
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    box-shadow: 0 2px 8px rgba(192, 57, 43, 0.3);
}
.btn-stop:hover {
    box-shadow: 0 4px 12px rgba(192, 57, 43, 0.5);
}
.btn-reset { 
    background: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    box-shadow: 0 2px 8px rgba(230, 126, 34, 0.3);
}
.btn-reset:hover {
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.5);
}
/* CoDrone 連接按鈕 */
.codrone-connection {
    margin-left: auto;
    display: flex;
    align-items: center;
}
.codrone-btn {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    box-shadow: 0 2px 8px rgba(52, 73, 94, 0.3);
    min-width: 120px;
}
.codrone-btn:hover {
    box-shadow: 0 4px 12px rgba(52, 73, 94, 0.5);
}
.codrone-btn[style*="background-color: #4caf50"] {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%) !important;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}
.codrone-btn[style*="background-color: #4caf50"]:hover {
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.5);
}
#codrone-status-icon {
    font-size: 1.1em;
    margin-right: 5px;
}
#codrone-status-text {
    font-size: 0.9em;
}

.btn-step {
    background: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    box-shadow: 0 2px 8px rgba(230, 126, 34, 0.3);
}
.btn-step:hover {
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.5);
}

/* 切換積木區按鈕 */
.toggle-blockly-btn {
    margin-right: 15px;
}

/* 首次進入遊戲介面：Blockly 一次性提示（浮於右下角控制列之上） */
.discover-toast {
    position: fixed;
    bottom: 88px;
    left: 50%;
    transform: translateX(-50%);
    max-width: min(92vw, 440px);
    z-index: 250;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: rgba(22, 28, 45, 0.95);
    border: 1px solid rgba(var(--rgb-brand), 0.55);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    color: #e8ecf4;
    font-size: 0.92rem;
    line-height: 1.45;
}
.discover-toast[hidden] {
    display: none !important;
}
.discover-toast-text {
    margin: 0;
    flex: 1;
}
.discover-toast-dismiss {
    flex-shrink: 0;
    padding: 6px 12px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    background: var(--gradient-primary);
    color: #fff;
}
.discover-toast-dismiss:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* 執行控制區域 */
.execution-controls {
    display: flex;
    align-items: center;
    margin-left: 10px;
    margin-right: 10px;
}

#speed-slider {
    cursor: pointer;
}

/* 執行進度顯示 */
.execution-progress {
    display: flex;
    align-items: center;
    margin-left: 10px;
    padding: 5px 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(var(--rgb-brand), 0.5);
}

#progress-text {
    font-weight: bold;
    color: #00ff00;
}
/* 場景選擇下拉選單 */
.scene-select { 
    padding: 8px 15px; 
    border-radius: 8px; 
    background: rgba(255, 255, 255, 0.9); 
    border: 2px solid rgba(var(--rgb-brand), 0.3);
    margin-left: auto; 
    font-weight: bold; 
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-brand-subtle);
}
.scene-select:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(var(--rgb-brand), 0.5);
    box-shadow: var(--shadow-brand-lift);
    transform: translateY(-1px);
}
/* 鍵盤焦點：保留清楚 ring（勿 outline:none）；與淺色選單底對比用深色邊＋亮色外圈 */
.scene-select:focus-visible {
    outline: var(--focus-ring-width) solid #0c4a6e;
    outline-offset: var(--focus-ring-offset);
    border-color: rgba(12, 74, 110, 0.95);
    box-shadow:
        0 0 0 2px var(--focus-ring-color),
        var(--shadow-brand-focus-ui);
}

/* 右上角设置菜单 */
.settings-menu {
    position: fixed;
    top: 60px;
    right: 20px;
    z-index: 200;
}

.settings-toggle-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-brand-toggle);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-brand-settings);
}

.settings-panel {
    position: absolute;
    top: 60px;
    right: 0;
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 20px;
    min-width: 250px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(var(--rgb-brand), 0.3);
}

.settings-item {
    margin-bottom: 15px;
}

.settings-item:last-child {
    margin-bottom: 0;
}

.settings-item label {
    display: block;
    color: white;
    font-size: 0.9rem;
    margin-bottom: 8px;
    font-weight: bold;
}

.settings-item input[type="range"] {
    width: 100%;
    margin: 8px 0;
    cursor: pointer;
}

.settings-item #speed-display {
    color: #00adb5;
    font-weight: bold;
    font-size: 1rem;
    display: inline-block;
    margin-left: 10px;
}

.settings-btn {
    width: 100%;
    padding: 10px 15px;
    background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(142, 68, 173, 0.3);
}

.settings-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(142, 68, 173, 0.5);
}

/* 右下角浮动控制面板 */
.floating-control-panel {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 15px;
}

.control-buttons-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.floating-btn:active {
    transform: scale(0.95);
}

.floating-btn.btn-run {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    box-shadow: 0 4px 16px rgba(39, 174, 96, 0.4);
}

.floating-btn.btn-run:hover {
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.6);
}

.floating-btn.btn-stop {
    background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
    box-shadow: 0 4px 16px rgba(192, 57, 43, 0.4);
}

.floating-btn.btn-stop:hover {
    box-shadow: 0 6px 20px rgba(192, 57, 43, 0.6);
}

.floating-btn.btn-reset {
    background: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    box-shadow: 0 4px 16px rgba(230, 126, 34, 0.4);
}

.floating-btn.btn-reset:hover {
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.6);
}

/* 浮动面板中的执行进度 */
.floating-control-panel .execution-progress {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid rgba(var(--rgb-brand), 0.5);
    color: white;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.floating-control-panel .execution-progress #progress-text {
    font-weight: bold;
    color: #00ff00;
    margin-left: 5px;
}
/* 主容器佈局 */
.main-container { 
    display: flex; 
    flex: 1 1 0%;
    width: 100%; 
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

/* 積木區面板 - 默認隱藏 */
.blockly-panel {
    flex: 0 0 0; /* 默認寬度為 0（隱藏） */
    min-width: 0;
    min-height: 0;
    background-color: rgba(255, 255, 255, 0.95); 
    border-right: 2px solid rgba(var(--rgb-brand), 0.3);
    box-shadow: var(--shadow-brand-edge-r);
    overflow: hidden;
    transition: flex 0.15s ease, width 0.15s ease, opacity 0.15s ease;
    width: 0;
    opacity: 0;
    pointer-events: none;
    position: relative;
    display: flex;
    flex-direction: column;
    container-type: inline-size;
    container-name: blockly-panel;
}

/* 積木區顯示時 */
.blockly-panel.visible {
    flex: 0 0 30%; /* 顯示時佔用 30% 寬度（可調整） */
    width: 30%;
    min-width: 250px; /* 最小寬度 */
    max-width: 60%; /* 最大寬度 */
    opacity: 1;
    pointer-events: auto;
    transition: flex 0.15s ease, width 0.15s ease, opacity 0.15s ease; /* 更快的過渡動畫 */
}

/* 積木區頂部工具列 */
.blockly-toolbar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 42px;
    padding: 6px 10px;
    background: var(--chrome-bar-bg);
    border-bottom: var(--chrome-bar-border);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
    z-index: 102;
}

.blockly-toolbar__brand {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    flex-shrink: 1;
}

.blockly-toolbar__icon {
    font-size: 1rem;
    line-height: 1;
}

.blockly-toolbar__title {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #e8ecf4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blockly-toolbar__actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.blockly-toolbar__group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.blockly-toolbar__divider {
    width: 1px;
    height: 22px;
    background: rgba(255, 255, 255, 0.18);
    flex-shrink: 0;
}

.blockly-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 28px;
    padding: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.08);
    color: #e8ecf4;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease;
}

.blockly-tool-btn__glyph {
    font-size: 0.85rem;
    font-weight: 700;
    opacity: 0.95;
}

.blockly-tool-btn--import:hover,
.blockly-tool-btn--import:focus-visible {
    background: rgba(56, 189, 248, 0.22);
    border-color: rgba(56, 189, 248, 0.45);
}

.blockly-tool-btn--export:hover,
.blockly-tool-btn--export:focus-visible {
    background: rgba(52, 211, 153, 0.2);
    border-color: rgba(52, 211, 153, 0.42);
}

.blockly-tool-btn--icon {
    width: 28px;
    padding: 0;
    font-size: 1rem;
    font-weight: 700;
}

.blockly-tool-btn--icon:hover,
.blockly-tool-btn--icon:focus-visible {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.28);
}

.blockly-tool-btn:active {
    transform: scale(0.96);
}

.blockly-tool-btn:focus-visible {
    outline: 2px solid rgba(var(--rgb-brand), 0.85);
    outline-offset: 1px;
}

/* Blockly 工作區（注入目標） */
.blockly-workspace {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

.blockly-workspace > .injectionDiv,
.blockly-workspace .blocklySvg {
    width: 100% !important;
    height: 100% !important;
}

/* 窄積木區：工具列只顯示圖示 */
@container blockly-panel (max-width: 340px) {
    .blockly-toolbar__title {
        display: none;
    }

    .blockly-tool-btn__label {
        display: none;
    }

    .blockly-tool-btn--import,
    .blockly-tool-btn--export {
        width: 28px;
        padding: 0;
    }
}


/* 積木區寬度調整器 */
.blockly-resizer {
    position: absolute;
    top: 0;
    right: -4px;
    width: 8px;
    height: 100%;
    background-color: rgba(var(--rgb-brand), 0.3);
    cursor: col-resize;
    z-index: 100;
    transition: background-color 0.2s ease;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

/* iPad／觸控：加寬可拖曳區域 */
@media (pointer: coarse) {
    .blockly-resizer {
        right: -10px;
        width: 20px;
    }
}

body.blockly-resizing {
    cursor: col-resize !important;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

body.blockly-resizing .blockly-resizer {
    background-color: rgba(var(--rgb-brand), 1);
}

.blockly-resizer:hover {
    background-color: rgba(var(--rgb-brand), 0.8);
}

.blockly-resizer:active {
    background-color: rgba(var(--rgb-brand), 1);
}

/* 3D 模擬器面板 */
.canvas-panel {
    flex: 1 1 auto; /* 佔用所有剩餘空間 */
    min-width: 0;
    min-height: 0;
    position: relative; 
    background-color: #000; 
    cursor: grab; 
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    box-shadow: var(--shadow-brand-edge-l);
    transition: flex 0.3s ease;
}

/* 當積木區隱藏時，3D 模擬器佔用全部空間 */
.main-container.blockly-hidden .canvas-panel {
    flex: 1 1 100% !important;
    width: 100% !important;
}

/* Three.js canvas 應該佔用所有可用空間（除了 console） */
#canvas-container > canvas {
    flex: 1 1 auto; /* 佔用剩餘空間 */
    min-height: 0;
    min-width: 0;
    width: 100%;
    display: block;
    order: 1; /* 確保在 console 之前 */
}

#canvas-container:active { 
    cursor: grabbing; 
}

/* 路面編輯（ROAD_EDITOR_UI_ENABLED=false 時隱藏） */
.road-editor-ui[hidden] {
    display: none !important;
}

/* 路面編輯面板（任務一開發用） */
.road-editor-panel {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 15;
    width: min(280px, calc(100% - 20px));
    padding: 12px 14px;
    background: rgba(20, 24, 32, 0.92);
    border: 2px solid rgba(255, 200, 0, 0.45);
    border-radius: 12px;
    color: #eee;
    font-size: 0.85rem;
    line-height: 1.45;
    pointer-events: auto;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
}

.road-editor-panel[hidden] {
    display: none !important;
}

.road-editor-title {
    margin: 0 0 8px;
    font-size: 1rem;
    color: #ffcc00;
}

.road-editor-info {
    margin: 0 0 10px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

.road-editor-label {
    display: block;
    margin-bottom: 8px;
}

.road-editor-select {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid #555;
    background: #1a1e28;
    color: #fff;
}

.road-editor-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.road-editor-btn {
    flex: 1 1 auto;
    min-width: 0;
    padding: 6px 10px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #c9a227 0%, #e6b800 100%);
    color: #1a1a1a;
    font-weight: bold;
    font-size: 0.8rem;
    cursor: pointer;
}

.road-editor-btn--secondary {
    background: #3a4455;
    color: #eee;
}

.road-editor-btn--close {
    width: 100%;
    background: #555;
    color: #fff;
}

.road-editor-btn:hover {
    filter: brightness(1.08);
}

.road-editor-hint {
    margin: 0 0 8px;
    font-size: 0.72rem;
    color: #9aa3b5;
}

.road-editor-toggle-btn--active {
    outline: 2px solid #ffcc00;
}

#canvas-container.road-editor-active {
    cursor: crosshair;
}

#canvas-container.road-editor-active > canvas {
    cursor: crosshair;
}

/* HUD 抬頭顯示器 */
.hud {
    position: absolute; 
    top: 10px; 
    right: 10px; 
    background: rgba(30, 30, 30, 0.85);
    padding: 15px; 
    border-radius: 12px; 
    font-family: 'Courier New', monospace;
    pointer-events: none; 
    color: #ffffff; 
    font-size: 0.95rem; 
    line-height: 1.5;
    user-select: none; 
    min-width: 180px; 
    border: 2px solid rgba(76, 110, 245, 0.3);
    z-index: 10;
    order: 1; /* 確保在 canvas 之前，但會被絕對定位覆蓋 */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

/* Console 面板樣式 */
#console-panel {
    flex: 0 0 150px; 
    width: 100%;
    height: 150px; 
    background: var(--panel-bg);
    border-top: 2px solid var(--accent-color);
    display: flex;
    flex-direction: column;
    z-index: 20;
    transition: transform 0.3s;
    box-sizing: border-box;
    order: 2; 
    flex-shrink: 0; 
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

.console-header {
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-color);
    padding: 8px 15px;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Segoe UI', sans-serif;
    font-weight: bold;
}

#console-content {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-color);
    text-align: left;
    background: rgba(0, 0, 0, 0.1);
    border: none;
}

.log-entry { 
    margin-bottom: 4px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.05); 
    padding-bottom: 2px; 
}

.log-time { 
    color: rgba(255, 255, 255, 0.4); 
    font-size: 0.8em; 
    margin-right: 8px; 
}

/* ==========================================
   主選單與任務選擇畫面樣式
   ========================================== */
.menu-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100vh;  /* 使用視窗高度 */
    z-index: 1000;
    overflow: hidden;
    box-sizing: border-box;
}

/* 六邊形網格背景 */
.menu-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1c23 0%, #242731 100%);
    opacity: 1;
    z-index: -2;
}

.menu-screen::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(100, 150, 255, 0.05) 2px, rgba(100, 150, 255, 0.05) 4px),
        repeating-linear-gradient(60deg, transparent, transparent 2px, rgba(100, 150, 255, 0.05) 2px, rgba(100, 150, 255, 0.05) 4px),
        repeating-linear-gradient(120deg, transparent, transparent 2px, rgba(100, 150, 255, 0.05) 2px, rgba(100, 150, 255, 0.05) 4px);
    background-size: 100px 100px;
    opacity: 0.3;
    z-index: -1;
}

/* 主選單：模式優先 hub（方向 B） */
#main-menu.menu-screen--hub {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

.hub-header {
    flex: 0 0 auto;
    min-height: 56px;
    max-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1rem, 4vw, 3rem);
    box-sizing: border-box;
    background: var(--chrome-bar-bg);
    border-bottom: var(--chrome-bar-border);
    backdrop-filter: blur(10px);
    z-index: 2;
}

.hub-header__brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.hub-header__title {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.02em;
}

.hub-header__tagline {
    font-size: 0.75rem;
    font-weight: 500;
    color: #5eead4;
    letter-spacing: 0.06em;
    text-transform: none;
}

.hub-header__nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
}

.hub-header__link {
    color: #e2e8f0;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    padding: 0.5rem 0.25rem;
    border-radius: 6px;
}

.hub-header__link:hover {
    color: #ffffff;
    text-decoration: underline;
}

.hub-main {
    flex: 1 1 auto;
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 4vw, 3rem) 2rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    z-index: 1;
}

.hub-main__h1 {
    margin: 0;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

.hub-main__lead {
    margin: 0.75rem 0 0;
    max-width: 36rem;
    font-size: 1.0625rem;
    line-height: 1.6;
    color: #cbd5e1;
}

.hub-preview-wrap {
    width: 100%;
    max-width: 720px;
    margin-top: 1.5rem;
}

.hub-mode-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1rem, 3vw, 1.75rem);
    width: 100%;
    max-width: 1100px;
    margin-top: 3rem;
    box-sizing: border-box;
}

.mode-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    padding: 1.5rem 1.5rem 1.25rem;
    background: linear-gradient(145deg, rgba(36, 39, 49, 0.95) 0%, rgba(30, 33, 42, 0.98) 100%);
    border: 1px solid rgba(var(--rgb-brand), 0.35);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.mode-card__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.03em;
}

.mode-card__list {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
    color: #cbd5e1;
    font-size: 0.9375rem;
    line-height: 1.55;
    flex: 1 1 auto;
}

.mode-card__decor {
    display: flex;
    justify-content: flex-end;
    margin: 0.75rem 0 1rem;
    min-height: 2.5rem;
}

.mode-card__decor-icon {
    font-size: 2rem;
    line-height: 1;
    opacity: 0.85;
}

.mode-card__cta {
    width: 100%;
    margin-top: auto;
    min-height: 48px;
    text-transform: none;
    letter-spacing: 0.03em;
}

.hub-onboarding {
    margin: 2rem 0 0;
    font-size: 0.9375rem;
    color: #94a3b8;
}

.hub-onboarding__link {
    color: #7dd3fc;
    font-weight: 600;
    text-decoration: none;
    margin-left: 0.25rem;
}

.hub-onboarding__link:hover {
    text-decoration: underline;
    color: #bae6fd;
}

@media (max-width: 1023px) {
    .hub-mode-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .hub-mode-cards {
        grid-template-columns: 1fr;
    }

    .hub-header__nav {
        gap: 0.75rem;
    }

    .hub-main__lead {
        font-size: 1rem;
    }
}

.menu-btn {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: 20px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-cta);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-btn:hover {
    background: var(--gradient-primary-reverse);
    transform: translateY(-3px);
    box-shadow: var(--shadow-cta-hover);
}

.menu-btn:hover::before {
    opacity: 1;
}

.menu-btn:active {
    transform: translateY(-1px);
}

.menu-preview {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    border: 2px solid rgba(var(--rgb-brand), 0.45);
    background: #000;
    position: relative;
}

#main-menu .hub-menu-preview {
    height: 200px;
    min-height: 180px;
    max-height: 260px;
    max-width: 720px;
    margin: 0 auto;
}

/* 3D 预览区域的背景网格（与主菜单一致） */
.menu-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(100, 150, 255, 0.1) 2px, rgba(100, 150, 255, 0.1) 4px),
        repeating-linear-gradient(60deg, transparent, transparent 2px, rgba(100, 150, 255, 0.1) 2px, rgba(100, 150, 255, 0.1) 4px),
        repeating-linear-gradient(120deg, transparent, transparent 2px, rgba(100, 150, 255, 0.1) 2px, rgba(100, 150, 255, 0.1) 4px);
    background-size: 100px 100px;
    opacity: 0.2;
    z-index: 0;
    pointer-events: none;
}

.menu-preview canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* 任務選擇畫面樣式（與 hub 頂列一致） */
#mission-select-menu.menu-screen--mission,
#practice-select-menu.menu-screen--mission {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    box-sizing: border-box;
    height: 100vh;
    max-height: 100vh;
}

.hub-header--mission {
    flex: 0 0 auto;
    z-index: 2;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.25rem);
}

.hub-header--mission .hub-header__brand {
    justify-self: center;
    text-align: center;
}

.hub-header__spacer {
    width: 48px;
    flex-shrink: 0;
}

.back-btn--header {
    position: static;
    width: 48px;
    height: 48px;
    min-width: 48px;
    font-size: 1.5rem;
    flex-shrink: 0;
    margin: 0;
}

.mission-select-main {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 0 clamp(1rem, 4vw, 2.5rem) 1.5rem;
    box-sizing: border-box;
    overflow: hidden;
}

.back-btn {
    background: rgba(var(--rgb-brand), 0.2);
    border: 2px solid var(--color-brand);
    color: var(--color-brand);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-brand-glow);
    font-weight: bold;
}

.back-btn:hover {
    background-color: var(--color-brand);
    color: white;
    box-shadow: var(--shadow-brand-glow-strong);
    transform: scale(1.1);
}

.mission-select-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.mission-select-header {
    text-align: center;
    margin-bottom: 1.5rem;
    margin-top: 0.5rem;
    flex: 0 0 auto;
}

.mission-select-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-transform: none;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.mission-select-subtitle {
    margin: 0.5rem 0 0;
    font-size: 1rem;
    color: #cbd5e1;
    line-height: 1.55;
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
}

.mission-select-body {
    display: flex;
    flex: 1 1 auto;
    gap: clamp(1rem, 3vw, 2.5rem);
    padding: 0 clamp(0.25rem, 2vw, 1.5rem);
    min-height: 0;
    overflow: hidden;
    height: auto;
    max-height: none;
    box-sizing: border-box;
    align-items: flex-start;
}

.mission-list {
    width: 35%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 20px;
    flex-shrink: 0;  /* 不允許縮小 */
    overflow: visible;  /* 允許內容可見 */
}

.mission-btn {
    background: var(--gradient-mission);
    border: none;
    color: white;
    padding: 22px 28px;
    font-size: 1.15rem;
    font-weight: 700;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-cta);
    text-transform: none;
    letter-spacing: 0.03em;
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: 48px;
}

.mission-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mission-btn:hover {
    background: var(--gradient-primary-reverse);
    transform: translateY(-3px);
    box-shadow: var(--shadow-cta-hover);
}

.mission-btn:hover::before {
    opacity: 1;
}

.mission-btn--active {
    outline: 2px solid rgba(255, 255, 255, 0.55);
    outline-offset: 2px;
    box-shadow: var(--shadow-cta-hover), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.mission-preview {
    position: relative;
    width: 60%;
    flex: 1 1 58%;
    min-height: 260px;
    height: auto;
    max-height: min(72vh, calc(100vh - 220px));
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(var(--rgb-brand), 0.45);
    background: #0a0f18;
    box-sizing: border-box;
    flex-shrink: 1;
    align-self: stretch;
}

.mission-preview__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.mission-preview__img--active {
    opacity: 1;
}

.mission-preview__caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(180deg, transparent 0%, rgba(8, 12, 20, 0.82) 35%, rgba(8, 12, 20, 0.95) 100%);
    letter-spacing: 0.02em;
}

.mission-select-footer {
    position: static;
    flex: 0 0 auto;
    margin-top: auto;
    padding-top: 0.75rem;
    pointer-events: none;
    text-align: center;
}

.footer-logo--mission .footer-logo__muted {
    font-size: 0.75rem;
    color: #64748b;
    margin: 0;
    letter-spacing: 0.04em;
}

.footer-logo {
    white-space: nowrap;
    overflow: visible;
    width: 100%;
    max-width: none;
}

.footer-logo h2 {
    font-size: 2rem;
    font-weight: 900;
    color: #ffffff;
    margin: 0;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-family: 'Arial Black', sans-serif;
    width: 100%;
    overflow: visible;
    text-overflow: clip;
}

.footer-logo p {
    font-size: 0.9rem;
    color: #00adb5;
    margin: 5px 0 0;
    font-weight: 400;
    letter-spacing: 2px;
    white-space: nowrap;
    overflow: visible;
    text-transform: uppercase;
    width: 100%;
    text-overflow: clip;
}

/* 主選單／任務選擇：<768px 單欄 + 可捲動（僅 CSS，不影響 Three／Blockly） */
@media (max-width: 767px) {
    #main-menu.menu-screen,
    #mission-select-menu.menu-screen,
    #practice-select-menu.menu-screen {
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }

    .hub-main {
        padding: 1.25rem 1rem 1.5rem;
    }

    .hub-mode-cards {
        margin-top: 2rem;
    }

    .menu-btn {
        padding: 16px 22px;
        font-size: 1rem;
    }

    #main-menu .hub-menu-preview {
        min-height: 160px;
        max-height: min(36vh, 280px);
        height: auto;
    }

    #mission-select-menu,
    #practice-select-menu {
        padding: 16px;
    }

    .back-btn--header {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1.35rem;
    }

    .hub-header__spacer {
        width: 44px;
    }

    .mission-select-content {
        height: auto;
        min-height: calc(100vh - 32px);
        overflow: visible;
        padding-bottom: 24px;
    }

    .mission-select-header {
        margin-top: 0.5rem;
        margin-bottom: 20px;
    }

    .mission-select-title {
        font-size: clamp(1.25rem, 6vw, 2rem);
    }

    .mission-select-subtitle {
        font-size: 0.9375rem;
        padding: 0 0.5rem;
    }

    .mission-select-body {
        flex-direction: column;
        height: auto;
        max-height: none;
        min-height: 0;
        padding: 0 8px;
        gap: 20px;
        overflow: visible;
        align-items: stretch;
    }

    .mission-list {
        width: 100%;
        padding-top: 0;
        order: -1;
    }

    .mission-preview {
        width: 100%;
        height: auto;
        min-height: 200px;
        max-height: min(48vh, 380px);
        flex-shrink: 1;
        align-self: stretch;
    }

    .mission-select-footer {
        position: relative;
        bottom: auto;
        left: auto;
        right: auto;
        margin-top: 28px;
        text-align: center;
    }

    .footer-logo,
    .footer-logo h2,
    .footer-logo p {
        white-space: normal;
    }
}

/* ==========================================
   CoDrone 連接狀態面板
   ========================================== */
.codrone-status-panel {
    position: fixed;
    top: 60px;
    right: 20px;
    width: 320px;
    background: #f5f5f5;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
}

.codrone-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
}

.codrone-panel-title {
    font-weight: bold;
    font-size: 1.1em;
}

.codrone-panel-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    line-height: 24px;
    border-radius: 4px;
    transition: background 0.2s;
}

.codrone-panel-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.codrone-panel-content {
    padding: 16px;
}

.codrone-info-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.codrone-info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.codrone-info-label {
    color: #666;
}

.codrone-info-value {
    color: #333;
    font-weight: 500;
}

.codrone-status-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.codrone-status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.codrone-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e0e0e0;
    display: inline-block;
}

.codrone-status-dot.connected {
    background: #4caf50;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.5);
}

.codrone-status-dot.connecting {
    background: #ff9800;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.codrone-control-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.codrone-control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.codrone-control-row label {
    color: #666;
    font-size: 0.9em;
}

.codrone-input {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

.codrone-color-picker {
    display: flex;
    align-items: center;
    gap: 8px;
}

.codrone-color-input {
    width: 40px;
    height: 30px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
}

.codrone-color-preview {
    width: 30px;
    height: 30px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.codrone-trimming-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.codrone-trimming-title {
    font-weight: bold;
    margin-bottom: 12px;
    color: #333;
}

.codrone-trimming-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.codrone-trimming-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.codrone-trimming-item label {
    color: #666;
    font-size: 0.9em;
}

.codrone-trimming-slider-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.codrone-trim-slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #e0e0e0;
    outline: none; /* 預設關閉軌道粗框；鍵盤焦點由全域 input:focus-visible 與下列規則補上 */
    -webkit-appearance: none;
}

.codrone-trim-slider:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

.codrone-trim-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-brand);
    cursor: pointer;
}

.codrone-trim-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-brand);
    cursor: pointer;
    border: none;
}

.codrone-trim-value {
    min-width: 40px;
    text-align: center;
    font-weight: 500;
    color: #333;
}

.codrone-trim-btn {
    width: 28px;
    height: 28px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    color: var(--color-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.codrone-trim-btn:hover {
    background: var(--color-brand);
    color: white;
    border-color: var(--color-brand);
}

.codrone-footer-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.codrone-disconnect-btn {
    padding: 8px 16px;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.codrone-disconnect-btn:hover {
    background: #c0392b;
}

.codrone-battery {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #333;
    font-weight: 500;
}

.codrone-battery-icon {
    font-size: 1.2em;
}

/* 遊戲界面返回按鈕 */
.back-btn-game {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    font-size: 1rem;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 15px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.back-btn-game:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateX(-3px);
}

/* ==========================================
   課堂／無障礙：非阻斷訊息橫幅與輕量確認框
   ========================================== */
.app-message-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999900;
    padding: 10px 16px;
    box-sizing: border-box;
    font-size: 0.95rem;
    line-height: 1.45;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    border-bottom: 2px solid rgba(255, 255, 255, 0.12);
}
.app-message-banner[hidden] {
    display: none !important;
}
.app-message-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    justify-content: space-between;
}
.app-message-copy {
    flex: 1;
    min-width: 0;
}
.app-message-title {
    margin: 0 0 4px;
    font-weight: 700;
}
.app-message-body {
    margin: 0;
    opacity: 0.95;
}
.app-message-next {
    margin: 8px 0 0;
    font-size: 0.9em;
    opacity: 0.9;
    font-weight: 600;
}
.app-message--info {
    background: linear-gradient(135deg, #1e3a5f 0%, #243b55 100%);
    color: #e8f4fc;
}
.app-message--warn {
    background: linear-gradient(135deg, #5c4a1a 0%, #6b5420 100%);
    color: #fff8e6;
}
.app-message--error {
    background: linear-gradient(135deg, #4a1e1e 0%, #5c2525 100%);
    color: #ffe8e8;
}
.app-message-close {
    flex-shrink: 0;
    padding: 6px 14px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    background: rgba(0, 0, 0, 0.25);
    color: inherit;
    font-weight: 600;
    cursor: pointer;
}
.app-message-close:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: 2px;
}

.app-confirm-overlay {
    position: fixed;
    inset: 0;
    z-index: 999990;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
}
.app-confirm-overlay[hidden] {
    display: none !important;
}
.app-confirm-card {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
    border-radius: 16px;
    padding: 22px 24px;
    border: 2px solid var(--accent-color);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
    color: #f0f0f0;
}
.app-confirm-heading {
    margin: 0 0 12px;
    font-size: 1.15rem;
    font-weight: 800;
}
.app-confirm-text {
    margin: 0 0 20px;
    line-height: 1.5;
    font-size: 0.98rem;
}
.app-confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
}
.app-confirm-btn {
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}
.app-confirm-btn--secondary {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.app-confirm-btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-cta);
}
.app-confirm-btn:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: 2px;
}

.competition-password-label {
    display: block;
    margin: 0.75rem 0 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #cbd5e1;
}

.competition-password-input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    border: 1px solid rgba(var(--rgb-brand), 0.45);
    background: rgba(15, 18, 24, 0.95);
    color: #f8fafc;
    font-size: 1rem;
}

.competition-password-input:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: 2px;
}

.competition-password-error {
    margin: 0.5rem 0 0;
    font-size: 0.875rem;
    color: #fca5a5;
}

.menu-screen--practice .mission-btn--practice.mission-btn--active,
.menu-screen--practice .mission-btn--practice:focus-visible {
    outline: 2px solid rgba(125, 211, 252, 0.85);
    outline-offset: 2px;
    box-shadow: var(--shadow-cta-hover), 0 0 18px rgba(125, 211, 252, 0.25);
}

.menu-screen--practice .mission-select-title {
    color: #7dd3fc;
}

.menu-screen--practice .mission-select-subtitle {
    max-width: 36rem;
}

.menu-screen--practice .mission-select-body {
    align-items: stretch;
    flex: 1 1 auto;
}

.menu-screen--practice .mission-list {
    width: min(100%, 420px);
    flex: 1 1 auto;
    justify-content: center;
    padding-top: 0;
}

.menu-screen--practice .mission-preview {
    flex: 1 1 58%;
    min-height: 280px;
}

.menu-screen--practice .mission-btn--practice {
    background: linear-gradient(145deg, rgba(30, 58, 95, 0.95) 0%, rgba(22, 42, 68, 0.98) 100%);
    border: 1px solid rgba(125, 211, 252, 0.35);
}

.menu-screen--practice .mission-btn--practice:hover {
    border-color: rgba(125, 211, 252, 0.55);
}

.control-btn.road-editor-top-btn {
    background: rgba(255, 193, 7, 0.18);
    border: 1px solid rgba(255, 193, 7, 0.55);
    color: #ffe082;
}

.control-btn.road-editor-top-btn.road-editor-toggle-btn--active {
    background: rgba(255, 193, 7, 0.35);
    box-shadow: 0 0 12px rgba(255, 193, 7, 0.35);
}

/* ==========================================
   結算彈窗樣式
   ========================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: none; /* 預設隱藏 */
    justify-content: center;
    align-items: center;
    z-index: 999999; /* 確保在最最最頂層 */
    animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
    display: flex !important;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.result-card {
    background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
    width: 90%;
    max-width: 500px;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--accent-color);
    text-align: center;
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.result-header h2 {
    color: var(--accent-color);
    font-size: 1.8rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.result-icon {
    font-size: 4rem;
    margin: 20px 0;
    filter: drop-shadow(0 0 10px var(--accent-color));
}

.result-table {
    width: 100%;
    margin: 20px 0;
    border-collapse: collapse;
}

.result-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-table td:last-child {
    text-align: right;
    font-weight: bold;
    color: #ff9800;
}

.total-row {
    background: rgba(0, 173, 181, 0.1);
}

.total-row td {
    font-size: 1.4rem;
    color: white !important;
    border-bottom: none !important;
}

#res-total {
    color: #00ff00 !important;
    font-size: 1.8rem;
}

.result-footer {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.result-btn {
    padding: 12px 25px;
    border-radius: 10px;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.btn-retry {
    background: #555;
    color: white;
}

.btn-continue {
    background: var(--accent-color);
    color: white;
}

.result-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* --- 任務簡報（掃讀式版面）--- */
.briefing-card {
    max-width: 520px;
    border-color: #4c6ef5;
    text-align: left;
}

.briefing-body {
    text-align: left;
    color: #e8eaed;
    max-height: min(62vh, 480px);
    overflow-y: auto;
    padding-right: 4px;
}

.brief-lead {
    margin: 0 0 18px;
    font-size: 1.05rem;
    line-height: 1.5;
    color: #fff;
    font-weight: 600;
}

.brief-lead-en {
    display: block;
    margin-top: 6px;
    font-size: 0.82rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.55);
}

.brief-steps {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.brief-step {
    display: grid;
    grid-template-columns: 2.2rem 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.brief-step-icon {
    font-size: 1.35rem;
    text-align: center;
}

.brief-step-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
}

.brief-step-sub {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    text-align: right;
    white-space: nowrap;
}

.brief-section-title {
    margin: 0 0 10px;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #ff9800;
    font-weight: 700;
}

.brief-score-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.brief-score-chip {
    flex: 1 1 calc(33% - 8px);
    min-width: 88px;
    padding: 8px 10px;
    border-radius: 8px;
    background: rgba(0, 173, 181, 0.12);
    border: 1px solid rgba(0, 173, 181, 0.25);
    text-align: center;
}

.brief-score-chip strong {
    display: block;
    font-size: 1rem;
    color: #ff9800;
}

.brief-score-chip span {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.65);
}

.brief-grade-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

.brief-grade {
    padding: 10px 8px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid transparent;
}

.brief-grade-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 2px;
}

.brief-grade-range {
    font-size: 0.75rem;
    opacity: 0.85;
}

.brief-grade--1 {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.22), rgba(255, 152, 0, 0.12));
    border-color: rgba(255, 193, 7, 0.45);
    color: #ffd54f;
}

.brief-grade--2 {
    background: linear-gradient(135deg, rgba(176, 190, 197, 0.2), rgba(144, 164, 174, 0.1));
    border-color: rgba(176, 190, 197, 0.4);
    color: #cfd8dc;
}

.brief-grade--3 {
    background: linear-gradient(135deg, rgba(161, 136, 127, 0.22), rgba(121, 85, 72, 0.12));
    border-color: rgba(161, 136, 127, 0.4);
    color: #bcaaa4;
}

.brief-note {
    margin: 0 0 14px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.45;
}

.brief-submit {
    margin-top: 4px;
    padding-top: 4px;
}

.briefing-submit-bar {
    margin: 0 0 14px;
    padding: 12px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.briefing-submit-bar .brief-submit-link {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-bottom: 0;
    box-sizing: border-box;
}

.brief-submit-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
    padding: 10px 16px;
    border-radius: 8px;
    background: rgba(77, 171, 247, 0.18);
    border: 1px solid rgba(77, 171, 247, 0.45);
    color: #74c0fc;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.brief-submit-link:hover,
.brief-submit-link:focus-visible {
    background: rgba(77, 171, 247, 0.28);
    border-color: rgba(77, 171, 247, 0.7);
    color: #a5d8ff;
    outline: none;
}

.brief-time-table {
    width: 100%;
    margin: 0 0 14px;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.brief-time-table th,
.brief-time-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brief-time-table th {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 600;
}

.brief-time-table td:last-child {
    text-align: right;
    color: #ff9800;
    font-weight: 700;
}

.brief-legend {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.brief-legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 11px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.07);
}

.brief-legend-swatch {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.brief-legend-swatch--fire {
    background: radial-gradient(circle at 50% 72%, #ff6b35 0%, #c44a18 42%, #5a2010 100%);
    box-shadow: 0 0 14px rgba(255, 90, 40, 0.45);
}

.brief-legend-swatch--water {
    background: radial-gradient(circle at 40% 35%, #2a8fd4 0%, #003366 68%);
    border-radius: 50%;
    box-shadow: inset 0 0 0 2px rgba(120, 190, 255, 0.35);
}

.brief-legend-swatch--charge {
    background: linear-gradient(165deg, #d4b84a 0%, #8a7028 100%);
    clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0% 50%);
    border-radius: 0;
    box-shadow: 0 0 10px rgba(201, 168, 50, 0.35);
}

.brief-legend-swatch--start {
    background: linear-gradient(145deg, #74c0fc, #228be6);
    box-shadow: 0 0 10px rgba(77, 171, 247, 0.35);
}

.brief-legend-swatch--end {
    background: linear-gradient(145deg, #69db7c, #2f9e44);
    box-shadow: 0 0 10px rgba(81, 207, 102, 0.35);
}

.brief-legend-swatch--beacon {
    background: radial-gradient(circle at 35% 30%, #66e8f0 0%, #00adb5 55%, #006b72 100%);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 173, 181, 0.55);
}

.brief-legend-swatch--forest {
    background: linear-gradient(145deg, #4a6b3a, #2a3d22);
    box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.25);
}

.brief-legend-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.82rem;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.78);
}

.brief-legend-copy strong {
    font-size: 0.9rem;
    color: #fff;
}

.brief-details {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 10px;
}

.brief-details summary {
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 600;
    color: #4c6ef5;
    list-style: none;
    padding: 6px 0;
}

.brief-details summary::-webkit-details-marker {
    display: none;
}

.brief-details summary::before {
    content: '▸ ';
    display: inline-block;
    transition: transform 0.2s;
}

.brief-details[open] summary::before {
    transform: rotate(90deg);
}

.brief-tips {
    margin: 10px 0 0;
    padding-left: 18px;
    font-size: 0.84rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.78);
}

.brief-tips li {
    margin-bottom: 6px;
}

/* --- 成績單等級 --- */
.result-grade-block {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.result-grade-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.result-grade-badge.grade-1 {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    color: #1a1200;
}

.result-grade-badge.grade-2 {
    background: linear-gradient(135deg, #b0bec5, #78909c);
    color: #1a1a1a;
}

.result-grade-badge.grade-3 {
    background: linear-gradient(135deg, #a1887f, #8d6e63);
    color: #fff;
}

.result-grade-badge.grade-0 {
    background: #444;
    color: #ccc;
}

.result-grade-desc {
    margin: 8px 0 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.45;
}

/* file:// 開啟時：阻擋操作並說明需使用 http://localhost */
/* 勿在根選擇器寫 display:flex，否則會覆蓋 HTML hidden 的 display:none，http:// 開啟時仍會見到阻擋層 */
.file-origin-blocker {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    padding: 24px;
    box-sizing: border-box;
    background: rgba(15, 17, 22, 0.92);
    backdrop-filter: blur(6px);
}

.file-origin-blocker:not([hidden]) {
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-origin-card {
    max-width: 520px;
    background: var(--panel-bg, #242731);
    color: var(--text-color, #f0f0f0);
    border: 1px solid rgba(76, 110, 245, 0.45);
    border-radius: 16px;
    padding: 28px 32px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.file-origin-title {
    margin: 0 0 16px;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.35;
    color: #e7ebf5;
}

.file-origin-lead,
.file-origin-steps,
.file-origin-url,
.file-origin-hint {
    margin: 0 0 12px;
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--secondary-text, #adb5bd);
}

.file-origin-lead code,
.file-origin-hint code {
    font-size: 0.88em;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.35);
    color: #c5d4ff;
}

.file-origin-code {
    margin: 0 0 16px;
    padding: 14px 16px;
    border-radius: 10px;
    background: #12141a;
    color: #a8f5c0;
    font-size: 0.88rem;
    line-height: 1.45;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.file-origin-url strong {
    color: #7ce0ff;
}