/* --- Modern Finance App System Variables --- */
:root {
    /* 核心背景與卡片 (Finance App 特有的乾淨分層) */
    --bg-color: #F4F6F9;
    --card-bg: #FFFFFF;
    --card-border: transparent;
    
    /* 金融風格標誌性漸變色 (深藍至紫) */
    --primary-gradient: linear-gradient(135deg, #3A40FF 0%, #8A32FF 100%);
    
    /* 品牌與互動色 (青藍色與亮粉紅) */
    --accent-color: #00D2FF; 
    --accent-hover: #00B4DB;
    --danger-color: #FF4B72;
    --star-color: #FFC107;
    
    /* 文字顏色 */
    --text-primary: #1A1A2E;
    --text-secondary: #8D93A5;
    
    /* 輸入框風格 (大圓角、淺灰底) */
    --input-bg: #F0F3F8; 
    --input-border: transparent;
    
    /* 彌散陰影 (金融 App 必備的高級懸浮感) */
    --blur: saturate(180%) blur(20px);
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 16px 32px rgba(58, 64, 255, 0.08);
    --shadow-modal: 0 24px 48px rgba(0, 0, 0, 0.12);
    
    /* 超大圓角 */
    --radius-sm: 16px;
    --radius-md: 24px;
    --radius-lg: 32px;
    
    /* 動態變數 (可透過 Settings 覆寫) */
    --font-size-base: 14px; 
    --layout-width: 900px;
    --preview-lines: 1; 
    --textarea-font-size: 14px;
    --group-title-size: 16px;
    --prompt-title-size: 15px;
    --tool-size: 32px;
}

/* 深色模式設定 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0F0F17;
        --card-bg: #1A1A27;
        --accent-color: #00E5FF;
        --accent-hover: #00CFFF;
        --text-primary: #FFFFFF;
        --text-secondary: #7A809C;
        --input-bg: #252535; 
        --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 16px 32px rgba(0, 0, 0, 0.4);
        --shadow-modal: 0 24px 48px rgba(0, 0, 0, 0.5);
    }
}

/* 強制淺色模式 (Override) */
body.theme-light {
    --bg-color: #F4F6F9;
    --card-bg: #FFFFFF;
    --accent-color: #00D2FF;
    --text-primary: #1A1A2E;
    --text-secondary: #8D93A5;
    --input-bg: #F0F3F8;
}

/* 強制深色模式 (Override) */
body.theme-dark {
    --bg-color: #0F0F17;
    --card-bg: #1A1A27;
    --accent-color: #00E5FF;
    --text-primary: #FFFFFF;
    --text-secondary: #7A809C;
    --input-bg: #252535;
}

/* 鎖定手機版瀏覽器下拉重整 (Pull-to-refresh) 功能 */
html, body {
    overscroll-behavior-y: none;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; }

/* 修正：將 min-height 改為 100dvh，確保包含手機網址列計算精準 */
body { background-color: var(--bg-color); color: var(--text-primary); font-size: var(--font-size-base); padding-bottom: 120px; min-height: 100dvh; transition: background-color 0.4s ease, color 0.4s ease; }

/* --- Container --- */
/* 修正：把 margin 換成 padding，並加入 env(safe-area-inset-top) 避開手機瀏海/頂部狀態列 */
.container { max-width: var(--layout-width); margin: 0 auto; padding: max(24px, env(safe-area-inset-top)) 20px 20px 20px; transition: max-width 0.3s ease; }

.tab-content { display: none; animation: slideUp 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); }
.tab-content.active { display: block; }

@keyframes slideUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.view-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; width: 100%; min-height: 44px; }
.view-title { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; text-align: center; flex: 1; color: var(--text-primary); }
.header-left, .header-right { width: 130px; flex-shrink: 0; display: flex; align-items: center; justify-content: flex-end; }
.header-left { justify-content: flex-start; }

/* --- Global Buttons --- */
.btn { 
    background: var(--accent-color); 
    color: #000000; 
    border: none; 
    padding: 14px 28px; 
    border-radius: 980px; 
    font-size: 15px; 
    font-weight: 800; 
    cursor: pointer; 
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1); 
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; 
    box-shadow: 0 8px 20px rgba(0, 210, 255, 0.3); 
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0, 210, 255, 0.4); }
.btn:active { transform: scale(0.95); box-shadow: 0 4px 10px rgba(0, 210, 255, 0.2); }

.btn-secondary { background: var(--input-bg); color: var(--text-primary); box-shadow: none; }
.btn-secondary:hover { background: #E4E9F2; color: var(--text-primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
body.theme-dark .btn-secondary:hover { background: #353545; }

/* 高可視性外框按鈕 */
.btn-outline {
    background: transparent;
    color: #007AFF; 
    border: 2px solid #007AFF;
    padding: 12px 24px;
    border-radius: 980px;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    white-space: nowrap;
}
body.theme-dark .btn-outline { color: var(--accent-color); border-color: var(--accent-color); }
.btn-outline:hover { background: #007AFF; color: #FFFFFF !important; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 122, 255, 0.3); }
body.theme-dark .btn-outline:hover { background: var(--accent-color); color: #000000 !important; box-shadow: 0 8px 20px rgba(0, 210, 255, 0.3); }

/* 專屬：頂部高級操作按鈕 (Starred) - 改為圓形 Icon 按鈕以節省空間 */
.btn-header {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid rgba(141, 147, 165, 0.2);
    width: 44px; 
    height: 44px;
    padding: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: var(--shadow-sm);
    display: inline-flex; align-items: center; justify-content: center;
}
.btn-header:hover {
    background: var(--input-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
body.theme-dark .btn-header:hover { box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4); }
.btn-header .icon { font-size: 20px; line-height: 1; margin: 0; }

/* 專屬：危險操作按鈕 (刪除所有資料) */
.btn-danger { background: rgba(255, 75, 114, 0.1); color: var(--danger-color); box-shadow: none; font-weight: 800; border: none; padding: 14px 28px; border-radius: 980px; font-size: 15px; cursor: pointer; transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1); display: inline-flex; align-items: center; justify-content: center; white-space: nowrap;}
.btn-danger:hover { background: var(--danger-color); color: white; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255, 75, 114, 0.3); }

.btn-star, .btn-pin { background: transparent; font-size: 20px; padding: 4px; border: none; cursor: pointer; transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.2s; box-shadow: none; }
.btn-star { color: var(--text-secondary); }
.btn-star.starred { color: var(--star-color); }
.btn-star:hover, .btn-pin:hover { transform: scale(1.25); }

.btn-pin { color: var(--text-secondary); font-size: 18px; }
.btn-pin.pinned { color: var(--danger-color); transform: rotate(-45deg); }
.btn-pin.pinned:hover { transform: scale(1.25) rotate(-45deg); }

.icon-btn { width: var(--tool-size); height: var(--tool-size); padding: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-size: calc(var(--tool-size) * 0.45); flex-shrink: 0; line-height: 1; transition: all 0.2s; background: var(--input-bg); box-shadow: none; }
.icon-btn:hover { background: var(--accent-color); color: #000; box-shadow: 0 4px 12px rgba(0, 210, 255, 0.3); }

/* --- Color Picker Wrapper --- */
.color-picker-wrapper { position: relative; overflow: hidden; cursor: pointer; }
.color-picker-wrapper input[type="color"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }

/* --- Search Bar --- */
.search-container { margin-bottom: 30px; }
.search-input { width: 100%; background: var(--card-bg); border: none; border-radius: 980px; padding: 16px 24px 16px 48px; font-size: 15px; font-weight: 600; color: var(--text-primary); outline: none; transition: all 0.3s ease; box-shadow: var(--shadow-sm); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%238D93A5' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: 20px center; }
.search-input:focus { box-shadow: 0 8px 24px rgba(58, 64, 255, 0.15); transform: translateY(-2px); }

/* --- Search Highlight --- */
.search-highlight { background-color: var(--accent-color); color: #000; padding: 0 4px; border-radius: 6px; font-weight: 800; box-shadow: 0 2px 4px rgba(0, 210, 255, 0.3); }
body.theme-dark .search-highlight { color: #000; }

/* --- D&D Cues --- */
.apple-sortable-ghost { opacity: 0.3; background-color: var(--card-bg) !important; border: 2px dashed var(--accent-color) !important; border-radius: var(--radius-lg); transform: scale(0.95); }
.apple-sortable-drag { cursor: grabbing !important; box-shadow: var(--shadow-modal) !important; transform: scale(1.05); z-index: 1000; }
@keyframes highlightFlash { 0% { box-shadow: 0 0 0 4px var(--accent-color); transform: scale(1.02); } 100% { box-shadow: 0 0 0 0 transparent; transform: scale(1); } }
.highlight-flash { animation: highlightFlash 1.5s ease-out; z-index: 10; border-radius: var(--radius-lg); }

/* --- Pinned Container --- */
#pinnedContainer:not(:empty), #commonPinnedContainer:not(:empty) { padding: 24px 20px; background: var(--primary-gradient); border: none; border-radius: var(--radius-lg); margin-bottom: 30px; box-shadow: var(--shadow-md); }
.pinned-header { font-size: 15px; font-weight: 800; color: #FFFFFF; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; padding: 0 8px; letter-spacing: 0.5px; }

/* --- Group (Project/Prompt) Card --- */
.group-card { background: var(--card-bg); border: none; border-radius: var(--radius-lg); margin-bottom: 30px; box-shadow: var(--shadow-sm); overflow: hidden; transition: all 0.3s ease; position: relative; }
.group-card::before { content: ''; position: absolute; left: 0; top: 20px; bottom: 20px; width: 6px; background: var(--group-color, var(--accent-color)); border-radius: 0 6px 6px 0; }
.group-header { padding: 24px 24px 24px 32px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; user-select: none; background: transparent; flex-wrap: nowrap; gap: 12px; }
.group-title-wrapper { display: flex; align-items: center; gap: 14px; flex: 1; min-width: 0; }
.group-title { font-size: var(--group-title-size); font-weight: 800; letter-spacing: -0.3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-primary); }
.prompt-count { background: var(--input-bg); color: var(--text-primary); font-size: 14px; font-weight: 800; padding: 4px 14px; border-radius: 980px; white-space: nowrap; }
.toggle-icon { transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); color: var(--text-secondary); font-size: 14px; }
.group-card.collapsed .toggle-icon { transform: rotate(-90deg); }
.group-card.collapsed .group-content, .group-card.collapsed .group-footer-more { display: none; }
.group-content { padding: 0 24px 24px 32px; display: flex; flex-direction: column; gap: 16px; min-height: 40px; }
.group-footer-more { text-align: center; padding: 0 20px 24px 20px; }

/* --- Prompt (Task) Card --- */
.prompt-card { background: var(--input-bg); border: none; border-radius: var(--radius-md); padding: 20px; cursor: grab; transition: all 0.3s ease; position: relative; overflow: hidden; }
#pinnedContainer .prompt-card, #commonPinnedContainer .prompt-card { background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(10px); color: #FFF; }
#pinnedContainer .prompt-title, #pinnedContainer .prompt-preview, #pinnedContainer .prompt-footer-meta,
#commonPinnedContainer .prompt-title, #commonPinnedContainer .prompt-preview, #commonPinnedContainer .prompt-footer-meta { color: #FFF; }
#pinnedContainer .prompt-tag, #pinnedContainer .linked-badge,
#commonPinnedContainer .prompt-tag, #commonPinnedContainer .linked-badge { background: rgba(255,255,255,0.2); color: #FFF; }

.prompt-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--prompt-color, var(--accent-color)); opacity: 0.9; }
.prompt-card:active { cursor: grabbing; transform: scale(0.98); }
.prompt-card:hover { box-shadow: var(--shadow-sm); background: var(--card-bg); transform: translateY(-2px); }
#pinnedContainer .prompt-card:hover, #commonPinnedContainer .prompt-card:hover { background: rgba(255, 255, 255, 0.25); }

/* 修改重點：加入 flex-wrap 解決工具列展開擠壓標題的問題 */
.prompt-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
/* 給予 title-container 一個合理的基礎寬度，迫使空間不足時讓 actions 折行 */
.prompt-title-container { flex: 1 1 200px; min-width: 0; cursor: pointer; user-select: none; }
.prompt-title { font-size: var(--prompt-title-size); font-weight: 800; letter-spacing: -0.2px; word-break: break-all; margin-bottom: 10px; }

/* --- Tags & Badges --- */
.tags-container { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.prompt-tag { font-size: 12px; font-weight: 700; background: rgba(0, 210, 255, 0.12); color: #0093B2; padding: 6px 14px; border-radius: 980px; cursor: pointer; transition: all 0.3s; white-space: nowrap; }
body.theme-dark .prompt-tag { color: var(--accent-color); }
.prompt-tag:hover { background: var(--accent-color); color: #000; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0, 210, 255, 0.2); }

/* 關聯專案標籤 (Linked Badges) */
.linked-badge { font-size: 11px; font-weight: 700; background: var(--card-bg); border: 1px solid rgba(141, 147, 165, 0.3); color: var(--text-secondary); padding: 4px 10px; border-radius: 8px; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; cursor: pointer; transition: all 0.2s;}
.linked-badge:hover { color: var(--text-primary); border-color: var(--text-secondary); }

/* --- Preview & Text --- */
.prompt-preview { font-size: 14px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: var(--preview-lines); -webkit-box-orient: vertical; overflow: hidden; word-break: break-all; line-height: 1.6; font-weight: 500; }

/* 展開區域隱藏 */
.prompt-expanded-content { display: none; margin-top: 16px; }
.prompt-card.expanded .prompt-expanded-content { display: block; animation: slideUp 0.3s ease; }
.prompt-card.expanded .prompt-preview { display: none; }

/* --- 修改目標 (Task Goal) 樣式 --- */
.prompt-target-box { background: rgba(0, 210, 255, 0.08); border-left: 4px solid var(--accent-color); padding: 14px 18px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; line-height: 1.6; white-space: pre-wrap; word-break: break-all; color: var(--text-primary); }
.prompt-target-box .target-label { font-weight: 800; color: var(--accent-hover); margin-bottom: 6px; font-size: 13px; display: flex; align-items: center; gap: 6px; }

/* Prompt 本體文字 */
.prompt-full-text { padding: 16px 20px; background: var(--card-bg); border-radius: var(--radius-sm); font-family: SFMono-Regular, Menlo, Monaco, monospace; font-size: 14px; white-space: pre-wrap; word-break: break-all; line-height: 1.8; cursor: pointer; border: none; transition: background 0.2s; max-height: 35vh; overflow-y: auto; user-select: none; box-shadow: inset 0 2px 10px rgba(0,0,0,0.02); }
#pinnedContainer .prompt-full-text, #commonPinnedContainer .prompt-full-text { background: rgba(0,0,0,0.2); box-shadow: none; }

/* --- 檔案分拆管理 (Code Files Tabs) --- */
.file-section { position: relative; margin-top: 16px; border-radius: 12px; transition: all 0.3s; padding: 8px; }
.file-section.drag-over { background: rgba(0, 210, 255, 0.05); outline: 2px dashed var(--accent-color); outline-offset: -2px; }
.file-section.drag-over::after { content: '📥 放置多個檔案以自動上傳'; position: absolute; inset: 0; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; color: var(--accent-color); border-radius: 12px; z-index: 10; pointer-events: none; }
body.theme-dark .file-section.drag-over::after { background: rgba(26, 26, 39, 0.85); }

.file-tabs-header { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 4px; scrollbar-width: thin; align-items: center; }
.file-tabs-header::-webkit-scrollbar { height: 4px; }
.file-tabs-header::-webkit-scrollbar-thumb { background: var(--text-secondary); border-radius: 4px; }

.file-tab-btn { background: var(--card-bg); border: 1px solid rgba(141, 147, 165, 0.2); padding: 8px 16px; border-radius: 12px; font-size: 13px; font-weight: 700; cursor: pointer; white-space: nowrap; color: var(--text-secondary); transition: all 0.2s; display: flex; align-items: center; gap: 6px; }
.file-tab-btn:hover { background: var(--input-bg); color: var(--text-primary); border-color: var(--text-secondary); }
.file-tab-btn.active { background: var(--accent-color); color: #000; border-color: var(--accent-color); box-shadow: 0 4px 10px rgba(0, 210, 255, 0.2); }

.add-file-btn { background: transparent; border: 1px dashed var(--text-secondary); color: var(--text-secondary); padding: 8px 16px; border-radius: 12px; font-size: 13px; font-weight: 700; cursor: pointer; transition: all 0.2s; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
.add-file-btn:hover { border-color: var(--accent-color); color: var(--accent-color); background: rgba(0, 210, 255, 0.05); }

/* Code Content Pane */
.file-content-pane { display: none; background: #1E1E2E; border-radius: var(--radius-sm); overflow: hidden; margin-top: 8px; box-shadow: inset 0 2px 10px rgba(0,0,0,0.2); }
.file-content-pane.active { display: block; animation: fadeIn 0.3s ease; }
.file-content-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; background: rgba(0,0,0,0.3); color: #A6ACCD; font-size: 12px; font-family: monospace; font-weight: 600; }
.file-actions { display: flex; gap: 12px; }
.file-action-btn { background: transparent; border: none; color: #A6ACCD; cursor: pointer; font-size: 14px; padding: 2px 4px; transition: color 0.2s; display: flex; align-items: center; gap: 4px; font-family: -apple-system, sans-serif; }
.file-action-btn:hover { color: #FFF; }
.file-content-body { padding: 16px; font-family: SFMono-Regular, Consolas, Menlo, Monaco, monospace; font-size: 13px; color: #D9E0EE; max-height: 400px; overflow-y: auto; white-space: pre-wrap; word-break: break-all; line-height: 1.6; }

.batch-actions { display: flex; justify-content: center; margin-top: 12px; padding: 0 8px; }
.batch-copy-btn { background: var(--card-bg); border: 1px solid var(--accent-color); color: var(--text-primary); font-size: 13px; font-weight: 700; padding: 8px 16px; border-radius: 12px; cursor: pointer; transition: all 0.2s; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 6px; }
.batch-copy-btn:hover { background: var(--accent-color); color: #000; box-shadow: 0 4px 12px rgba(0, 210, 255, 0.2); }

/* 修改重點：加入 flex-wrap，並設定 margin-left: auto 靠右，滿時自動換行 */
.prompt-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; flex-shrink: 0; margin-left: auto; }
.prompt-footer-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 12px; border-top: 1px solid rgba(141, 147, 165, 0.2); font-size: 12px; font-weight: 600; color: var(--text-secondary); }

.extra-tools { display: none; align-items: center; gap: 8px; margin-right: 12px; border-right: 1px solid rgba(141, 147, 165, 0.2); padding-right: 16px; }
.extra-tools.show { display: flex; animation: slideUp 0.3s ease; }

/* --- 選擇性匯出樹狀介面 (Export Tree) --- */
.export-group-card { background: var(--card-bg); border-radius: 12px; padding: 12px 16px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.export-group-header { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 15px; margin-bottom: 10px; cursor: pointer; color: var(--text-primary); }
.export-prompts-list { padding-left: 28px; display: flex; flex-direction: column; gap: 10px; }
.export-prompt-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); cursor: pointer; }
.export-checkbox { width: 18px; height: 18px; accent-color: var(--accent-color); cursor: pointer; flex-shrink: 0; }
.export-group-card.common-export { border: 1px dashed var(--accent-color); background: rgba(0, 210, 255, 0.02); }

/* --- 自訂 Project Selector (Chip 樣式) --- */
#inlineNewGroupContainer { background: transparent !important; border: none !important; padding: 0 !important; margin-bottom: 24px; }
.project-selector { display: flex; flex-wrap: wrap; gap: 10px; padding: 8px 0; }
.project-selector::-webkit-scrollbar { width: 6px; }
.project-selector::-webkit-scrollbar-thumb { background: var(--text-secondary); border-radius: 4px; }

.project-chip { background: var(--card-bg); color: var(--text-secondary); border: 1px solid rgba(141, 147, 165, 0.2); padding: 10px 16px; border-radius: 16px; font-size: 14px; font-weight: 700; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; user-select: none; box-shadow: var(--shadow-sm); }
.project-chip:hover { background: var(--input-bg); color: var(--text-primary); border-color: var(--text-secondary); transform: translateY(-2px); }
.project-chip.active { background: rgba(0, 210, 255, 0.1); color: var(--accent-hover); border-color: var(--accent-color); box-shadow: 0 4px 12px rgba(0, 210, 255, 0.15); }
.project-chip.active-new { background: var(--accent-color); color: #000; border-color: var(--accent-color); box-shadow: 0 4px 12px rgba(0, 210, 255, 0.3); }

/* --- Star Drawer --- */
.drawer-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(12px); z-index: 1500; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; }
.drawer-overlay.active { opacity: 1; pointer-events: auto; }
.star-drawer { position: fixed; top: 0; left: 0; bottom: 0; width: 85%; max-width: 400px; background: var(--card-bg); border-right: none; z-index: 1600; transform: translateX(-100%); transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); padding: max(40px, env(safe-area-inset-top)) 24px 40px; overflow-y: auto; display: flex; flex-direction: column; gap: 24px; box-shadow: var(--shadow-modal); }
.drawer-overlay.active .star-drawer { transform: translateX(0); }

.drawer-title { font-size: 22px; font-weight: 800; color: var(--text-primary); display: flex; justify-content: space-between; align-items: center; letter-spacing: -0.5px; white-space: nowrap; }

.star-item { background: var(--input-bg); border: none; border-radius: var(--radius-md); padding: 20px; display: flex; flex-direction: column; gap: 10px; cursor: grab; transition: all 0.3s ease; }
.star-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); background: var(--card-bg); }
.star-item:active { cursor: grabbing; transform: scale(0.96); }

/* --- Bottom Nav --- */
.bottom-nav { position: fixed; bottom: 0; left: 0; width: 100%; background: var(--card-bg); border-top: none; padding: 12px 10px calc(12px + env(safe-area-inset-bottom)) 10px; display: flex; justify-content: space-around; gap: 10px; z-index: 500; box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05); border-top-left-radius: 30px; border-top-right-radius: 30px; }

.nav-item { flex: 1; max-width: 100px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 10px 0; border-radius: 20px; background: transparent; color: var(--text-secondary); cursor: pointer; transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1); }
.nav-item .nav-icon { font-size: 24px; line-height: 1; transition: transform 0.3s; }
.nav-item .nav-text { font-size: 12px; font-weight: 800; transition: color 0.3s; }
.nav-item:hover { background: var(--input-bg); }
.nav-item.active { background: var(--accent-color); color: #000000; box-shadow: 0 8px 20px rgba(0, 210, 255, 0.3); transform: translateY(-4px); }
.nav-item.active .nav-icon { transform: scale(1.1); }
.nav-item.active .nav-text { color: #000000; }
body.theme-dark .nav-item.active { color: #000; }

/* --- Modals & Inputs --- */
.input-field { background: var(--input-bg); border: none; border-radius: 20px; padding: 18px 20px; font-size: 15px; font-weight: 600; color: var(--text-primary); outline: none; transition: all 0.3s ease; width: 100%; }
.input-field:focus { background-color: var(--card-bg); box-shadow: 0 8px 24px rgba(58, 64, 255, 0.12); transform: translateY(-2px); }

/* 鎖定輸入框樣式 (新增 Cloud Sync 功能使用) */
.input-field:disabled {
    opacity: 0.8;
    cursor: not-allowed;
    background: var(--input-bg);
}

#settingsView hr { display: none; }
#settingsView .form-group { display: flex !important; flex-direction: column !important; align-items: flex-start !important; margin-bottom: 28px !important; gap: 16px !important; padding-bottom: 28px; border-bottom: 1px solid rgba(141, 147, 165, 0.15); }
#settingsView .form-group:last-of-type { border-bottom: none; padding-bottom: 0; }
#settingsView .form-group > div { width: 100%; margin-bottom: 0 !important; }
#settingsView .form-group > div:first-child { display: flex; flex-direction: column; gap: 6px; }

select.input-field { appearance: none; -webkit-appearance: none; padding: 12px 36px 12px 20px !important; font-size: 14px !important; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233A40FF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; cursor: pointer; font-weight: 800; color: var(--text-primary); text-align: left; width: auto !important; display: inline-block; border-radius: 980px !important; box-shadow: 0 4px 12px rgba(0,0,0,0.03); margin-top: 0 !important; }

input[type=range] { -webkit-appearance: none; width: 100%; background: transparent; margin-top: 0 !important; margin-bottom: 0 !important; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; height: 28px; width: 28px; border-radius: 50%; background: #ffffff; cursor: pointer; margin-top: -10px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 8px; cursor: pointer; background: var(--input-bg); border-radius: 980px; }
input[type=range]:focus { outline: none; }

.modal input[type="color"] { -webkit-appearance: none; border: none; width: 44px !important; height: 44px !important; border-radius: 50% !important; cursor: pointer; padding: 0 !important; background-color: transparent; box-shadow: var(--shadow-sm); flex-shrink: 0; transition: transform 0.2s cubic-bezier(0.165, 0.84, 0.44, 1); }
.modal input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.modal input[type="color"]::-webkit-color-swatch { border: 3px solid #FFF; border-radius: 50%; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.modal input[type="color"]::-moz-color-swatch { border: 3px solid #FFF; border-radius: 50%; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.modal input[type="color"]:hover { transform: scale(1.1); }
body.theme-dark .modal input[type="color"]::-webkit-color-swatch { border-color: #252535; }
body.theme-dark .modal input[type="color"]::-moz-color-swatch { border-color: #252535; }

.modal .form-group { margin-bottom: 20px; gap: 10px; display: flex; flex-direction: column; }
.modal .input-field:not(.large-textarea) { padding: 16px 20px; }
.large-textarea { font-size: var(--textarea-font-size); height: 40vh; min-height: 220px; resize: vertical; line-height: 1.8; border-radius: 24px; }

.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15, 15, 23, 0.6); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; padding: 24px; overflow-y: auto; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal { background: var(--card-bg); color: var(--text-primary); border-radius: 32px; width: 100%; max-width: 700px; padding: 40px; box-shadow: var(--shadow-modal); transform: scale(0.9) translateY(30px); transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); margin: auto; border: none; }
.modal-overlay.active .modal { transform: scale(1) translateY(0); }

.modal-title { font-size: 26px; font-weight: 800; margin-bottom: 30px; text-align: center; letter-spacing: -0.5px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 16px; margin-top: 32px; }

/* --- Alert & Confirm Dialogs --- */
.custom-dialog { padding: 0 !important; max-width: 340px !important; border-radius: 28px !important; text-align: center; overflow: hidden; margin: auto !important; }
.custom-dialog-msg { padding: 40px 24px; font-size: 17px; font-weight: 700; line-height: 1.6; letter-spacing: -0.2px; }
.custom-dialog-btns { display: flex; border-top: 1px solid rgba(141, 147, 165, 0.2); }
.custom-dialog-btn { flex: 1; padding: 20px; font-size: 17px; color: var(--text-primary); background: transparent; border: none; cursor: pointer; transition: background 0.3s; }
.custom-dialog-btn:active { background: var(--input-bg); }
.custom-dialog-btn:not(:last-child) { border-right: 1px solid rgba(141, 147, 165, 0.2); }
.custom-dialog-btn.bold { font-weight: 800; color: #3A40FF; }
body.theme-dark .custom-dialog-btn.bold { color: var(--accent-color); }
.custom-dialog-btn.danger { color: var(--danger-color); font-weight: 800; }

/* --- Toast (提示彈窗) --- 
修改：加上 white-space: nowrap; 解決手機版文字折行問題 */
.toast { position: fixed; top: auto; bottom: 110px; left: 50%; transform: translateX(-50%) translateY(20px) scale(0.9); background: var(--primary-gradient); color: white; padding: 16px 32px; border-radius: 980px; font-size: 15px; font-weight: 800; opacity: 0; transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); pointer-events: none; z-index: 3000; box-shadow: 0 10px 30px rgba(58, 64, 255, 0.4); white-space: nowrap; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
.empty-state { text-align: center; padding: 100px 20px; color: var(--text-secondary); font-weight: 700; font-size: 16px; }

/* --- Mobile Overrides --- */
@media (max-width: 600px) {
    /* 修正：把 margin 換成 padding，並加入 env(safe-area-inset-top) 避開手機瀏海/頂部狀態列 */
    .container { padding: max(24px, env(safe-area-inset-top)) 16px 20px 16px; margin: 0 auto; }
    
    .modal { 
        padding: 32px 24px calc(32px + env(safe-area-inset-bottom)); 
        border-radius: 32px 32px 0 0; 
        align-self: flex-end; 
        transform: translateY(100%); 
        margin-bottom: 0; 
        max-height: 92vh; 
        overflow-y: auto; 
    }
    
    .custom-dialog {
        align-self: center !important;
        margin: auto !important;
        border-radius: 28px !important;
        max-height: none;
    }

    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal-overlay.active .modal { transform: translateY(0); }
    .large-textarea { height: 45vh; min-height: 200px; }
    .prompt-header { flex-direction: column; align-items: stretch; gap: 16px; }
    .prompt-actions { justify-content: flex-start; flex-wrap: wrap; margin-top: 8px; }
    .prompt-footer-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
    .modal-actions { flex-direction: column; }
    .modal-actions .btn { width: 100%; }
    
    .drawer-title { font-size: 20px; }

    .project-selector { padding: 8px !important; max-height: 110px !important; gap: 6px !important; overflow-x: hidden; }
    .project-chip { padding: 6px 12px; font-size: 12px; border-radius: 12px; margin-bottom: 2px; }
}