/* style.css - FindDone Motion Editor 完整修正版 (深色/亮色雙重優化) */

/* --- 核心變數 --- */
:root {
    --primary: #00b3f5;
    --primary-hover: #2563eb;
    --bg-body: #0f172a;
    --bg-panel: #1e293b;
    --bg-input: #334155;
    --border: #475569;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    
    /* 軌道顏色定義 */
    --state-start: #10b981; 
    --state-mid: #3b82f6;   
    --state-end: #f03875;   
    
    --track-0: #8b5cf6; /* 紫色 */
    --track-1: #f59e0b; /* 橘色 */
    --track-2: #10b981; /* 綠色 */
}

[data-theme="light"] {
    --bg-body: #f1f5f9;
    --bg-panel: #ffffff;
    --bg-input: #e2e8f0;
    --border: #cbd5e1;
    --text-main: #0f172a;
    --text-muted: #64748b;
}

* { box-sizing: border-box; outline: none; user-select: none; }

body { 
    margin: 0; font-family: system-ui, -apple-system, "Microsoft JhengHei", sans-serif; 
    background: var(--bg-body); color: var(--text-main); 
    height: 100vh; width: 100vw; overflow: hidden;
    display: flex; flex-direction: column; 
}

/* --- 佈局：加寬側邊欄至 520px --- */
.workspace { 
    display: grid; grid-template-columns: 1fr 520px; 
    height: 100%; width: 100%; overflow: hidden; 
}

/* --- 舞台區 --- */
.stage-area {
    position: relative;
    background-color: var(--bg-body);
    background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    height: 100%;
}
.stage-overlay {
    position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(circle, transparent 20%, var(--bg-body) 100%);
    opacity: 0.8;
}

.wrapper-outer, .wrapper-middle, .actor-inner {
    display: flex; align-items: center; justify-content: center;
    animation-fill-mode: both; 
    min-width: 10px; min-height: 10px; 
    will-change: transform, filter, opacity;
    position: relative; 
}
.wrapper-outer { width: 100%; height: 100%; pointer-events: none; }
.wrapper-middle { width: auto; height: auto; pointer-events: none; }

.actor-inner {
    width: 150px; height: 150px;
    background: linear-gradient(135deg, #00b3f5, #8b5cf6);
    border-radius: 20px;
    font-size: 1.5rem; font-weight: 800; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    color: #fff; pointer-events: auto;
    display: flex; align-items: center; justify-content: center;
    background-size: cover; background-position: center;
}

/* --- 舞台控制列 --- */
.stage-controls {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    background: rgba(30, 41, 59, 0.85); backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    padding: 6px 10px; border-radius: 50px; 
    display: flex; gap: 12px; align-items: center; z-index: 10;
}
#btnPlay {
    background: var(--primary); color: #fff;
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 179, 245, 0.4);
    transition: 0.3s; padding: 0;
}
#btnPlay:hover { transform: scale(1.1) translateY(-2px); background: var(--primary-hover); }
#btnPlay.paused { background: #f59e0b; }
#btnPlay i { font-size: 20px; }

.stage-controls .icon-btn { 
    background: none; border: none; color: var(--text-muted); cursor: pointer; 
    padding: 8px; transition:0.2s; border-radius: 8px;
}
.stage-controls .icon-btn:not(#btnPlay):hover { color: var(--text-main); background: rgba(255,255,255,0.1); }

/* --- 右側面板 --- */
.sidebar {
    background: var(--bg-panel); border-left: 1px solid var(--border);
    display: flex; flex-direction: column; height: 100%; z-index: 20;
    overflow: hidden;
}

/* 檔案工具列 */
.file-toolbar {
    padding: 15px 20px; 
    background: var(--bg-panel); border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-shrink: 0;
}
.file-group { display: flex; gap: 8px; flex: 1; }
.btn-sm {
    padding: 6px 12px; font-size: 0.85rem; border-radius: 6px; border: 1px solid var(--border);
    background: var(--bg-input); color: var(--text-muted); cursor: pointer; 
    display: flex; align-items: center; gap: 6px; transition: 0.2s; white-space: nowrap; flex:1; justify-content: center;
}
.btn-sm:hover { color: var(--text-main); border-color: var(--primary); }
.btn-sm.danger:hover { color: #ef4444; border-color: #ef4444; }

/* 軌道標籤列 */
.track-bar {
    display: flex; align-items: flex-end; gap: 6px;
    padding: 15px 20px 0 20px;
    background: var(--bg-panel); 
    overflow-x: auto; flex-shrink: 0;
    box-shadow: 0 4px 6px -4px rgba(0,0,0,0.1); 
    z-index: 5;
}

.track-tab {
    padding: 10px 16px; 
    font-size: 0.9rem; 
    border-radius: 8px 8px 0 0;
    background: transparent; 
    color: var(--text-muted); 
    cursor: pointer;
    border: 1px solid transparent; 
    border-bottom: none;
    display: flex; align-items: center; gap: 8px; 
    white-space: nowrap;
    position: relative; 
    top: 1px; 
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0.6;
    font-weight: 500;
}

.track-tab:hover { opacity: 0.9; background: var(--bg-input); }

/* 軌道激活狀態 */
.track-tab.active {
    background: var(--bg-panel); 
    opacity: 1;
    font-weight: 700;
    border: 1px solid var(--border);
    border-bottom: 1px solid var(--bg-panel); 
    box-shadow: 0 3px 0 0 currentColor inset; 
}
.track-tab[data-id="0"].active { 
    color: var(--track-0); 
    background: linear-gradient(to bottom, rgba(139, 92, 246, 0.15), var(--bg-panel));
    border-color: rgba(139, 92, 246, 0.3);
    border-bottom-color: var(--bg-panel);
}
.track-tab[data-id="1"].active { 
    color: var(--track-1); 
    background: linear-gradient(to bottom, rgba(245, 158, 11, 0.15), var(--bg-panel));
    border-color: rgba(245, 158, 11, 0.3);
    border-bottom-color: var(--bg-panel);
}
.track-tab[data-id="2"].active { 
    color: var(--track-2); 
    background: linear-gradient(to bottom, rgba(16, 185, 129, 0.15), var(--bg-panel));
    border-color: rgba(16, 185, 129, 0.3);
    border-bottom-color: var(--bg-panel);
}

.track-tab .ri-close-circle-fill {
    font-size: 1.1em; margin-left: 8px; opacity: 0.4; transition: 0.2s;
}
.track-tab .ri-close-circle-fill:hover { opacity: 1; color: var(--danger); transform: scale(1.1); }

.btn-add-track {
    padding: 6px 10px; border-radius: 6px; border: 1px dashed var(--border);
    background: transparent; color: var(--text-muted); cursor: pointer;
    font-size: 0.8rem; margin-bottom: 4px; transition: 0.2s; white-space: nowrap;
}
.btn-add-track:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,179,245,0.1); }

/* --- 強力版情境染色 (Contextual Tinting V2) --- */
.scroll-wrapper {
    flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column;
    border-top: 1px solid transparent;
    background: linear-gradient(to bottom, transparent, transparent);
    transition: all 0.4s ease;
}

/* 定義各軌道的「主色調變數」 */
.sidebar[data-active-track="0"] { --active-color: #8b5cf6; --active-bg: rgba(139, 92, 246, 0.15); } /* 紫 */
.sidebar[data-active-track="1"] { --active-color: #f59e0b; --active-bg: rgba(245, 158, 11, 0.15); } /* 橘 */
.sidebar[data-active-track="2"] { --active-color: #10b981; --active-bg: rgba(16, 185, 129, 0.15); } /* 綠 */

.sidebar[data-active-track] .scroll-wrapper {
    background: linear-gradient(to top, var(--active-bg) 0%, rgba(0,0,0,0) 80%);
}

.sidebar[data-active-track] .scroll-content {
    border: 1px solid var(--active-color);
    border-radius: 12px;
    background: linear-gradient(180deg, var(--active-bg) 0%, rgba(30, 41, 59, 0.2) 100%);
    box-shadow: 0 0 20px -5px var(--active-bg), inset 0 0 20px -10px var(--active-bg);
    padding: 20px; margin: 10px 15px; 
    transition: all 0.4s ease;
}

/* 內部區塊樣式 (Dark Mode 預設) */
.sidebar[data-active-track] .preset-section,
.sidebar[data-active-track] .state-switcher,
.sidebar[data-active-track] .layer-card {
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-left: 1px solid rgba(255, 255, 255, 0.1) !important;
    background: rgba(0, 0, 0, 0.25) !important;
    box-shadow: none !important;
}

.sidebar[data-active-track] .layer-card {
    border-left-width: 4px !important;
    border-left-style: solid !important;
    border-left-color: var(--active-color) !important;
}

/* ★ Dark Mode 字體修正：強制將輸入框文字變亮白 ★ */
.sidebar[data-active-track] input,
.sidebar[data-active-track] select {
    background: rgba(0, 0, 0, 0.4); /* 背景加深，讓文字跳出來 */
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff; /* 強制純白文字，提高對比 */
}

.sidebar[data-active-track] input:focus,
.sidebar[data-active-track] select:focus {
    border-color: var(--active-color);
    background: rgba(0, 0, 0, 0.6); /* 聚焦時更深 */
}

.sidebar[data-active-track] .section-label {
    color: var(--active-color); opacity: 1; font-weight: 700; margin-left: 4px;
    text-shadow: 0 0 5px rgba(0,0,0,0.5); /* 增加文字陰影，避免被背景吃掉 */
}

/* 修正 Label 顏色，讓它在深色模式下更亮一點 */
.sidebar[data-active-track] label {
    color: rgba(255, 255, 255, 0.85);
}

/* --- Presets & Settings --- */
.preset-section { margin-bottom: 5px; }
.section-label { 
    display: block; font-size: 0.75rem; color: var(--text-muted); 
    margin-bottom: 6px; font-weight: 600; letter-spacing: 0.5px; 
    text-transform: uppercase;
}
.preset-control { display: flex; gap: 8px; }
.preset-control select { flex: 1; }
.btn-xs {
    font-size: 0.75rem; padding: 6px 12px; border-radius: 4px; background: var(--bg-input);
    border: 1px solid var(--border); color: var(--text-muted); cursor: pointer;
}
.btn-xs.primary { background: var(--primary); color: white; border: none; }
.btn-xs:hover { opacity: 0.9; }

.divider-h { height: 1px; background: var(--border); margin: 5px 0; opacity: 0.3; }

/* --- Timeline --- */
.timeline-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
.state-switcher {
    display: flex; gap: 6px; padding: 4px; border-radius: 8px; 
    background: var(--bg-input); border: 1px solid var(--border);
    overflow-x: auto; margin-bottom: 5px;
}
.state-tab {
    flex: 1; min-width: 80px; text-align: center; cursor: pointer; border-radius: 6px;
    padding: 8px 4px; font-size: 0.8rem; font-weight: 600; color: var(--text-muted);
    transition: 0.2s; display: flex; align-items: center; justify-content: center; gap: 4px;
    white-space: nowrap; position: relative;
}
.state-tab:hover { background: rgba(255,255,255,0.05); }
.state-tab.active-start { background: var(--bg-panel); color: var(--state-start); box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.state-tab.active-end { background: var(--bg-panel); color: var(--state-end); box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.state-tab.active-mid { background: var(--bg-panel); color: var(--state-mid); box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.state-remove { font-size: 12px; margin-left: 4px; opacity: 0.5; padding: 2px; border-radius: 50%; }
.state-remove:hover { background: #ef4444; color: white; opacity: 1; }

/* --- 設定面板 (可收合) --- */
.settings-panel {
    background: rgba(15, 23, 42, 0.4); 
    border: 1px solid rgba(255, 255, 255, 0.05); 
    border-radius: 8px; margin-bottom: 10px; overflow: hidden; transition: 0.3s;
}
.settings-header {
    padding: 10px 12px; background: rgba(0, 0, 0, 0.2);
    display: flex; justify-content: space-between; align-items: center;
    cursor: pointer; user-select: none; transition: background 0.2s;
}
.settings-header:hover { background: rgba(255, 255, 255, 0.08); }
.settings-header .arrow-icon { transition: transform 0.3s ease; color: var(--text-muted); }
.settings-body {
    padding: 12px; border-top: 1px solid var(--border);
    transition: all 0.3s ease-in-out; max-height: 500px; opacity: 1;
}
.settings-panel.collapsed .settings-body {
    max-height: 0; padding-top: 0; padding-bottom: 0; opacity: 0;
    border-top-color: transparent; pointer-events: none;
}
.settings-panel.collapsed .arrow-icon { transform: rotate(-90deg); }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 15px; }
.input-group { display: flex; flex-direction: column; gap: 4px; }
.input-group label { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

.settings-grid input[type="number"], 
.settings-grid select {
    width: 100%; height: 30px; font-size: 0.85rem;
    background: rgba(0, 0, 0, 0.2); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px; color: var(--text-muted); padding: 0 8px; text-align: right;
}
.settings-grid select { text-align: left; }
.settings-grid input[type="number"]:focus, .settings-grid select:focus { border-color: var(--primary); }

.merged-input-row { display: flex; align-items: center; gap: 8px; width: 100%; }
.checkbox-inline { display: flex; align-items: center; gap: 4px; white-space: nowrap; flex: 1; }
.checkbox-inline label { font-size: 0.75rem; color: var(--text-muted); cursor: pointer; margin-bottom: 0; }
.checkbox-inline input { margin: 0; cursor: pointer; }
.checkbox-left {
    grid-column: span 2; /* 佔滿兩欄 */
    display: block;      /* 讓內部容器自由發揮 */
}

.loop-row {
    display: flex;
    align-items: center;  /* 垂直居中 */
    justify-content: space-between; /* 左右撐開：Loop 在左，次數在右 */
    width: 100%;
}

.loop-row input[type="checkbox"] {
    width: auto !important;
    margin: 0 8px 0 0 !important; /* 與文字的間距 */
}

.loop-row label {
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    flex-grow: 1; /* 讓 label 佔據中間空間，把次數推到最右邊 */
}

/* 右側次數輸入框區域 */
.iteration-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.iteration-box span {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.iteration-box input[type="number"] {
    width: 50px !important;
    height: 28px;
    text-align: center;
}
.span-2 { grid-column: span 2; }

/* --- Layers Stack --- */
.layer-list { display: flex; flex-direction: column; gap: 8px; padding-bottom: 10px; }
.layer-card {
    background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px;
    padding: 10px 15px; position: relative; border-left: 3px solid transparent;
}
.layer-card.editing-0 { border-left-color: var(--state-start); }
.layer-card.editing-100 { border-left-color: var(--state-end); }
.layer-card.editing-mid { border-left-color: var(--state-mid); }

.layer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.layer-header .icon-btn {
    width: 32px; height: 32px; border: none; background: transparent;
    color: var(--text-muted); cursor: pointer; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s; font-size: 1.1rem;
}
.layer-header .icon-btn:hover { color: #ef4444; background: rgba(239, 68, 68, 0.15); transform: scale(1.1); }

.control-row { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.control-row:last-child { margin-bottom: 0; }
.control-row label { font-size: 0.75rem; color: var(--text-muted); width: 40px; text-align: right; }
input[type="range"] { flex: 1; accent-color: var(--primary); height: 4px; background: var(--bg-body); border-radius: 2px; cursor: pointer; }
.control-row input[type="number"] { width: 60px; height: 24px; font-size: 0.8rem; padding: 2px 5px; }

.editing-0 input[type="range"] { accent-color: var(--state-start); }
.editing-100 input[type="range"] { accent-color: var(--state-end); }
.editing-mid input[type="range"] { accent-color: var(--state-mid); }

/* --- Action Bar --- */
.action-bar {
    padding: 20px 24px; background: var(--bg-panel); border-top: 1px solid var(--border);
    display: grid; gap: 16px; padding-bottom: calc(env(safe-area-inset-bottom, 20px) + 20px); 
    flex-shrink: 0; box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}
.add-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.btn-add {
    padding: 12px 10px; border: 1px solid var(--border); background: var(--bg-input);
    color: var(--text-muted); border-radius: 8px; cursor: pointer; font-size: 0.85rem; font-weight: 600;
    display: flex; align-items: center; justify-content: center; gap: 8px; transition: all 0.2s;
}
.btn-add:hover { 
    border-color: var(--primary); color: var(--primary); background: rgba(0, 179, 245, 0.08);
    transform: translateY(-2px); box-shadow: 0 2px 8px rgba(0, 179, 245, 0.15);
}
.copy-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 12px; }
.btn-primary {
    height: 42px; border: none; border-radius: 8px; background: var(--primary); color: white;
    font-weight: 700; cursor: pointer; display: flex; justify-content: center; align-items: center; gap: 8px;
    font-size: 0.9rem; transition: 0.2s;
}
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0, 179, 245, 0.3); }
.btn-primary.secondary { background: transparent; color: var(--text-main); border: 1px solid var(--border); }
.btn-primary.secondary:hover { border-color: var(--primary); color: var(--primary); background: rgba(0, 179, 245, 0.05); }

@media (max-width: 900px) {
    .workspace { grid-template-columns: 1fr; }
    .sidebar { border-left: none; border-top: 1px solid var(--border); height: 50vh; }
    .stage-area { height: 50vh; }
}

/* =========================================
   ★ Light Mode Fix (亮色模式專用修復補丁)
   修正情境染色在亮版時背景過深的問題
   ========================================= */

/* 1. 重置卡片背景：由深色半透明 -> 改為白色半透明 */
[data-theme="light"] .sidebar[data-active-track] .preset-section,
[data-theme="light"] .sidebar[data-active-track] .state-switcher,
[data-theme="light"] .sidebar[data-active-track] .settings-panel,
[data-theme="light"] .sidebar[data-active-track] .layer-card {
    /* 改用白色背景，帶一點點透明度 */
    background: rgba(255, 255, 255, 0.85) !important;
    
    /* 邊框維持跟隨軌道顏色，但稍微淡一點以免太刺眼 */
    border-color: var(--active-color) !important;
    
    /* 修正陰影：亮色模式下改用淡灰色陰影 */
    box-shadow: 0 4px 15px -5px rgba(0, 0, 0, 0.1) !important;
}

/* 2. 修正輸入框 (Inputs/Selects) 的可讀性 */
[data-theme="light"] .sidebar[data-active-track] input[type="number"],
[data-theme="light"] .sidebar[data-active-track] select,
[data-theme="light"] .sidebar[data-active-track] .btn-xs {
    /* 背景改回純白 */
    background: #ffffff !important;
    
    /* 邊框改為淺灰 */
    border: 1px solid #cbd5e1 !important;
    
    /* 文字改為深灰 */
    color: #334155 !important;
}

/* 輸入框聚焦時 */
[data-theme="light"] .sidebar[data-active-track] input[type="number"]:focus,
[data-theme="light"] .sidebar[data-active-track] select:focus {
    border-color: var(--active-color) !important;
    box-shadow: 0 0 0 2px var(--active-bg) !important;
}

/* 3. 修正標題與標籤文字顏色 */
[data-theme="light"] .sidebar[data-active-track] .section-label,
[data-theme="light"] .sidebar[data-active-track] label {
    /* 增加文字對比度，避免與淺色背景融為一體 */
    text-shadow: none !important; /* 移除深色模式的光暈 */
    color: var(--active-color);   /* 標題跟隨軌道色 */
    font-weight: 700;
}

[data-theme="light"] .sidebar[data-active-track] label {
    color: #64748b !important;   /* 一般標籤用深灰色 */
}

/* 4. 修正外層大框框 (Scroll Content) */
[data-theme="light"] .sidebar[data-active-track] .scroll-content {
    background: linear-gradient(180deg, var(--active-bg) 0%, rgba(255, 255, 255, 0.5) 100%) !important;
    border-color: var(--active-color) !important;
}

/* 5. 修正特效層列表的文字 */
[data-theme="light"] .layer-header .icon-btn {
    color: #64748b; /* 垃圾桶圖示預設顏色加深 */
}
[data-theme="light"] .layer-header .icon-btn:hover {
    color: #ef4444; /* 懸停時變紅 */
    background: rgba(239, 68, 68, 0.1);
}