@import "../../theme.css";

input, textarea, button, select { font-family: inherit; }
body { margin: 0; padding: 16px; background-color: var(--bg-main); -webkit-font-smoothing: antialiased; color: var(--text-primary); height: 100vh; height: 100dvh; box-sizing: border-box; }

*:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 2px; }
textarea:focus, textarea:focus-visible, input:focus, input:focus-visible, button:focus, button:focus-visible { outline: none !important; }
.btn, .action-btn, .tab-btn { touch-action: manipulation; }

.tool-wrapper { display: flex; flex-direction: column; height: 100%; gap: 12px; }
.tool-header { display: flex; justify-content: space-between; align-items: center; }
.header-main h2 { font-size: 16px; font-weight: 600; margin: 0 0 4px 0; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.header-main p { margin: 0; font-size: 12px; color: var(--text-secondary); }

.navigation-bar { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
.tab-switcher { display: flex; background-color: rgba(15, 23, 42, 0.03); border: 1px solid var(--border-color); padding: 2px; border-radius: 8px; gap: 2px; }
.tab-btn { background: none; border: none; padding: 6px 14px; font-size: 12px; font-weight: 600; color: var(--text-secondary); border-radius: 6px; cursor: pointer; transition: all var(--transition-smooth); }
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { background-color: #FFFFFF; color: var(--text-primary); box-shadow: 0 1px 3px rgba(0,0,0,0.05); }

.tab-content { display: none; flex-direction: column; flex: 1; gap: 12px; min-height: 0; animation: fadeIn 0.3s ease; }
.tab-content.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(2px); } to { opacity: 1; transform: translateY(0); } }

.workspace-grid { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; min-height: 0; }
.pane { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 12px; display: flex; flex-direction: column; gap: 8px; transition: all var(--transition-smooth); min-height: 0; }
.pane:focus-within { border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-tint); }
.pane-header { display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border-color); padding-bottom: 6px; height: 28px; }
.pane-title { font-size: 13px; font-weight: 600; color: var(--text-primary); flex: 1; }

.badge { font-size: 10px; font-weight: 700; padding: 2px 5px; border-radius: 4px; letter-spacing: 0.05em; }
.badge-indigo { background-color: var(--accent-tint); color: var(--accent-color); }
.badge-slate { background-color: var(--bg-active); color: var(--text-secondary); }

textarea { width: 100%; flex: 1; border: none; outline: none; resize: none; font-size: 13px; line-height: 1.6; color: var(--text-primary); background-color: transparent; min-height: 0; font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace !important; white-space: pre; }
textarea::-webkit-scrollbar { width: 6px; height: 6px; }
textarea::-webkit-scrollbar-thumb { background: rgba(15, 23, 42, 0.08); border-radius: 3px; }
textarea:hover::-webkit-scrollbar-thumb { background: rgba(15, 23, 42, 0.15); }
textarea.drag-over { background-color: var(--accent-tint); outline: 2px dashed var(--accent-color); border-radius: 6px; outline-offset: -4px; }

.control-panel { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.control-group { display: flex; align-items: center; gap: 16px; }
.group-name { font-size: 12px; font-weight: 600; color: var(--text-secondary); width: 70px; flex-shrink: 0; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

.btn { box-sizing: border-box; border: 1px solid var(--border-color); border-radius: 6px; cursor: pointer; font-weight: 500; transition: all var(--transition-smooth); background-color: #FFF; color: var(--text-primary); display: inline-flex; align-items: center; justify-content: center; }
.btn-md { height: 32px; padding: 0 14px; font-size: 12px; }
.btn-sm { height: 24px; padding: 0 10px; font-size: 11px; }
.btn-muted { border-color: var(--border-color); color: var(--text-secondary); }
.btn-muted:hover { background-color: var(--bg-active-hover); color: var(--text-primary); }
.clear-pane-btn:hover { color: #DC2626; border-color: #FCA5A5; background-color: #FEF2F2; }
.btn-primary { background-color: var(--accent-color); color: #FFF; border-color: var(--accent-color); }
.btn-primary:hover { opacity: 0.95; box-shadow: 0 2px 6px rgba(79, 70, 229, 0.15); }

.action-btn { background: none; border: 1px solid var(--border-color); color: var(--text-secondary); height: 32px; padding: 0 12px; border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: 500; transition: all var(--transition-smooth); }
.action-btn:hover { background-color: var(--bg-active-hover); color: var(--text-primary); border-color: var(--text-secondary); }
.action-btn.active { background-color: var(--text-secondary); color: #FFF; border-color: var(--text-secondary); }

.checkbox-label { font-size: 12px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; cursor: pointer; transition: color var(--transition-smooth); }
.checkbox-label:hover { color: var(--text-primary); }
.checkbox-label input { cursor: pointer; accent-color: var(--accent-color); }

/* 💡 新增主动作按钮统一样式 */
.btn-generate-action {
    width: 100% !important;
    height: 46px !important; 
    font-size: 14px !important; 
    font-weight: 600 !important;
    letter-spacing: 0.8px !important;
    border-radius: 8px !important;
    border: none !important;
    background-color: var(--accent-color) !important;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.18) !important;
    transition: all var(--transition-smooth) !important;
    margin-top: 6px !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0; 
}
.btn-generate-action:hover {
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3) !important;
    transform: translateY(-1px);
    background-color: #4338CA !important;
}
.btn-generate-action:active {
    transform: scale(0.985);
}

.view-controls { padding: 10px 14px; flex-direction: row; justify-content: space-between; align-items: center; gap: 0; }
.view-controls-left, .view-controls-right { display: flex; align-items: center; gap: 12px; }
.action-divider { width: 1px; height: 16px; background-color: var(--border-color); margin: 0 2px; }

.stat-group { display: flex; gap: 8px; }
.stat-badge { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 6px; font-variant-numeric: tabular-nums; }
.stat-add { background-color: rgba(34, 197, 94, 0.1); color: #166534; }
.stat-del { background-color: rgba(239, 68, 68, 0.1); color: #991B1B; }

.diff-viewer-wrapper { padding: 0; overflow: hidden; flex: 1; position: relative; background-color: #fff; }
.diff-scroll-container { width: 100%; height: 100%; overflow: auto; position: relative; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; line-height: 1.6; scroll-behavior: smooth; }

.d-split-row { display: grid; grid-template-columns: 50% 50%; width: 100%; min-width: max-content; transition: background-color 0.2s; }
.d-unified-row { display: flex; width: 100%; min-width: max-content; }
.d-side { display: flex; width: 100%; box-sizing: border-box; }
.d-side.d-left { border-right: none; }

.wrap-mode .d-split-row, .wrap-mode .d-unified-row { min-width: 100%; }
.wrap-mode .d-code { white-space: pre-wrap; word-break: break-all; }

.d-num { width: 44px; min-width: 44px; flex-shrink: 0; background-color: rgba(15,23,42,0.02); color: rgba(15,23,42,0.4); text-align: right; padding: 0 10px 0 4px; user-select: none; border-right: 1px solid var(--border-color); font-size: 11px; display: flex; align-items: flex-start; justify-content: flex-end; padding-top: 2px; }
.d-code { padding: 2px 14px; white-space: pre; flex: 1; word-break: keep-all; }

.line-add { background-color: #E6FFEC; }
.line-add .d-num { background-color: #CCFFD8; color: #166534; border-right-color: #A3E6B5; }
.line-del { background-color: #FFEBE9; }
.line-del .d-num { background-color: #FFDCE0; color: #991B1B; border-right-color: #FFB3BA; }
.line-mod-add { background-color: #E6FFEC; }
.line-mod-add .d-num { background-color: #CCFFD8; color: #166534; border-right-color: #A3E6B5; }
.line-mod-del { background-color: #FFEBE9; }
.line-mod-del .d-num { background-color: #FFDCE0; color: #991B1B; border-right-color: #FFB3BA; }
.line-empty { background-color: rgba(15,23,42,0.02); }
.line-empty .d-num { border-right-color: transparent; }

.char-add { background-color: #ABF2BC; font-weight: 500; border-radius: 4px; padding: 2px 1px; }
.char-del { background-color: #FFBCE0; font-weight: 500; border-radius: 4px; text-decoration: line-through; color: #7F1D1D; padding: 2px 1px; }

.diff-minimap { position: absolute; top: 0; bottom: 0; width: 14px; z-index: 10; cursor: pointer; transition: background-color 0.2s ease, right 0.2s ease, left 0.2s ease; }
.diff-viewer-wrapper.is-split .diff-minimap { left: 50%; transform: translateX(-50%); background-color: rgba(15, 23, 42, 0.04); border-left: 1px solid var(--border-color); border-right: 1px solid var(--border-color); }
.diff-viewer-wrapper.is-split .diff-minimap:hover { background-color: rgba(15, 23, 42, 0.08); }
.diff-viewer-wrapper.is-unified .diff-minimap { left: auto; right: 0; transform: none; background-color: rgba(15, 23, 42, 0.02); border-left: 1px solid var(--border-color); border-right: none; }
.diff-viewer-wrapper.is-unified .diff-minimap:hover { background-color: rgba(15, 23, 42, 0.06); }

.minimap-marker { position: absolute; left: 0; right: 0; height: 3px; opacity: 0.85; transition: transform 0.1s; }
.minimap-marker:hover { transform: scaleY(2.5); opacity: 1; }
.minimap-add { background-color: #22C55E; }
.minimap-del { background-color: #EF4444; }
.minimap-mod { background-color: #EAB308; }

.empty-state { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; background-color: var(--bg-card); z-index: 20; text-align: center; }
.empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.9; }
.empty-state h3 { margin: 0 0 8px 0; font-size: 18px; color: var(--text-primary); font-weight: 600; }
.empty-state p { margin: 0 0 20px 0; font-size: 13px; color: var(--text-secondary); max-width: 300px; line-height: 1.6; }

.diff-scroll-container::-webkit-scrollbar { width: 10px; height: 10px; }
.diff-scroll-container::-webkit-scrollbar-track { background: transparent; }
.diff-scroll-container::-webkit-scrollbar-thumb { background: rgba(15, 23, 42, 0.12); border-radius: 5px; border: 2px solid #FFF; }
.diff-scroll-container::-webkit-scrollbar-thumb:hover { background: rgba(15, 23, 42, 0.22); }

/* 💡 Toast 提示修复溢出问题，适应移动端长文本显示 */
.toast-notification { 
    position: fixed; 
    top: -50px; 
    left: 50%; 
    transform: translateX(-50%); 
    background-color: rgba(15, 23, 42, 0.95); 
    color: #FFF; 
    padding: 10px 20px; 
    border-radius: 8px; 
    font-size: 13px; 
    font-weight: 500; 
    box-shadow: 0 6px 20px rgba(0,0,0,0.15); 
    z-index: 9999; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    opacity: 0; 
    transition: top 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease; 
    pointer-events: none; 
    max-width: 85vw;
    white-space: normal;
    word-break: break-all;
    line-height: 1.5;
}
.toast-notification.show { top: 20px; opacity: 1; }

@media (max-width: 850px) {
    body { padding: 8px; height: auto; overflow-y: auto; }
    input, textarea, select { font-size: 16px !important; } /* 修复 iOS 自动放大表单 */
    .tool-wrapper { height: auto; }

    .workspace-grid { grid-template-columns: 1fr; height: auto; gap: 10px; }
    .pane { height: 260px; min-height: 260px; padding: 10px; }
    
    .control-panel { padding: 10px; }
    .control-group { flex-direction: column; align-items: flex-start; gap: 8px; width: 100%; }
    .btn-group { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); width: 100%; gap: 6px; }
    .action-btn { height: 32px; font-size: 11px; padding: 0 6px; width: 100%; }

    .diff-viewer-wrapper { min-height: 500px; height: 75vh; }
    .d-split-row { grid-template-columns: 50% 50%; min-width: 600px; }
    .wrap-mode .d-split-row { min-width: 150%; } 
    
    .diff-viewer-wrapper.is-split .diff-minimap { left: auto; right: 0; transform: none; border-left: 1px solid var(--border-color); border-right: none; }

    .view-controls { flex-direction: column; align-items: stretch; gap: 10px; }
    .view-controls-left .btn-group { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
    .view-controls-right { justify-content: space-between; width: 100%; }
    .action-divider { display: none; }
}