/* ============================================================
   css/panels/panels-code.css — 代码模式面板
   风格：韩系花艺唯美 · 中文功能文字 · 英文装饰
   定位：全屏 absolute 面板（#app 内），纯代码上下文，零人设
   ============================================================ */

/* ---- 遮罩 ---- */
#code-panel-overlay {
    position: absolute; inset: 0;
    background: rgba(30, 25, 20, 0.25);
    z-index: 250;
    display: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 200ms ease-out;
}
#code-panel-overlay.open { display: block; opacity: 1; }

/* ---- 面板 ---- */
#code-panel {
    position: absolute; top: 0; right: 0;
    width: min(480px, 100vw); height: 100%;
    z-index: 251;
    padding-top: var(--safe-top);
    background: var(--bg-chat);
    display: flex; flex-direction: column;
    transform: translateX(100%);
    transition: transform 280ms cubic-bezier(0.22, 0.61, 0.36, 1);
    box-shadow: -4px 0 32px rgba(30, 28, 26, 0.12), -1px 0 0 rgba(0,0,0,0.03);
}
#code-panel.open { transform: translateX(0); }

/* ---- 顶栏（grid 居中布局，左右等宽） ---- */
#code-panel .cp-header {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    padding: 10px 10px;
    flex-shrink: 0;
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(196, 168, 106, 0.1);
    box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset;
}
#code-panel .cp-header-right {
    display: flex; align-items: center; gap: 6px;
    margin-left: auto; flex-shrink: 0;
}
#code-panel .cp-clear-btn {
    border: 1px solid var(--border); border-radius: 12px;
    padding: 3px 10px; font-family: 'Noto Serif SC', serif;
    font-size: 11px; color: var(--text-muted);
    background: transparent; cursor: pointer;
    transition: all 150ms ease;
}
#code-panel .cp-clear-btn:hover { color: #C4A0A0; border-color: rgba(196,160,160,0.3); }
#code-panel .cp-clear-btn:active { transform: scale(0.95); }
[data-theme-mode="dark"] #code-panel .cp-header {
    box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset;
}
.cp-back-btn {
    background: none; border: none;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: flex-start;
    color: var(--text-secondary);
    cursor: pointer; border-radius: 50%;
    flex-shrink: 0;
    transition: all 150ms ease;
    -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
    .cp-back-btn:hover { color: var(--rose); }
}
.cp-back-btn:active { transform: scale(0.92); }

.cp-title-wrap {
    display: flex; flex-direction: column;
    align-items: center;
    gap: 1px;
    min-width: 0;
}
.cp-title-deco {
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
    font-size: 18px;
    letter-spacing: 1.5px;
    color: var(--rose);
    line-height: 1.2;
}
.cp-title-sub {
    font-family: 'Noto Serif SC', serif;
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.cp-help-btn {
    justify-self: end;
    width: 26px; height: 26px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: transparent;
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic; font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 150ms ease;
    -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
    .cp-help-btn:hover { color: var(--rose); border-color: var(--rose); background: var(--rose-light); }
}

/* ---- 上下文条 ---- */
.cp-context-bar {
    display: flex; align-items: center; gap: 6px;
    padding: 5px 14px;
    font-size: 11px;
    flex-shrink: 0;
    background: rgba(196, 168, 106, 0.04);
    border-bottom: 1px solid rgba(196, 168, 106, 0.06);
}
.cp-ctx-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); opacity: 0.5; }
.cp-ctx-label { color: var(--text-secondary); }
.cp-ctx-count { color: var(--text-primary); font-weight: 500; }
.cp-ctx-hint { color: var(--text-muted); font-size: 10px; margin-left: auto; }

/* ---- 消息区 ---- */
#code-panel .cp-messages {
    flex: 1; overflow-y: auto;
    min-height: 0;  /* ★ 允许 flex 收缩到内容以下，为键盘腾出空间 */
    padding: 14px;
    display: flex; flex-direction: column; gap: 10px;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(200, 160, 160, 0.03), transparent 55%),
        radial-gradient(ellipse at 50% 100%, rgba(168, 184, 160, 0.02), transparent 40%),
        var(--bg-chat);
}

/* 消息气泡 */
#code-panel .cp-messages .msg { max-width: 94%; }
#code-panel .cp-messages .msg.user { align-self: flex-end; }
#code-panel .cp-messages .msg.assistant { align-self: flex-start; }
#code-panel .cp-messages .msg .bubble-wrap { position: relative; }

#code-panel .cp-messages .msg .bubble {
    font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
    font-size: 12.5px; line-height: 1.6;
    color: var(--text-primary);
    background: var(--surface-solid);
    border: 1px solid rgba(196, 168, 106, 0.1);
    border-radius: 10px;
    padding: 12px 14px;
    box-shadow: var(--shadow-xs), var(--shadow-sm);
    white-space: pre-wrap; word-break: break-word;
    transition: box-shadow 150ms ease;
}
#code-panel .cp-messages .msg.user .bubble {
    background: rgba(201, 168, 168, 0.04);
    border-color: rgba(201, 168, 168, 0.1);
}
#code-panel .cp-messages .msg.assistant .bubble {
    border-left: 2px solid var(--gold);
}

/* 代码块 */
.cp-code-block {
    margin: 6px 0;
    border-radius: 8px; overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    background: rgba(30, 28, 26, 0.025);
}
[data-theme-mode="dark"] .cp-code-block {
    border-color: rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
}
.cp-code-block-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 5px 10px;
    background: rgba(196, 168, 106, 0.06);
    border-bottom: 1px solid rgba(0,0,0,0.03);
}
.cp-code-lang {
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic; font-size: 10px;
    color: var(--gold); letter-spacing: 0.5px;
}
.cp-copy-btn, .cp-preview-btn {
    border: 1px solid var(--border);
    border-radius: 8px; padding: 2px 8px;
    font-family: 'Noto Serif SC', serif;
    font-size: 10px;
    background: var(--surface-solid);
    cursor: pointer;
    transition: all 150ms ease;
}
.cp-copy-btn { color: var(--text-muted); margin-left: 6px; }
.cp-copy-btn:hover { color: var(--rose); border-color: var(--rose); }
.cp-copy-btn:active { transform: scale(0.95); }
.cp-copy-btn.copied { color: var(--sage); border-color: var(--sage); }
.cp-preview-btn { color: var(--sage); }
.cp-preview-btn:hover { background: var(--sage-light); border-color: var(--sage); }

.cp-code-block pre {
    margin: 0; padding: 10px 14px; overflow-x: auto;
    font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
    font-size: 12px; line-height: 1.6;
    color: var(--text-primary);
    white-space: pre;
}
.cp-code-block pre::-webkit-scrollbar { height: 3px; }
.cp-code-block pre::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* 删除按钮 */
#code-panel .cp-messages .msg .delete-btn {
    position: absolute; top: 6px; right: 6px;
    border: 1px solid var(--border); border-radius: 8px;
    padding: 2px 8px; font-size: 10px;
    font-family: 'Noto Serif SC', serif;
    color: var(--text-muted); background: var(--surface-solid);
    cursor: pointer;
    opacity: 0.6;   /* ★ 常驻可见（触屏也有），hover 再加深 */
    transition: opacity 150ms ease, color 150ms ease, border-color 150ms ease;
}
#code-panel .cp-messages .msg .bubble-wrap:hover .delete-btn { opacity: 1; }
#code-panel .cp-messages .msg .delete-btn:hover { color: #C4A0A0; border-color: rgba(196,160,160,0.3); opacity: 1; }

/* ---- 输入区 ---- */
#code-panel .cp-input-area {
    display: flex; gap: 8px;
    padding: 10px 14px;
    padding-bottom: calc(10px + var(--safe-bottom, 0px));
    border-top: 1px solid rgba(196, 168, 106, 0.1);
    flex-shrink: 0;
    background: var(--surface);
    transition: padding-bottom 0.08s ease-out;
}
#code-panel .cp-input-area textarea {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 13px; resize: none;
    min-height: 38px; max-height: 100px;
    background: var(--surface-solid);
    color: var(--text-primary);
    transition: border-color 200ms ease, box-shadow 200ms ease;
}
#code-panel .cp-input-area textarea:focus {
    outline: none;
    border-color: var(--rose);
    box-shadow: 0 0 0 3px var(--rose-light);
}
#code-panel .cp-input-area textarea::placeholder { color: var(--text-muted); }

#code-panel .cp-input-area .cp-send-btn {
    padding: 8px 18px;
    border: none; border-radius: 18px;
    background: var(--rose);
    color: #fff;
    font-family: 'Noto Serif SC', serif;
    font-size: 13px; font-weight: 500;
    cursor: pointer; flex-shrink: 0;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(201, 168, 168, 0.2);
    transition: all 150ms ease;
}
#code-panel .cp-input-area .cp-send-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(201, 168, 168, 0.3);
    background: var(--rose-hover);
}
#code-panel .cp-input-area .cp-send-btn:active { transform: scale(0.95); }
#code-panel .cp-input-area .cp-send-btn:disabled {
    opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none;
}

/* ---- 语言行（输入区下方） ---- */
.cp-lang-row {
    display: flex; align-items: center; justify-content: center;
    gap: 4px 8px;
    padding: 8px 14px;
    /* ★ 键盘避让整体落在最底部的语言行上：键盘弹起时整条底部块（输入+语言）一起抬到键盘上方 */
    padding-bottom: calc(8px + var(--kbd-h, 0px) + var(--safe-bottom, 0px));
    flex-shrink: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    transition: padding-bottom 0.08s ease-out;
}
.cp-lang-row::-webkit-scrollbar { display: none; }
.cp-lang-chip {
    flex: 0 0 auto;
    padding: 4px 10px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    font-family: 'Noto Serif SC', serif;
    font-size: 11px; color: var(--text-muted);
    cursor: pointer;
    transition: all 150ms ease;
    white-space: nowrap;
}
@media (hover: hover) {
    .cp-lang-chip:hover { color: var(--text-secondary); background: var(--rose-light); }
}
.cp-lang-chip.active {
    color: var(--rose);
    background: var(--rose-light);
    border-color: rgba(201, 168, 168, 0.25);
    font-weight: 500;
}

/* ---- 帮助浮层 ---- */
.cp-help-overlay {
    position: absolute; inset: 0; z-index: 270;
    background: rgba(30, 25, 20, 0.25);
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.cp-help-card {
    background: var(--surface-solid);
    border-radius: 14px;
    padding: 24px 20px 20px;
    width: min(300px, 82vw);
    box-shadow:
        var(--shadow-lg),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    text-align: center;
    border: 1px solid rgba(196, 168, 106, 0.12);
}
[data-theme-mode="dark"] .cp-help-card {
    box-shadow:
        var(--shadow-lg),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.cp-help-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
    font-size: 22px; letter-spacing: 2px;
    color: var(--rose);
    margin-bottom: 14px;
}
.cp-help-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 12px; line-height: 1.8;
    color: var(--text-secondary);
    text-align: left;
    margin-bottom: 18px;
}
.cp-help-close {
    padding: 8px 28px;
    border: 1px solid var(--rose);
    border-radius: 20px;
    background: transparent;
    font-family: 'Noto Serif SC', serif;
    font-size: 12px; color: var(--rose);
    cursor: pointer;
    transition: all 150ms ease;
}
.cp-help-close:hover { background: var(--rose-light); }
.cp-help-close:active { transform: scale(0.95); }

/* ---- 预览浮层 ---- */
.cp-preview-overlay {
    position: absolute; inset: 0; z-index: 260;
    background: var(--bg-chat);
    display: flex; flex-direction: column;
}
.cp-preview-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: calc(10px + var(--safe-top)) 14px;
    border-bottom: 1px solid rgba(196, 168, 106, 0.1);
    flex-shrink: 0;
    background: var(--surface);
}
.cp-preview-title { font-size: 14px; color: var(--text-primary); }
.cp-preview-close {
    border: 1px solid var(--border); border-radius: 12px;
    padding: 4px 12px;
    font-family: 'Noto Serif SC', serif;
    font-size: 11px; color: var(--text-muted);
    background: transparent; cursor: pointer;
}
.cp-preview-close:hover { color: #C4A0A0; border-color: rgba(196,160,160,0.3); }
.cp-preview-frame { flex: 1; width: 100%; border: none; background: #fff; }

/* 窄屏 */
@media (max-width: 370px) {
    #code-panel .cp-header { padding: 8px 6px; }
    .cp-title-deco { font-size: 15px; }
    .cp-title-sub { font-size: 9px; }
    #code-panel .cp-messages { padding: 10px 8px; gap: 8px; }
    #code-panel .cp-input-area {
        padding: 8px 10px;
        padding-bottom: calc(8px + var(--safe-bottom, 0px));
    }
    .cp-lang-row { padding: 6px 10px 8px; padding-bottom: calc(8px + var(--kbd-h, 0px) + var(--safe-bottom, 0px)); gap: 4px 6px; }
    .cp-lang-chip { font-size: 10px; padding: 3px 8px; }
}