/* 串口调试工具（/tools/serial）—— 页面独享样式，模板直引（不进 assets_frontend）。
   控制台/绘图区为深色工作台（品牌规范禁纯黑：用 #16181D）；其余面板走品牌 tokens。 */

.cc-serialtool { padding-bottom: 40px; }
.cc-serialtool .cct-wrap { padding-top: 12px; }
.cc-serialtool .cct-boot { padding: 48px 0; color: var(--cc-text-2, #828282); }

/* ---- 兼容性横幅 ---- */
.cct-banner {
    display: none;
    border: 1px solid var(--cc-warn, #F0B429);
    background: #FFFDF5;
    color: var(--cc-text, #505050);
    border-radius: 4px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 10px;
    line-height: 1.7;
}
.cct-banner.show { display: block; }

/* ---- 标签栏 ---- */
.cct-tabs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.cct-tab {
    display: inline-flex; align-items: center; gap: 8px;
    border: 1px solid var(--cc-line, #E0E0E0); border-radius: 4px;
    background: #fff; padding: 6px 10px; font-size: 13px; color: var(--cc-text, #505050);
    cursor: pointer; max-width: 260px; user-select: none;
}
.cct-tab.on { border-color: var(--cc-red, #AA1615); color: var(--cc-red, #AA1615); background: var(--cc-red-bg, #FEF0F0); }
.cct-tab .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cc-text-3, #B4B4B4); flex: 0 0 auto; }
.cct-tab.connected .dot { background: var(--cc-ok, #4CAF50); }
.cct-tab.error .dot { background: var(--cc-err, #F44336); }
.cct-tab .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cct-tab .x { border: none; background: none; color: var(--cc-text-3, #B4B4B4); cursor: pointer; font-size: 14px; padding: 0 2px; line-height: 1; }
.cct-tab .x:hover { color: var(--cc-err, #F44336); }
.cct-tab-add {
    border: 1px dashed var(--cc-line, #E0E0E0); border-radius: 4px; background: #fff;
    width: 32px; height: 32px; font-size: 16px; color: var(--cc-text-2, #828282); cursor: pointer;
}
.cct-tab-add:hover { border-color: var(--cc-red, #AA1615); color: var(--cc-red, #AA1615); }
.cct-tabs-right { margin-left: auto; display: flex; gap: 8px; }

/* ---- 通用小组件 ---- */
.cct-btn {
    border: 1px solid var(--cc-line, #E0E0E0); border-radius: 4px; background: #fff;
    color: var(--cc-text, #505050); padding: 6px 14px; font-size: 13px; cursor: pointer;
    transition: border-color .15s, color .15s, background-color .15s;
}
.cct-btn:hover { border-color: var(--cc-red, #AA1615); color: var(--cc-red, #AA1615); }
.cct-btn.primary { background: var(--cc-red, #AA1615); border-color: var(--cc-red, #AA1615); color: #fff; }
.cct-btn.primary:hover { background: var(--cc-red-dark, #8B1211); color: #fff; }
.cct-btn.small { padding: 3px 10px; font-size: 12px; }
.cct-btn.on { background: var(--cc-red-bg, #FEF0F0); border-color: var(--cc-red, #AA1615); color: var(--cc-red, #AA1615); }
.cct-btn:disabled { opacity: .45; cursor: not-allowed; }
.cct-select, .cct-input {
    border: 1px solid var(--cc-line, #E0E0E0); border-radius: 4px; background: #fff;
    color: var(--cc-text, #505050); font-size: 13px; padding: 5px 8px;
}
.cct-select:focus, .cct-input:focus { outline: none; border-color: var(--cc-blue, #0078D4); }

/* ---- 工具行 ---- */
.cct-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.cct-toolbar .sep { width: 1px; height: 20px; background: var(--cc-line, #E0E0E0); }
.cct-hint { font-size: 11.5px; color: var(--cc-text-3, #B4B4B4); }

/* ---- 主区布局：左控制台 / 右 AT 库；下方绘图 ---- */
.cct-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(260px, 3fr); gap: 12px; }
@media (max-width: 991.98px) { .cct-grid { grid-template-columns: 1fr; } }

.cct-panel { border: 1px solid var(--cc-line, #E0E0E0); border-radius: 4px; background: #fff; display: flex; flex-direction: column; min-width: 0; }
.cct-panel-h {
    padding: 8px 12px; border-bottom: 1px solid var(--cc-line, #E0E0E0);
    font-size: 13px; font-weight: 600; color: var(--cc-text, #505050);
    display: flex; align-items: center; gap: 8px; justify-content: space-between; flex-wrap: wrap;
}
.cct-panel-h .ops { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

/* ---- 控制台（深色） ---- */
.cct-console {
    background: #16181D; border-radius: 0 0 4px 4px;
    font-family: Consolas, 'Courier New', 'JetBrains Mono', monospace;
    font-size: 12.5px; line-height: 1.55;
    height: 44vh; min-height: 260px; overflow-y: auto; padding: 8px 10px;
    position: relative; user-select: text;
}
.cct-line { white-space: pre-wrap; word-break: break-all; }
.cct-line .ts { color: #5C616B; margin-right: 8px; user-select: none; }
.cct-line .tag { color: #5C616B; margin-right: 6px; }
.cct-rx  { color: #6BCB77; }
.cct-tx  { color: #5AA7E8; }
.cct-info{ color: #C9A227; }
.cct-err { color: #E57373; }
.cct-atok { color: #4CAF50; font-weight: 700; }
.cct-aterr{ color: #EF5350; font-weight: 700; }
.cct-atdata { color: #4DD0E1; }
.cct-hexb { color: #8A919E; }
.cct-hexa { color: #5C616B; }
.cct-scrollbtn {
    position: absolute; right: 14px; bottom: 10px; display: none;
    background: #2A2E37; color: #C9D1DC; border: 1px solid #3A3F4A; border-radius: 4px;
    font-size: 12px; padding: 3px 10px; cursor: pointer;
}
.cct-console:hover .cct-scrollbtn.need { display: block; }

/* ---- 输入区（深色） ---- */
.cct-inputbar { background: #1D2026; border-top: 1px solid #2A2E37; padding: 8px 10px; display: flex; gap: 8px; align-items: flex-end; }
.cct-inputbar textarea {
    flex: 1; resize: vertical; min-height: 40px; max-height: 140px;
    background: #16181D; color: #DEE3EA; border: 1px solid #3A3F4A; border-radius: 4px;
    font-family: Consolas, 'Courier New', monospace; font-size: 12.5px; padding: 6px 8px;
}
.cct-inputbar textarea:focus { outline: none; border-color: #0078D4; }
.cct-inputside { display: flex; flex-direction: column; gap: 6px; }
.cct-inputside .row { display: flex; gap: 6px; align-items: center; }
.cct-dbtn {
    border: 1px solid #3A3F4A; background: #232730; color: #C9D1DC; border-radius: 4px;
    font-size: 12px; padding: 4px 10px; cursor: pointer;
}
.cct-dbtn:hover { border-color: #0078D4; color: #fff; }
.cct-dbtn.on { border-color: var(--cc-red, #AA1615); color: #FF8A80; }
.cct-dsel {
    background: #232730; color: #C9D1DC; border: 1px solid #3A3F4A; border-radius: 4px; font-size: 12px; padding: 3px 6px;
}
.cct-chips { display: flex; gap: 6px; flex-wrap: wrap; padding: 6px 10px; background: #1D2026; border-top: 1px solid #2A2E37; }
.cct-chips:empty { display: none; }
.cct-chip {
    border: 1px solid #3A3F4A; background: #232730; color: #9AA3B2; border-radius: 3px;
    font-size: 11.5px; padding: 2px 8px; cursor: pointer; font-family: Consolas, monospace;
    max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cct-chip:hover { color: #fff; border-color: #0078D4; }

/* ---- AT 库 ---- */
.cct-at-search { padding: 8px 10px; border-bottom: 1px solid var(--cc-line, #E0E0E0); display: flex; gap: 6px; }
.cct-at-search input { flex: 1; }
.cct-at-list { overflow-y: auto; max-height: 40vh; min-height: 120px; }
.cct-at-group { font-size: 11px; color: var(--cc-text-3, #B4B4B4); padding: 6px 10px 2px; }
.cct-at-item { padding: 5px 10px; cursor: pointer; border-bottom: 1px dashed var(--cc-line, #E0E0E0); }
.cct-at-item:hover { background: var(--cc-bg-soft, #F8F8F8); }
.cct-at-item .cmd { font-family: Consolas, monospace; font-size: 12.5px; color: var(--cc-text, #505050); font-weight: 600; }
.cct-at-item:hover .cmd { color: var(--cc-red, #AA1615); }
.cct-at-item .note { font-size: 11px; color: var(--cc-text-3, #B4B4B4); margin-top: 1px; }
.cct-at-item .ops { float: right; display: none; gap: 4px; }
.cct-at-item:hover .ops { display: inline-flex; }
.cct-at-item .ops button { border: none; background: none; color: var(--cc-text-3, #B4B4B4); cursor: pointer; font-size: 12px; padding: 0 2px; }
.cct-at-item .ops button:hover { color: var(--cc-blue, #0078D4); }
.cct-at-item .ops button.del:hover { color: var(--cc-err, #F44336); }
.cct-freq { font-size: 10px; color: var(--cc-text-3, #B4B4B4); margin-left: 6px; }

/* ---- 绘图 ---- */
.cct-plot-wrap { margin-top: 12px; }
.cct-plot-body { display: none; }
.cct-plot-open .cct-plot-body { display: block; }
.cct-canvas-stack { position: relative; background: #16181D; border-radius: 0 0 4px 4px; height: 320px; }
.cct-canvas-stack canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.cct-canvas-stack .cct-plot-empty {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: #5C616B; font-size: 12.5px; pointer-events: none;
}
.cct-annpop {
    position: absolute; z-index: 5; display: none;
    background: #fff; border: 1px solid var(--cc-line, #E0E0E0); border-radius: 4px; padding: 6px;
}
.cct-annpop input { border: 1px solid var(--cc-line, #E0E0E0); border-radius: 3px; font-size: 12px; padding: 4px 6px; width: 140px; }
.cct-chtable { width: 100%; border-collapse: collapse; font-size: 12px; }
.cct-chtable th { text-align: left; color: var(--cc-text-2, #828282); font-weight: 600; padding: 4px 8px; border-bottom: 1px solid var(--cc-line, #E0E0E0); }
.cct-chtable td { padding: 4px 8px; border-bottom: 1px dashed var(--cc-line, #E0E0E0); color: var(--cc-text, #505050); }
.cct-chtable input[type="text"] { border: 1px solid var(--cc-line, #E0E0E0); border-radius: 3px; font-size: 12px; padding: 2px 6px; width: 110px; }
.cct-sw { width: 14px; height: 14px; border-radius: 3px; display: inline-block; cursor: pointer; border: 1px solid rgba(255,255,255,.25); }
.cct-stats { font-size: 11px; color: var(--cc-text-2, #828282); font-family: Consolas, monospace; }

/* ---- 弹窗 ---- */
dialog.cct-modal {
    border: 1px solid var(--cc-line, #E0E0E0); border-radius: 8px; padding: 0;
    width: min(520px, calc(100vw - 32px)); background: #fff; color: var(--cc-text, #505050);
}
dialog.cct-modal::backdrop { background: rgba(0, 0, 0, .35); }
.cct-modal-h { padding: 12px 16px; font-size: 15px; font-weight: 600; border-bottom: 1px solid var(--cc-line, #E0E0E0); }
.cct-modal-b { padding: 14px 16px; max-height: 65vh; overflow-y: auto; }
.cct-modal-f { padding: 10px 16px; border-top: 1px solid var(--cc-line, #E0E0E0); display: flex; justify-content: flex-end; gap: 8px; }
.cct-form-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 0; }
.cct-form-row > label { font-size: 13px; flex: 0 0 auto; }
.cct-form-row .ctl { display: flex; gap: 6px; align-items: center; }
.cct-radio-row { display: flex; gap: 8px; margin-bottom: 8px; }
.cct-radio-row .cct-btn { flex: 1; text-align: center; }
.cct-help { font-size: 11.5px; color: var(--cc-text-3, #B4B4B4); line-height: 1.7; margin-top: 10px; }

@media print { .cc-serialtool, .cct-app { display: none !important; } }