/* ============================================================
   style.css — 技术指标实验室 界面样式
   配色: 涨红跌绿 (中国股市惯例)
   布局: 左控制面板 + 右图表区
   ============================================================ */

/* ---- Reset & Base ---- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-up: #e74c3c;
  --color-down: #27ae60;
  --color-rsi: #9b59b6;
  --color-macd-dif: #e74c3c;
  --color-macd-dea: #f39c12;
  --color-bb-upper: #e74c3c;
  --color-bb-mid: #f39c12;
  --color-bb-lower: #27ae60;
  --color-atr: #e67e22;
  --color-grid: #ecf0f1;
  --color-text: #2c3e50;
  --color-subtext: #7f8c8d;
  --color-border: #e0e3e6;
  --color-panel: #ffffff;
  --color-bg: #f5f6fa;
  --color-accent: #3498db;
  --color-warn: #e74c3c;
  --color-success: #27ae60;
  --color-buy: #e74c3c;
  --color-sell: #27ae60;
  --color-info: #3498db;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --radius: 6px;
  --radius-sm: 4px;
  --panel-width: 290px;
  --topbar-height: 52px;
  --footer-height: 40px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  color: var(--color-text);
  background: var(--color-bg);
  overflow: hidden;
}

/* ---- Layout ---- */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---- Top Bar ---- */
.topbar {
  height: var(--topbar-height);
  background: var(--color-panel);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  z-index: 100;
  flex-shrink: 0;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.topbar-logo .logo-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-up), var(--color-macd-dea));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
}

.topbar-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

.stock-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stock-selector-wrapper label {
  font-size: 12px;
  color: var(--color-subtext);
}

#stock-selector {
  padding: 5px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text);
  background: var(--color-panel);
  cursor: pointer;
  outline: none;
  min-width: 220px;
}

#stock-selector:hover {
  border-color: var(--color-accent);
}

#stock-selector:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.15);
}

.time-range-group {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.time-range-btn {
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  font-size: 12px;
  color: var(--color-subtext);
  cursor: pointer;
  transition: all 0.15s;
}

.time-range-btn:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.time-range-btn:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.time-range-btn:not(:first-child) {
  border-left: none;
}

.time-range-btn:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.time-range-btn.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.topbar-actions {
  display: flex;
  gap: 6px;
}

.btn {
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  font-size: 12px;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn:hover {
  background: var(--color-bg);
  border-color: var(--color-subtext);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: #2980b9;
}

/* ---- Main Layout ---- */
.main-area {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ---- Control Panel (Left) ---- */
.control-panel {
  width: var(--panel-width);
  background: var(--color-panel);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.control-panel::-webkit-scrollbar {
  width: 5px;
}

.control-panel::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.control-panel::-webkit-scrollbar-thumb:hover {
  background: var(--color-subtext);
}

/* Stock Info Card */
.stock-info-card {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}

.stock-info-card .info-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.stock-info-card .info-code {
  font-size: 11px;
  color: var(--color-subtext);
  margin-top: 2px;
}

.stock-info-card .info-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 8px;
}

.stock-info-card .info-price {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.stock-info-card .info-change {
  font-size: 13px;
  font-weight: 600;
}

.stock-info-card .info-change.up {
  color: var(--color-up);
}

.stock-info-card .info-change.down {
  color: var(--color-down);
}

.stock-info-card .info-data {
  font-size: 11px;
  color: var(--color-subtext);
  margin-top: 6px;
}

/* Indicator Toggles */
.indicator-toggles {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.indicator-toggles .section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-subtext);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.indicator-toggle {
  display: flex;
  align-items: center;
  padding: 6px 0;
  cursor: pointer;
  user-select: none;
}

.indicator-toggle input[type="checkbox"] {
  display: none;
}

.indicator-toggle .toggle-switch {
  width: 34px;
  height: 18px;
  background: #ccc;
  border-radius: 9px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.indicator-toggle .toggle-switch::after {
  content: "";
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: left 0.2s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.indicator-toggle input:checked + .toggle-switch {
  background: var(--color-accent);
}

.indicator-toggle input:checked + .toggle-switch::after {
  left: 18px;
}

.indicator-toggle .toggle-label {
  margin-left: 10px;
  font-size: 13px;
  color: var(--color-text);
}

.indicator-toggle .toggle-desc {
  margin-left: auto;
  font-size: 10px;
  color: var(--color-subtext);
}

/* Parameter Groups */
.param-section {
  flex: 1;
  padding-bottom: 8px;
}

.param-group {
  border-bottom: 1px solid var(--color-border);
}

.param-group-header {
  padding: 10px 16px;
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.param-group-header:hover {
  background: var(--color-bg);
}

.param-group-header .arrow {
  width: 0;
  height: 0;
  border-left: 4px solid var(--color-subtext);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  margin-right: 8px;
  transition: transform 0.2s;
}

.param-group.collapsed .arrow {
  transform: rotate(-90deg);
}

.param-group-header .group-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
}

.param-group-header .group-badge {
  margin-left: auto;
  font-size: 10px;
  color: var(--color-subtext);
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--color-bg);
}

.param-group-body {
  padding: 4px 16px 12px;
  max-height: 500px;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.param-group.collapsed .param-group-body {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.param-group.disabled .param-group-header {
  opacity: 0.5;
}

.param-group.disabled .param-group-body {
  opacity: 0.4;
  pointer-events: none;
}

/* Slider Item */
.slider-item {
  margin: 10px 0;
}

.slider-item .slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.slider-item .slider-label {
  font-size: 12px;
  color: var(--color-text);
}

.slider-item .slider-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  min-width: 30px;
  text-align: right;
}

.slider-item input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  background: var(--color-grid);
  border-radius: 2px;
  outline: none;
}

.slider-item input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s;
}

.slider-item input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-item input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.slider-item .slider-range {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--color-subtext);
  margin-top: 2px;
}

.slider-item.constraint-error input[type="range"]::-webkit-slider-thumb {
  background: var(--color-warn);
}

.slider-item.constraint-error .slider-value {
  color: var(--color-warn);
}

.slider-item .constraint-hint {
  font-size: 10px;
  color: var(--color-warn);
  margin-top: 2px;
  display: none;
}

.slider-item.constraint-error .constraint-hint {
  display: block;
}

/* Reset Button */
.reset-section {
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
}

.reset-section .btn {
  width: 100%;
  justify-content: center;
  padding: 8px;
}

/* ---- Chart Area (Right) ---- */
.chart-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

#chart-container {
  flex: 1;
  width: 100%;
  min-height: 0;
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.loading-overlay .spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-grid);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Footer ---- */
.footer {
  height: var(--footer-height);
  background: var(--color-panel);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
  overflow: hidden;
}

.footer .footer-source {
  font-size: 11px;
  color: var(--color-subtext);
  white-space: nowrap;
}

.footer .footer-signals {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.footer .footer-signals::-webkit-scrollbar {
  display: none;
}

.signal-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  white-space: nowrap;
  font-weight: 500;
}

.signal-badge.info {
  background: rgba(52, 152, 219, 0.1);
  color: var(--color-info);
}

.signal-badge.warn {
  background: rgba(231, 76, 60, 0.1);
  color: var(--color-warn);
}

.signal-badge.buy {
  background: rgba(231, 76, 60, 0.15);
  color: var(--color-buy);
}

.signal-badge.sell {
  background: rgba(39, 174, 96, 0.15);
  color: var(--color-sell);
}

.signal-badge.success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--color-success);
}

.footer .footer-disclaimer {
  font-size: 10px;
  color: var(--color-subtext);
  white-space: nowrap;
  opacity: 0.7;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  top: 70px;
  right: 20px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  color: white;
  z-index: 9999;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s;
  box-shadow: var(--shadow-md);
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-info {
  background: var(--color-accent);
}

.toast-success {
  background: var(--color-success);
}

.toast-error {
  background: var(--color-warn);
}

/* ---- 补充诊断区块 ---- */
.diagnosis-section {
  flex: 0 0 auto;
  height: 340px;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.diagnosis-titlebar {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.diagnosis-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.diagnosis-subtitle {
  font-size: 11px;
  color: var(--color-subtext);
}

.diagnosis-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
  padding: 12px 16px;
  align-content: start;
}

.diagnosis-grid::-webkit-scrollbar {
  width: 6px;
}

.diagnosis-grid::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.analysis-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}

.analysis-card h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-grid);
}

.analysis-card ul {
  list-style: none;
  padding: 0;
}

.analysis-card li {
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text);
  padding-left: 14px;
  position: relative;
  margin: 3px 0;
}

.analysis-card li::before {
  content: "•";
  position: absolute;
  left: 2px;
  color: var(--color-subtext);
}

.analysis-card li.ok {
  color: var(--color-success);
}

.analysis-card li.ok::before {
  content: "";
}

.analysis-card li.iss-high {
  color: var(--color-warn);
}

.analysis-card li.iss-mid {
  color: #d68910;
}

.analysis-card li.iss-low {
  color: var(--color-subtext);
}

.analysis-card li.risk {
  color: var(--color-subtext);
  font-size: 11px;
}

/* 健康度评分 */
.health-line {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--color-text);
}

.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.score-badge.score-a { background: var(--color-success); }
.score-badge.score-b { background: #f39c12; }
.score-badge.score-c { background: var(--color-warn); }

.health-sub {
  font-size: 11px;
  color: var(--color-subtext);
}

/* 统计指标网格 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.stat-grid > div {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-grid span {
  font-size: 10px;
  color: var(--color-subtext);
}

.stat-grid b {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.stat-grid b.pos { color: var(--color-up); }
.stat-grid b.neg { color: var(--color-down); }

/* 异常交易日表 */
.anom-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 8px;
  font-size: 12px;
}

.anom-table th {
  text-align: left;
  padding: 4px 6px;
  color: var(--color-subtext);
  font-weight: 600;
  border-bottom: 1px solid var(--color-grid);
  font-size: 11px;
}

.anom-table td {
  padding: 4px 6px;
  border-bottom: 1px solid var(--color-grid);
  color: var(--color-text);
}

.anom-table td.pos { color: var(--color-up); font-weight: 600; }
.anom-table td.neg { color: var(--color-down); font-weight: 600; }

.card-note {
  font-size: 10px;
  color: var(--color-subtext);
  line-height: 1.5;
  margin-top: 4px;
}

/* 综合结论 */
.analysis-card.concl {
  background: linear-gradient(180deg, #f8fbfd, var(--color-panel));
  border-color: var(--color-accent);
}

.analysis-card.concl h4 {
  color: var(--color-accent);
  border-bottom-color: rgba(52, 152, 219, 0.2);
}

.pos { color: var(--color-up); }
.neg { color: var(--color-down); }

/* ---- Responsive ---- */
@media (max-width: 1199px) {
  :root {
    --panel-width: 260px;
  }
}

@media (max-width: 768px) {
  .main-area {
    flex-direction: column;
  }

  .control-panel {
    width: 100%;
    max-height: 280px;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px;
    gap: 8px;
  }

  .time-range-group {
    margin-left: 0;
  }

  .footer .footer-disclaimer {
    display: none;
  }
}