/* ============================================================
   stochastic.css - Giao diện Đồ thị Động lượng Stochastic & 5D
   Redesigned: Premium dark-theme-first layout
   ============================================================ */

/* ---- Vùng chứa chính: 2-column grid ---- */
.stoch-container {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  padding: 1rem;
  min-height: calc(100vh - 120px);
}

/* ============ SIDEBAR ============ */
.stoch-sidebar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-card);
  padding: 12px 8px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  box-shadow: var(--shadow-card);
}

.stoch-sidebar h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 6px;
  padding: 4px 10px;
}

/* ---- Nút chọn ngành ---- */
.stoch-sector-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stoch-sector-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.stoch-sector-btn.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.1));
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.08);
}

[data-theme="light"] .stoch-sector-btn.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(5, 150, 105, 0.08));
  color: #059669;
  border-color: rgba(5, 150, 105, 0.25);
}

.stoch-sector-btn .count-badge {
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.stoch-sector-btn.active .count-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

/* ============ CHART WRAPPER ============ */
.stoch-chart-wrapper {
  position: relative;
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

/* ---- Tiêu đề & Nút Làm mới ---- */
.stoch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.stoch-title-area h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.stoch-title-area p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.stoch-actions {
  flex-shrink: 0;
}

.stoch-refresh-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.stoch-refresh-btn:hover {
  border-color: #10b981;
  color: #10b981;
  background: rgba(16, 185, 129, 0.06);
}

.stoch-refresh-btn i.spinning {
  animation: stoch-spin 0.8s linear infinite;
}

@keyframes stoch-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---- Vùng vẽ đồ thị ---- */
#stoch-apex-chart {
  min-height: 480px;
}

/* Override ApexCharts internal styles cho dark mode */
.stoch-chart-wrapper .apexcharts-xaxis-label,
.stoch-chart-wrapper .apexcharts-yaxis-label {
  fill: var(--text-secondary) !important;
}

.stoch-chart-wrapper .apexcharts-xaxis-title-text,
.stoch-chart-wrapper .apexcharts-yaxis-title-text {
  fill: var(--text-muted) !important;
}

.stoch-chart-wrapper .apexcharts-gridline {
  stroke: var(--border) !important;
}

.stoch-chart-wrapper .apexcharts-xaxis line,
.stoch-chart-wrapper .apexcharts-yaxis line {
  stroke: var(--border) !important;
}

/* ---- Legend thống kê mini (hiệu suất tổng) ---- */
.stoch-legend {
  display: flex;
  gap: 16px;
  padding: 8px 4px 0;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.stoch-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.stoch-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stoch-legend-dot.overbought { background: #10b981; }
.stoch-legend-dot.oversold   { background: #a78bfa; }
.stoch-legend-dot.neutral    { background: var(--text-muted); }

/* ============ LOADING OVERLAY ============ */
.stoch-loading {
  position: absolute;
  inset: 0;
  background: var(--bg-card);
  opacity: 0.92;
  backdrop-filter: blur(6px);
  display: none; /* Bật bằng JS */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  border-radius: var(--radius-lg);
  z-index: 10;
}

.stoch-loading .spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-left-color: #10b981;
  border-radius: 50%;
  animation: stoch-spin 0.8s linear infinite;
}

.stoch-loading p {
  font-size: 0.85rem;
  font-weight: 600;
  color: #10b981;
}

/* ============ CUSTOM TOOLTIP ============ */
.stoch-tooltip {
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
}

.stoch-tooltip .tt-symbol {
  font-weight: 800;
  font-size: 14px;
  color: #10b981;
  margin-bottom: 4px;
}

.stoch-tooltip .tt-row {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.stoch-tooltip .tt-row b {
  color: var(--text-primary);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 992px) {
  .stoch-container {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .stoch-sidebar {
    max-height: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px;
  }

  .stoch-sidebar h3 {
    width: 100%;
    margin-bottom: 2px;
    font-size: 0.85rem !important;
  }

  .stoch-sector-btn {
    padding: 8px 12px;
    font-size: 0.85rem;
    border: 1px solid var(--border);
    border-radius: 20px;
  }

  .stoch-sector-btn .count-badge {
    display: none;
  }

  .stoch-chart-wrapper {
    padding: 14px 10px;
  }

  #stoch-apex-chart {
    min-height: 320px;
  }

  .stoch-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .stoch-title-area h2 {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .stoch-container {
    padding: 6px;
  }

  .stoch-sector-btn {
    padding: 6px 10px;
    font-size: 0.82rem;
  }

  #stoch-apex-chart {
    min-height: 290px;
  }
}

/* ============ GUIDE CARD ============ */
.stoch-guide-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 18px;
  background: rgba(16, 185, 129, 0.05); /* Rất nhẹ nhàng tông ngọc lục bảo */
  border: 1px solid rgba(16, 185, 129, 0.12);
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  margin-top: 2px;
}

[data-theme="light"] .stoch-guide-card {
  background: rgba(5, 150, 105, 0.03);
  border-color: rgba(5, 150, 105, 0.1);
  color: var(--text-secondary);
}

.stoch-guide-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: -1px;
}

.stoch-guide-content strong {
  color: #10b981;
}

[data-theme="light"] .stoch-guide-content strong {
  color: #059669;
}

/* ============ QUADRANTS GRID (4 Ô Phân Loại) ============ */
.stoch-quadrants-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.stoch-quadrant-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s ease;
  min-height: 120px;
}

/* Viền trên đặc trưng cho từng quadrant */
.stoch-quadrant-box.q-leading  { border-top: 3px solid #10b981; }
.stoch-quadrant-box.q-improving { border-top: 3px solid #8b5cf6; }
.stoch-quadrant-box.q-weakening { border-top: 3px solid #f59e0b; }
.stoch-quadrant-box.q-lagging  { border-top: 3px solid #ef4444; }

/* Header của mỗi ô */
.stoch-q-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.stoch-q-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}

.stoch-q-title .q-icon {
  font-size: 1rem;
}

.stoch-quadrant-box.q-leading  .stoch-q-title { color: #10b981; }
.stoch-quadrant-box.q-improving .stoch-q-title { color: #8b5cf6; }
.stoch-quadrant-box.q-weakening .stoch-q-title { color: #f59e0b; }
.stoch-quadrant-box.q-lagging  .stoch-q-title { color: #ef4444; }

[data-theme="light"] .stoch-quadrant-box.q-leading  .stoch-q-title { color: #059669; }
[data-theme="light"] .stoch-quadrant-box.q-improving .stoch-q-title { color: #7c3aed; }
[data-theme="light"] .stoch-quadrant-box.q-weakening .stoch-q-title { color: #d97706; }
[data-theme="light"] .stoch-quadrant-box.q-lagging  .stoch-q-title { color: #dc2626; }

.stoch-q-count {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.stoch-q-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 4px;
}

/* Danh sách cổ phiếu trong mỗi ô */
.stoch-q-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 260px;
  overflow-y: auto;
}

.stoch-q-item {
  display: grid;
  grid-template-columns: 50px 1fr 50px;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease;
  font-size: 0.8rem;
}

.stoch-q-item:hover {
  background: var(--bg-card-hover);
}

.stoch-q-sym {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.82rem;
}

.stoch-q-pct {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 0.78rem;
  text-align: right;
}

.stoch-q-score {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 0.78rem;
  text-align: right;
  color: var(--text-secondary);
}

.stoch-q-pct.up   { color: #10b981; }
.stoch-q-pct.down { color: #ef4444; }
.stoch-q-pct.unch { color: var(--text-muted); }

[data-theme="light"] .stoch-q-pct.up   { color: #059669; }
[data-theme="light"] .stoch-q-pct.down { color: #dc2626; }

/* Trường hợp ô trống */
.stoch-q-empty {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  padding: 16px 0;
  opacity: 0.6;
}

/* ---- Responsive ---- */
@media (max-width: 992px) {
  .stoch-quadrants-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stoch-quadrants-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .stoch-q-list {
    max-height: 180px;
  }
}

/* Ngăn chặn việc cắt/che nhãn dữ liệu ở viền trên/dưới của biểu đồ */
#stoch-apex-chart .apexcharts-inner {
  clip-path: none !important;
}
#stoch-apex-chart svg {
  overflow: visible !important;
}

/* ============ FULL WIDTH LAYOUT ============ */
.stoch-main-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.stoch-container {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  padding: 1rem 1rem 0 1rem;
  min-height: auto;
}

/* ============ TOP 5 RS SECTOR TABLES ============ */
.stoch-top-rs-section {
  width: 100%;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 1rem 2rem 1rem;
  border-top: 1px solid var(--border);
}

.stoch-top-rs-header {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.stoch-top-rs-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stoch-top-rs-title i {
  color: #f59e0b;
}

.stoch-top-rs-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Hiển thị chuẩn 4 ngành / 1 hàng trên màn hình máy tính */
.stoch-top-rs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
}

.stoch-rs-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stoch-rs-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-2px);
}

.stoch-rs-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.stoch-rs-card-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stoch-rs-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  white-space: nowrap;
  flex-shrink: 0;
}

[data-theme="light"] .stoch-rs-card-badge {
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
}

.stoch-rs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  table-layout: fixed;
}

.stoch-rs-table th {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  white-space: nowrap;
}

.stoch-rs-table th.text-left, .stoch-rs-table td.text-left { text-align: left !important; }
.stoch-rs-table th.text-center, .stoch-rs-table td.text-center { text-align: center !important; }
.stoch-rs-table th.text-right, .stoch-rs-table td.text-right { text-align: right !important; }

.stoch-rs-table td {
  padding: 4px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.stoch-rs-table tr:last-child td {
  border-bottom: none;
}

.stoch-rs-table tr {
  cursor: pointer;
  transition: background 0.15s ease;
}

.stoch-rs-table tr:hover {
  background: var(--bg-card-hover);
}

.rs-rank {
  font-weight: 800;
  font-size: 0.78rem;
  width: 20px;
  display: inline-block;
  text-align: center;
}

.rs-rank.rank-1 { color: #f59e0b; }
.rs-rank.rank-2 { color: #94a3b8; }
.rs-rank.rank-3 { color: #d97706; }
.rs-rank.rank-other { color: var(--text-muted); }

.rs-sym {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.8rem;
}

.rs-price {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
}

.rs-score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  min-width: 34px;
}

.rs-score-badge.high {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.rs-score-badge.mid {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.rs-score-badge.low {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Responsive cho màn hình vừa và nhỏ */
@media (max-width: 1400px) {
  .stoch-top-rs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .stoch-top-rs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .stoch-top-rs-grid {
    grid-template-columns: 1fr;
  }
}