/* ==========================================================================
   Nexus Density Web Terminal Stylesheet (Dark Minimalist Trading Theme)
   ========================================================================== */

:root {
  --bg-main: #0b0e14;
  --bg-card: #131722;
  --bg-card-subtle: #181d2b;
  --bg-input: #1d2333;
  --border-color: #242c3d;
  --border-focus: #2962ff;

  --text-main: #e2e8f0;
  --text-muted: #848e9c;
  --text-dim: #555f71;

  --accent-blue: #2962ff;
  --accent-blue-hover: #1e53e5;

  --color-green: #00c087;
  --color-green-bg: rgba(0, 192, 135, 0.12);
  --color-red: #f6465d;
  --color-red-bg: rgba(246, 70, 93, 0.12);
  --color-gold: #f0b90b;
  --color-gold-bg: rgba(240, 185, 11, 0.12);
  --color-cyan: #00b4d8;
  --color-cyan-bg: rgba(0, 180, 216, 0.12);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Roboto Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   Header
   ========================================================================== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), #5e85ff);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(41, 98, 255, 0.3);
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card-subtle);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.status-label {
  color: var(--text-muted);
}

.status-value {
  color: var(--text-main);
  font-weight: 600;
}

.status-value.highlight {
  color: var(--color-green);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.green {
  background-color: var(--color-green);
  box-shadow: 0 0 8px var(--color-green);
}

.status-dot.pulse {
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-version {
  background: rgba(41, 98, 255, 0.2);
  color: #79a1ff;
  border: 1px solid rgba(41, 98, 255, 0.4);
}

.badge-readonly {
  background: rgba(240, 185, 11, 0.15);
  color: var(--color-gold);
  border: 1px solid rgba(240, 185, 11, 0.4);
}

.badge-wall {
  background: var(--color-gold-bg);
  color: var(--color-gold);
  border: 1px solid rgba(240, 185, 11, 0.3);
}

.badge-entry {
  background: var(--color-green-bg);
  color: var(--color-green);
  border: 1px solid rgba(0, 192, 135, 0.3);
}

.badge-tp {
  background: var(--color-cyan-bg);
  color: var(--color-cyan);
  border: 1px solid rgba(0, 180, 216, 0.3);
}

.badge-sl {
  background: var(--color-red-bg);
  color: var(--color-red);
  border: 1px solid rgba(246, 70, 93, 0.3);
}

/* ==========================================================================
   Content Layout
   ========================================================================== */
.app-content {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1440px;
  margin: 0 auto;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.card-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.card-body {
  padding: 20px;
}

/* ==========================================================================
   TradingView Chart & Ladder Section
   ========================================================================== */
.chart-body {
  padding: 16px;
}

.symbol-selector-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.chart-legend-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tv-chart-container {
  width: 100%;
  height: 380px;
  background-color: var(--bg-main);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.levels-ladder-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.ladder-col {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px 14px;
}

.col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.wall-col .col-title { color: var(--color-gold); }
.entry-col .col-title { color: var(--color-green); }
.tp-col .col-title { color: var(--color-cyan); }
.sl-col .col-title { color: var(--color-red); }

.col-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 4px;
}

.col-row .lbl {
  color: var(--text-muted);
}

.col-row .val {
  font-weight: 500;
  color: var(--text-main);
}

.highlight-gold { color: var(--color-gold) !important; }
.highlight-green { color: var(--color-green) !important; }
.highlight-red { color: var(--color-red) !important; }
.highlight-cyan { color: var(--color-cyan) !important; }

/* ==========================================================================
   Settings Panel & Tabs
   ========================================================================== */
.settings-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  background: var(--bg-input);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  box-shadow: 0 2px 8px rgba(41, 98, 255, 0.3);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control, .form-select {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

.form-hint {
  font-size: 11px;
  color: var(--text-dim);
}

/* ==========================================================================
   Custom Checkbox / Toggle Switch
   ========================================================================== */
.toggle-wrapper {
  display: flex;
  align-items: center;
  height: 38px;
}

.form-checkbox {
  display: none;
}

.toggle-label {
  display: inline-block;
  width: 44px;
  height: 24px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background-color 0.2s;
}

.toggle-label::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background-color: var(--text-muted);
  border-radius: 50%;
  transition: all 0.2s;
}

.form-checkbox:checked + .toggle-label {
  background-color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.form-checkbox:checked + .toggle-label::after {
  transform: translateX(20px);
  background-color: #fff;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(41, 98, 255, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
}

.btn-secondary {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.btn-secondary:hover {
  background-color: var(--bg-input);
  color: var(--text-main);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Modal Overlay
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.2s;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.modal-header {
  text-align: center;
  margin-bottom: 20px;
}

.modal-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.modal-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.alert {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
}

.alert-danger {
  background: var(--color-red-bg);
  border: 1px solid var(--color-red);
  color: var(--color-red);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  padding: 12px 18px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-left: 4px solid var(--color-green);
}

.toast.error {
  border-left: 4px solid var(--color-red);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   Two-Column Terminal Grid (Chart 65% / Positions Panel 35%)
   ========================================================================== */
.terminal-main-grid {
  display: grid;
  grid-template-columns: 65% calc(35% - 16px);
  gap: 16px;
  align-items: start;
}

@media (max-width: 1200px) {
  .terminal-main-grid {
    grid-template-columns: 1fr;
  }
}

/* Chart Header Controls */
.chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 16px;
}

.chart-header-left, .chart-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.symbol-search-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.symbol-search-group input {
  width: 110px;
  text-transform: uppercase;
}

.quick-symbols {
  display: flex;
  gap: 4px;
}

.btn-quick-sym {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-quick-sym:hover, .btn-quick-sym.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.timeframe-selector {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  padding: 2px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.tf-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.tf-btn:hover {
  color: var(--text-main);
}

.tf-btn.active {
  background: var(--accent-blue);
  color: #fff;
}

/* OHLC Interactive Bar */
.chart-ohlc-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 16px;
  background: rgba(11, 14, 20, 0.7);
  border-bottom: 1px solid var(--border-color);
  font-size: 11px;
  overflow-x: auto;
}

.ohlc-title {
  font-weight: 700;
  color: var(--color-gold);
  margin-right: 4px;
}

.ohlc-item {
  display: flex;
  gap: 4px;
}

.ohlc-item .lbl {
  color: var(--text-muted);
}

/* ==========================================================================
   Positions Side Panel
   ========================================================================== */
.positions-panel {
  display: flex;
  flex-direction: column;
}

.positions-card-header {
  padding: 12px 16px;
}

.positions-exchange-tabs {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
  background: var(--bg-card-subtle);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.pos-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  transition: all 0.15s;
}

.pos-tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-input);
}

.pos-tab-btn.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.pos-tab-btn .badge {
  background: rgba(0, 0, 0, 0.25);
  font-size: 10px;
  padding: 1px 5px;
}

.positions-body {
  padding: 12px;
  max-height: 580px;
  overflow-y: auto;
}

.positions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Position Card */
.pos-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s;
}

.pos-card:hover {
  border-color: #3b475f;
}

.pos-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pos-card-sym-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.pos-badge-long {
  background: var(--color-green-bg);
  color: var(--color-green);
  border: 1px solid rgba(0, 192, 135, 0.4);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
}

.pos-badge-short {
  background: var(--color-red-bg);
  color: var(--color-red);
  border: 1px solid rgba(246, 70, 93, 0.4);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
}

.pos-exchange-label {
  font-size: 11px;
  color: var(--text-muted);
}

.pos-status-badge {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(41, 98, 255, 0.15);
  color: #79a1ff;
  border: 1px solid rgba(41, 98, 255, 0.3);
}

.pos-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-size: 12px;
  background: var(--bg-main);
  padding: 8px 10px;
  border-radius: 6px;
}

.pos-metric {
  display: flex;
  justify-content: space-between;
}

.pos-metric .lbl {
  color: var(--text-muted);
}

.pos-pnl.positive {
  color: var(--color-green);
  font-weight: 700;
}

.pos-pnl.negative {
  color: var(--color-red);
  font-weight: 700;
}

/* Orders Accordion */
.pos-orders-details {
  border-top: 1px solid var(--border-color);
  padding-top: 6px;
  font-size: 11px;
}

.pos-orders-summary {
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
  font-weight: 600;
  padding: 2px 0;
}

.pos-orders-summary:hover {
  color: var(--text-main);
}

.pos-orders-content {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 6px;
  border-left: 2px solid var(--border-color);
}

.pos-order-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
}

.pos-order-row .order-name {
  color: var(--text-main);
}

/* Empty State */
.positions-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  text-align: center;
  color: var(--text-muted);
}

.positions-empty .empty-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.8;
}

.positions-empty .empty-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.positions-empty .empty-sub {
  font-size: 11px;
  max-width: 240px;
}

/* Modal button row */
.modal-btn-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}