/* /ftf/app/chart-lab/chart-lab.css — styles for the FTF chart engine workspace. */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100;300;400;500;700&display=swap');

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body.ftf-lab-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text-body);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
}

.ftf-lab {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 16px 20px 14px;
  gap: 12px;
}

/* === Toolbar === */
.ftf-lab-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

/* === Chart Lab Premium Title === */
.ftf-lab-title {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
  flex-shrink: 0;
  order: 1 !important;
}

.ftf-lab-title h1 {
  margin: 0;
  font-family: 'Roboto', 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 25px;
  font-weight: 100;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--text-heading);
}

.ftf-lab-tag::before {
  content: "";
  display: block;
  margin-right: 10px;
  width: 1px;
  height: 34px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(96, 165, 250, 0.75),
    transparent
  );
  box-shadow: 0 0 10px rgba(96, 165, 250, 0.35);
  flex-shrink: 0;
}

.ftf-lab-tag {
  color: var(--info);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  white-space: nowrap;
}

/* === Controls === */
.ftf-lab-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  order: 3 !important;
}

/* 
   2D / 3D order handling.
   This covers both possible structures:
   1. #lab-mode is a direct child of toolbar.
   2. #lab-mode is inside .ftf-lab-controls.
*/
.ftf-lab-toolbar > #lab-mode,
.ftf-lab-toolbar > .ftf-lab-mode {
  order: 2 !important;
}

.ftf-lab-controls #lab-mode,
.ftf-lab-controls .ftf-lab-mode {
  order: -10 !important;
}

.ftf-lab-field {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.ftf-lab-field span {
  font-size: 10px;
  color: var(--text-muted-strong);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.ftf-lab-field input {
  width: 110px;
  padding: 7px 10px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-heading);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.ftf-lab-field input:focus {
  outline: none;
  border-color: var(--info);
}

/* === Button Groups === */
.ftf-lab-timeframes,
.ftf-lab-mode,
#lab-mode,
#field-views,
#chart-type,
#view-mode,
#timeframes {
  display: inline-flex;
  align-items: stretch;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.ftf-lab-timeframes button,
.ftf-lab-mode button,
#lab-mode button,
#field-views button,
#chart-type button,
#view-mode button,
#timeframes button {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 7px 12px;
  font-size: 11px;
  font-weight: 600;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.ftf-lab-timeframes button + button,
.ftf-lab-mode button + button,
#lab-mode button + button,
#field-views button + button,
#chart-type button + button,
#view-mode button + button,
#timeframes button + button {
  border-left: 1px solid var(--bg-hover);
}

.ftf-lab-timeframes button:hover,
.ftf-lab-mode button:hover,
#lab-mode button:hover,
#field-views button:hover,
#chart-type button:hover,
#view-mode button:hover,
#timeframes button:hover {
  color: var(--text-body);
  background: var(--surface-tint-02);
}

.ftf-lab-timeframes button.active,
.ftf-lab-mode button.active,
#lab-mode button.active,
#field-views button.active,
#chart-type button.active,
#view-mode button.active,
#timeframes button.active,
.ftf-lab-timeframes button[aria-pressed="true"],
.ftf-lab-mode button[aria-pressed="true"],
#lab-mode button[aria-pressed="true"],
#field-views button[aria-pressed="true"],
#chart-type button[aria-pressed="true"],
#view-mode button[aria-pressed="true"],
#timeframes button[aria-pressed="true"],
button[data-active="true"] {
  color: var(--info);
  background: rgba(96, 165, 250, 0.08);
}

#lab-mode button,
#field-views button {
  min-width: 68px;
}

.ftf-lab-btn-ghost {
  width: 32px;
  height: 32px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  appearance: none;
  -webkit-appearance: none;
}

.ftf-lab-btn-ghost:hover {
  color: var(--text-heading);
  border-color: var(--border-strong);
}

/* === Stage / Canvas === */
.ftf-lab-stage {
  flex: 1;
  min-height: 360px;
  position: relative;
  background: linear-gradient(180deg, var(--chart-stage-start) 0%, var(--bg-deep) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
}

.ftf-lab-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.ftf-lab-status {
  position: absolute;
  top: 12px;
  left: 14px;
  padding: 6px 10px;
  background: var(--surface-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
  max-width: calc(100% - 28px);
  white-space: pre-wrap;
}

.ftf-lab-status.error {
  color: var(--danger-market);
  border-color: rgba(248,113,113,0.35);
}

.ftf-lab-status.empty {
  color: var(--warning-bright);
  border-color: rgba(250,204,21,0.35);
}

.ftf-lab-status.loading {
  color: var(--info);
  border-color: rgba(96,165,250,0.35);
}

.ftf-lab-status:empty {
  display: none;
}

.ftf-lab-readout {
  position: absolute;
  top: 12px;
  left: 14px;
  padding: 6px 10px;
  background: var(--surface-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-body);
  pointer-events: none;
  white-space: pre;
  text-align: left;
}

.ftf-lab-readout:empty {
  display: none;
}

/* === Footer === */
.ftf-lab-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-disabled);
  font-family: 'JetBrains Mono', monospace;
}

.ftf-lab-diag {
  letter-spacing: 0.02em;
}

.ftf-lab-hint {
  color: var(--text-subtle);
}

/* === Debug Panel === */
.ftf-lab-debug {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 8px 10px;
  background: var(--surface-debug);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  line-height: 1.35;
  color: var(--text-muted);
  pointer-events: none;
  display: grid;
  grid-template-columns: max-content max-content;
  column-gap: 10px;
  row-gap: 2px;
  max-width: 280px;
  z-index: 4;
}

.ftf-lab-debug:empty {
  display: none;
}

.ftf-lab-debug .k {
  color: var(--text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  font-size: 9px;
  align-self: center;
}

.ftf-lab-debug .v {
  color: var(--text-body);
  text-align: right;
}

/* Pulse animation on loading status */
@keyframes ftf-lab-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.ftf-lab-status.loading {
  animation: ftf-lab-pulse 1.2s ease-in-out infinite;
}

/* === Overlay Control Panel === */
.ftf-lab-overlays {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}

.ftf-overlay-group {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.ftf-overlay-group-label {
  color: var(--text-disabled);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ftf-overlay-buttons {
  display: inline-flex;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.ftf-overlay-buttons button {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  font-family: inherit;
}

.ftf-overlay-buttons button + button {
  border-left: 1px solid var(--bg-hover);
}

.ftf-overlay-buttons button:hover:not(:disabled):not(.locked) {
  color: var(--text-soft);
  background: rgba(96, 165, 250, 0.05);
}

.ftf-overlay-buttons button.active {
  color: var(--info);
  background: rgba(96, 165, 250, 0.08);
}

.ftf-overlay-buttons button.locked {
  cursor: default;
  color: var(--info);
  background: rgba(96, 165, 250, 0.08);
}

.ftf-overlay-buttons button:disabled:not(.locked) {
  color: var(--text-subtle);
  cursor: not-allowed;
}

.ftf-lab-debug-overlays {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.04em;
}

/* === FTF v2.1 Chrome Additions === */
.ftf-lab-ver {
  text-transform: none;
}

#lab-adj-btn {
  min-width: 100px;
}

.ftf-overlay-btn[data-ftf3d] {
  display: none;
}

/* === HUD Reposition / Polish === */
.ftf-lab-debug {
  top: 12px;
  left: 14px;
  right: auto;
  bottom: auto;
  max-width: 178px;
  grid-template-columns: auto minmax(0, 1fr);
}

.ftf-lab-debug .v {
  white-space: normal;
}

.ftf-lab-debug .k {
  align-self: start;
}

.ftf-lab-readout {
  top: 14px;
  left: 210px;
  right: auto;
  white-space: nowrap;
  border: none;
  background: transparent;
  padding: 3px 0;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.5px;
  word-spacing: 3px;
  text-shadow: 0 1px 2px var(--shadow-strong);
}

.ftf-lab-debug,
.ftf-lab-readout,
.ftf-lab-status {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* === Mobile === */
@media (max-width: 720px) {
  .ftf-lab {
    padding: 12px 12px 10px;
    gap: 10px;
  }

  .ftf-lab-toolbar {
    gap: 10px;
  }

  .ftf-lab-title {
    gap: 12px;
  }

  .ftf-lab-title h1 {
    font-size: 24px;
  }

  .ftf-lab-tag::before {
    height: 22px;
  }

  .ftf-lab-tag {
    font-size: 8px;
    letter-spacing: 0.20em;
  }

  .ftf-lab-controls {
    gap: 8px;
  }

  .ftf-lab-field input {
    width: 90px;
    padding: 6px 8px;
    font-size: 11px;
  }

  .ftf-lab-timeframes button,
  .ftf-lab-mode button,
  #lab-mode button,
  #field-views button,
  #chart-type button,
  #view-mode button,
  #timeframes button {
    padding: 6px 9px;
    font-size: 10px;
  }

  .ftf-lab-readout {
    font-size: 10px;
    padding: 4px 7px;
    right: 8px;
    top: 8px;
  }

  .ftf-lab-status {
    font-size: 10px;
    padding: 4px 7px;
    left: 8px;
    top: 8px;
  }

  .ftf-lab-debug {
    font-size: 9px;
    right: 8px;
    bottom: 8px;
    max-width: 230px;
    padding: 6px 8px;
    column-gap: 8px;
  }

  .ftf-lab-debug .k {
    font-size: 8px;
  }

  .ftf-lab-footer {
    font-size: 10px;
  }

  .ftf-lab-hint {
    display: none;
  }
}

@media (max-width: 480px) {
  .ftf-lab-debug {
    display: none;
  }
}

/* Right-align Chart Lab controls (standalone only, not embeds) */
body:not(.ftf-embed) .ftf-lab-toolbar .ftf-lab-controls { margin-left: auto; }