/* ==========================================================================
   FIZYR design tokens (from logo)
   ========================================================================== */
:root {
  --fizyr-bg: #1D2F38;
  --fizyr-bg-pattern: #2A404F;
  --fizyr-green: #99D2A7;
  --fizyr-teal: #179B8C;
  --fizyr-green-mid: #4AB8A1;

  /* Semantic aliases */
  --color-bg: var(--fizyr-bg);
  --color-bg-elevated: var(--fizyr-bg-pattern);
  --color-accent: var(--fizyr-teal);
  --color-accent-light: var(--fizyr-green);
  --color-text: #e6edf0;
  --color-text-muted: #9caeb8;
  --color-border: var(--fizyr-bg-pattern);
  --color-input-bg: rgba(255, 255, 255, 0.08);
  --color-input-border: var(--fizyr-bg-pattern);
  --color-danger: #dc3545;
  --color-danger-hover: #c82333;
}

/* ==========================================================================
   Base & layout (extracted from pallet_configurator.html)
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  height: 100vh;
  overflow: hidden;
}

.container {
  display: flex;
  height: 100vh;
}

.canvas-container {
  flex: 0 0 70%;
  position: relative;
  background: var(--color-bg);
  border-right: 2px solid var(--color-border);
}

#canvas3d {
  width: 100%;
  height: 100%;
  display: block;
}

.configurator {
  flex: 0 0 30%;
  background: var(--color-bg);
  padding: 20px;
  overflow-y: auto;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
}

.configurator h2 {
  color: var(--color-text);
  margin-bottom: 20px;
  text-align: center;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 10px;
}

.control-group {
  margin-bottom: 25px;
  padding: 15px;
  background: var(--color-bg-elevated);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.control-group h3 {
  color: var(--color-text);
  margin-bottom: 15px;
  font-size: 16px;
}

.control-group-sub {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.control-group-sub h4 {
  color: var(--color-text-muted);
  margin-bottom: 8px;
  font-size: 14px;
}

.control-row {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  gap: 10px;
}
.control-row-value {
  justify-content: space-between;
}
.control-row > .value-display,
.control-row-value .value-display {
  margin-left: auto;
}

.control-row label {
  min-width: 120px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.control-row input,
.control-row select {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--color-input-border);
  border-radius: 4px;
  font-size: 14px;
  background: var(--color-input-bg);
  color: var(--color-text);
}

.control-row input[type="range"] {
  flex: 1;
}

.control-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex: 0;
}
.control-row .control-row-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.value-display {
  min-width: 50px;
  text-align: right;
  background: var(--color-bg-elevated);
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: bold;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.control-row .value-and-unit,
.control-row-value .value-and-unit {
  margin-left: auto;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.control-row-value .value-and-unit .value-display,
.control-row .value-and-unit .value-display {
  margin-left: 0;
}
.value-unit {
  font-weight: normal;
  color: var(--color-text-muted);
  font-size: 13px;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 5px;
  font-style: italic;
}

.reset-btn {
  width: 100%;
  padding: 12px;
  background: var(--color-danger);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.3s;
}

.reset-btn:hover {
  background: var(--color-danger-hover);
}

.reset-btn.btn-accent {
  background: var(--color-accent);
}
.reset-btn.btn-accent:hover {
  background: var(--fizyr-green-mid);
}
.reset-btn.btn-success {
  background: var(--fizyr-green);
  color: var(--color-bg);
}
.reset-btn.btn-success:hover {
  filter: brightness(1.1);
}

.info-box {
  text-align: center;
  margin-bottom: 15px;
  padding: 8px;
  background: var(--color-bg-elevated);
  border-radius: 4px;
  color: var(--color-accent-light);
  border: 1px solid var(--color-border);
}

.loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text);
  font-size: 18px;
}

.tooltip {
  position: absolute;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s;
}

/* Viewer toolbar (top over canvas: left, center, right) */
.viewer-toolbar {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  pointer-events: none;
}
.viewer-toolbar > * {
  pointer-events: auto;
}
.viewer-toolbar-left,
.viewer-toolbar-center,
.viewer-toolbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.viewer-toolbar-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.viewer-toolbar-right {
  margin-left: auto;
}

.viewer-toolbar .ghost-btn {
  padding: 8px 14px;
  background: rgba(29, 47, 56, 0.6);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.viewer-toolbar .ghost-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.viewer-toolbar .ghost-btn:active {
  background: rgba(23, 155, 140, 0.25);
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

.viewer-toolbar .ghost-btn.ghost-btn-active {
  background: rgba(23, 155, 140, 0.2);
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.modal-dialog {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}
.modal-title {
  margin: 0;
  font-size: 18px;
  color: var(--color-text);
}
.modal-close-x {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
.modal-close-x:hover {
  color: var(--color-text);
}
.modal-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.modal-actions {
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
}
.modal-close-btn {
  padding: 8px 16px;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}
.modal-close-btn:hover {
  filter: brightness(1.1);
}

.modal-trigger-btn {
  padding: 8px 14px;
  background: var(--color-input-bg);
  color: var(--color-text);
  border: 1px solid var(--color-input-border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}
.modal-trigger-btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}