/* ── Ninja Synoptic — viewer styles ────────────────────────────────────────── */
/* Uses the same CSS custom-property palette as main.css (--navy, --sea, etc.) */

:root[data-theme="dark"] {
  --syn-bg:          #0d1b2a;
  --syn-panel-bg:    #111e2e;
  --syn-header-bg:   #0a1520;
  --syn-border:      #1e3048;
  --syn-text:        #d0dce8;
  --syn-text-muted:  #6a8099;
  --syn-accent:      #4da6c8;
  --syn-accent-dim:  #1e4a66;
  --syn-btn-bg:      #1a3050;
  --syn-btn-hover:   #1e4a66;
  --syn-active-bg:   #1a3a5c;
  --syn-active-dot:  #4da6c8;
  --syn-overlay-bg:  rgba(13, 27, 42, 0.82);
  --syn-scrubber:    #4da6c8;
  --syn-track:       #1e3048;
  --syn-spinner:     #4da6c8;
}

:root[data-theme="light"] {
  --syn-bg:          #f4f7fa;
  --syn-panel-bg:    #ffffff;
  --syn-header-bg:   #1a2e44;
  --syn-border:      #d0dce8;
  --syn-text:        #1a2e44;
  --syn-text-muted:  #6a8099;
  --syn-accent:      #1a6a99;
  --syn-accent-dim:  #d0e8f4;
  --syn-btn-bg:      #e8f0f8;
  --syn-btn-hover:   #d0e0ef;
  --syn-active-bg:   #d8ecf8;
  --syn-active-dot:  #1a6a99;
  --syn-overlay-bg:  rgba(244, 247, 250, 0.88);
  --syn-scrubber:    #1a6a99;
  --syn-track:       #d0dce8;
  --syn-spinner:     #1a6a99;
}

/* ── Reset / base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--syn-bg);
  color: var(--syn-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.syn-header {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 16px;
  background: var(--syn-header-bg);
  border-bottom: 1px solid var(--syn-border);
  flex-shrink: 0;
  z-index: 10;
}

.syn-header__back {
  color: var(--syn-accent);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  flex-shrink: 0;
}
.syn-header__back:hover { text-decoration: underline; }

.syn-header__title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  flex: 1;
  white-space: nowrap;
}

.syn-header__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.syn-header__btn {
  background: none;
  border: none;
  color: var(--syn-text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: 4px;
  line-height: 1;
}
.syn-header__btn:hover { color: var(--syn-text); background: var(--syn-btn-bg); }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.syn-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.syn-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Product panel ───────────────────────────────────────────────────────── */
.syn-panel {
  width: 220px;
  flex-shrink: 0;
  background: var(--syn-panel-bg);
  border-right: 1px solid var(--syn-border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.syn-panel.is-collapsed { width: 0; overflow: hidden; }

/* ── Viewer main row (metadata panel + canvas) ───────────────────────────── */
.syn-viewer-main {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  min-height: 0;
}

/* ── Metadata side panel (left of chart image) ───────────────────────────── */
.syn-meta-panel {
  width: 160px;
  flex-shrink: 0;
  background: var(--syn-panel-bg);
  border-right: 1px solid var(--syn-border);
  padding: 16px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.syn-meta-source {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--syn-active-dot);
}
.syn-meta-product {
  font-size: 12px;
  font-weight: 600;
  color: var(--syn-text);
  line-height: 1.35;
  margin-bottom: 4px;
}
.syn-meta-divider {
  height: 1px;
  background: var(--syn-border);
  margin: 6px 0;
}
.syn-meta-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--syn-text-muted);
  margin-top: 6px;
}
.syn-meta-valid {
  font-size: 12px;
  font-weight: 500;
  color: var(--syn-accent);
}
.syn-meta-frame {
  font-size: 11px;
  color: var(--syn-text-muted);
}

.syn-panel__heading {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--syn-text-muted);
  padding: 14px 14px 6px;
}

.syn-product-list { padding: 0 0 12px; }

/* ── Group accordion ─────────────────────────────────────────────────────── */
.syn-group-header {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  text-align: left;
  padding: 7px 12px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--syn-text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-top: 1px solid var(--syn-border);
  transition: color 0.1s, background 0.1s;
}
.syn-group-header:first-child { border-top: none; }
.syn-group-header:hover { color: var(--syn-text); background: var(--syn-btn-bg); }
.syn-group-header.is-open { color: var(--syn-text); }

.syn-group-icon  { font-size: 13px; line-height: 1; }
.syn-group-label { flex: 1; }
.syn-group-chevron { font-size: 10px; opacity: 0.7; }

.syn-group-list { padding: 2px 6px 4px; }

.syn-product-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: none;
  border-radius: 6px;
  background: none;
  cursor: pointer;
  color: var(--syn-text);
  margin-bottom: 2px;
  transition: background 0.1s;
}
.syn-product-btn:hover { background: var(--syn-btn-hover); }
.syn-product-btn.is-active { background: var(--syn-active-bg); }

.syn-product-btn__label {
  font-size: 13px;
  font-weight: 500;
  display: block;
}
.syn-product-btn__sub {
  font-size: 11px;
  color: var(--syn-text-muted);
  display: block;
  margin-top: 1px;
}
.syn-product-btn.is-active .syn-product-btn__label { color: var(--syn-active-dot); }

.syn-panel__attribution {
  margin-top: auto;
  padding: 12px 14px;
  font-size: 10px;
  color: var(--syn-text-muted);
  border-top: 1px solid var(--syn-border);
  line-height: 1.4;
}
.syn-panel__attribution a { color: var(--syn-text-muted); }
.syn-panel__attribution a:hover { color: var(--syn-accent); }

/* ── Viewer area ─────────────────────────────────────────────────────────── */
.syn-viewer-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--syn-bg);
}

/* ── Frame canvas ────────────────────────────────────────────────────────── */
.syn-canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--syn-bg);
}

.syn-frame-stack {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  will-change: transform;
}

.syn-frame-stack img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.05s;
  pointer-events: none;
  user-select: none;
}
.syn-frame-stack img.is-active { opacity: 1; }

/* ── Empty state ─────────────────────────────────────────────────────────── */
.syn-empty {
  text-align: center;
  color: var(--syn-text-muted);
  pointer-events: none;
}
.syn-empty__icon { font-size: 48px; margin-bottom: 12px; }
.syn-empty__text { font-size: 14px; }

/* ── Overlay (frame label + load status) ─────────────────────────────────── */
.syn-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 8px 12px;
  pointer-events: none;
}

.syn-overlay__label {
  background: var(--syn-overlay-bg);
  color: var(--syn-text);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.syn-overlay__status {
  background: var(--syn-overlay-bg);
  color: var(--syn-text-muted);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  gap: 6px;
}

.syn-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid var(--syn-track);
  border-top-color: var(--syn-spinner);
  border-radius: 50%;
  animation: syn-spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes syn-spin { to { transform: rotate(360deg); } }

/* ── Info bar ────────────────────────────────────────────────────────────── */
.syn-infobar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 16px;
  border-top: 1px solid var(--syn-border);
  background: var(--syn-panel-bg);
  font-size: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.syn-infobar__product { font-weight: 600; color: var(--syn-text); }
.syn-infobar__sep { color: var(--syn-text-muted); }
.syn-infobar__valid { color: var(--syn-accent); }
.syn-infobar__source {
  color: var(--syn-text-muted);
  margin-left: auto;
  font-size: 11px;
}

/* ── Timeline ────────────────────────────────────────────────────────────── */
.syn-timeline {
  padding: 10px 16px 2px;
  flex-shrink: 0;
}

.syn-timeline__labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  position: relative;
  height: 28px;
}

.syn-timeline__label {
  position: absolute;
  transform: translateX(-50%);
  text-align: center;
  white-space: nowrap;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
}
.syn-tl-main {
  font-size: 11px;
  font-weight: 500;
  color: var(--syn-text);
}
.syn-tl-date {
  font-size: 9px;
  color: var(--syn-text-muted);
}
.syn-tl-date--day {
  font-size: 10px;
  font-weight: 600;
  color: var(--syn-text);
}

/* ── Scrubber ────────────────────────────────────────────────────────────── */
.syn-scrubber {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--syn-track);
  outline: none;
  cursor: pointer;
}
.syn-scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--syn-scrubber);
  cursor: pointer;
  border: none;
}
.syn-scrubber::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--syn-scrubber);
  cursor: pointer;
  border: none;
}

/* ── Controls bar ────────────────────────────────────────────────────────── */
.syn-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.syn-ctrl-btn {
  background: var(--syn-btn-bg);
  border: none;
  color: var(--syn-text);
  cursor: pointer;
  font-size: 15px;
  padding: 6px 10px;
  border-radius: 6px;
  line-height: 1;
  min-width: 36px;
  text-align: center;
  transition: background 0.1s;
}
.syn-ctrl-btn:hover { background: var(--syn-btn-hover); }
.syn-ctrl-btn:disabled { opacity: 0.35; cursor: default; }
.syn-ctrl-btn--play { min-width: 48px; font-size: 16px; }

.syn-ctrl-divider {
  width: 1px;
  height: 20px;
  background: var(--syn-border);
  flex-shrink: 0;
}

.syn-fps-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.syn-fps-label { font-size: 12px; color: var(--syn-text-muted); white-space: nowrap; }
.syn-fps-select {
  background: var(--syn-btn-bg);
  border: 1px solid var(--syn-border);
  color: var(--syn-text);
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
}
.syn-fps-select:hover { background: var(--syn-btn-hover); }
.syn-fps-select:focus { border-color: var(--syn-accent); }

.syn-thermal-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.syn-days-select {
  background: var(--syn-btn-bg);
  border: 1px solid var(--syn-border);
  color: var(--syn-text);
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
}
.syn-days-select:hover { background: var(--syn-btn-hover); }
.syn-days-select:focus { border-color: var(--syn-accent); }

.syn-date-input {
  background: var(--syn-btn-bg);
  border: 1px solid var(--syn-border);
  color: var(--syn-text);
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
  color-scheme: dark;
}
.syn-date-input:hover { background: var(--syn-btn-hover); }
.syn-date-input:focus { border-color: var(--syn-accent); }

.syn-loop-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--syn-text-muted);
  cursor: pointer;
  user-select: none;
}
.syn-loop-label input { cursor: pointer; }

.syn-ctrl-spacer { flex: 1; }

.syn-zoom-reset {
  background: var(--syn-btn-bg);
  border: 1px solid var(--syn-border);
  color: var(--syn-accent);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.syn-zoom-reset:hover { background: var(--syn-btn-hover); }

/* ── Annotation canvas ───────────────────────────────────────────────────── */
.syn-ann-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 5;
  /* Pen cursor: hotspot at the nib tip (bottom-left of icon) */
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25z' fill='%23fff' stroke='%23333' stroke-width='1'/%3E%3Cpath d='M20.71 7.04a1 1 0 000-1.41l-2.34-2.34a1 1 0 00-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z' fill='%23fff' stroke='%23333' stroke-width='1'/%3E%3C/svg%3E") 3 21, crosshair;
}

/* ── Annotation toolbar ──────────────────────────────────────────────────── */
.syn-ann-toolbar {
  position: absolute;
  top: 10px; right: 10px;
  z-index: 20;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 5px;
  background: var(--syn-overlay-bg);
  border: 1px solid var(--syn-border);
  border-radius: 8px;
  padding: 6px 8px;
  backdrop-filter: blur(4px);
}

.syn-ann-btn {
  background: var(--syn-btn-bg);
  border: 1px solid var(--syn-border);
  color: var(--syn-text);
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 5px;
  cursor: pointer;
  white-space: nowrap;
}
.syn-ann-btn:hover { background: var(--syn-btn-hover); }
.syn-ann-btn.is-active { background: var(--syn-accent-dim); border-color: var(--syn-accent); color: var(--syn-accent); }
.syn-ann-btn--clear { color: var(--syn-text-muted); }
.syn-ann-btn--clear:hover { color: #ff4444; border-color: #ff4444; background: var(--syn-btn-bg); }
.syn-ann-btn--clear.is-erasing { color: #ff4444; border-color: #ff4444; background: rgba(255,68,68,0.15); }

.syn-ann-sep { width: 1px; height: 18px; background: var(--syn-border); flex-shrink: 0; }

.syn-ann-select {
  background: var(--syn-btn-bg);
  border: 1px solid var(--syn-border);
  color: var(--syn-text);
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 5px;
  cursor: pointer;
}
.syn-ann-select:focus { outline: 1px solid var(--syn-accent); }

/* ── Tool group dropdowns ────────────────────────────────────────────────── */
.syn-tool-group { position: relative; }

.syn-tool-btn.is-active { background: var(--syn-accent-dim); border-color: var(--syn-accent); color: var(--syn-accent); }

.syn-tool-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--syn-overlay-bg);
  border: 1px solid var(--syn-border);
  border-radius: 6px;
  padding: 4px;
  min-width: 120px;
  z-index: 30;
  backdrop-filter: blur(6px);
  flex-direction: column;
  gap: 2px;
}
.syn-tool-menu.is-open { display: flex; }

.syn-tool-item {
  background: none;
  border: none;
  color: var(--syn-text);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}
.syn-tool-item:hover { background: var(--syn-btn-hover); }
.syn-tool-item.is-active { color: var(--syn-accent); font-weight: 600; }

#syn-btn-annotate.is-active { background: var(--syn-accent-dim); color: var(--syn-accent); }

.syn-refresh-btn {
  background: none;
  border: none;
  color: var(--syn-text-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 4px;
}
.syn-refresh-btn:hover { color: var(--syn-text); background: var(--syn-btn-bg); }

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .syn-panel { width: 160px; }
  .syn-header__title { font-size: 13px; }
}