/* ============================================================
   SpineOS Measure — page-specific styles.
   Builds on packages/design/tokens.css + marketing.css.
   ============================================================ */

.measure-body {
  background: var(--bg);
}

.measure-disclaimer {
  background: #fff7e6;
  border-bottom: 1px solid #f5d895;
  color: #5a3c00;
  padding: 10px 20px;
  text-align: center;
  font-size: var(--text-sm);
  line-height: 1.45;
}
.measure-disclaimer strong { color: #3a2700; }

.measure-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--s-6, 32px) var(--s-5, 20px) var(--s-7, 56px);
}

/* ----- Hero / dropzone ----- */
.measure-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--s-6, 32px);
  align-items: center;
  margin-bottom: var(--s-6, 32px);
}
.measure-hero[data-state="loaded"] {
  display: none;
}
@media (max-width: 880px) {
  .measure-hero { grid-template-columns: 1fr; }
}

.measure-hero__headline {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 6px 0 14px;
}
.measure-hero__sub {
  color: var(--ink-muted, #4a5560);
  font-size: var(--text-lg, 1.125rem);
  line-height: 1.55;
  max-width: 56ch;
}

.measure-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 280px;
  padding: 32px;
  border: 2px dashed var(--line, #d6dde3);
  border-radius: var(--r-lg, 16px);
  background: var(--surface, #fff);
  color: var(--ink-muted, #4a5560);
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}
.measure-dropzone:hover,
.measure-dropzone:focus-visible,
.measure-dropzone.is-dragging {
  border-color: var(--accent, #0066cc);
  background: var(--surface-muted, #f4f6f8);
  color: var(--ink, #0f1419);
}
.measure-dropzone__input {
  position: absolute;
  width: 1px; height: 1px; opacity: 0; pointer-events: none;
}
.measure-dropzone__art { color: var(--accent, #0066cc); }
.measure-dropzone__title {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 600;
  color: var(--ink, #0f1419);
}
.measure-dropzone__sub { font-size: var(--text-sm, 0.875rem); line-height: 1.6; }

.measure-kbd {
  display: inline-block;
  padding: 0 6px;
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.85em;
  font-weight: 600;
  color: var(--ink, #0f1419);
  background: var(--surface-muted, #f4f6f8);
  border: 1px solid var(--line, #d6dde3);
  border-bottom-width: 2px;
  border-radius: 4px;
  vertical-align: baseline;
}

/* ----- Workspace ----- */
.measure-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--s-5, 20px);
  align-items: start;
}
.measure-workspace[hidden] { display: none; }
@media (max-width: 980px) {
  .measure-workspace { grid-template-columns: 1fr; }
}

.measure-canvas-wrap {
  position: relative;
  background: #0a0c10;
  border-radius: var(--r-lg, 16px);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.measure-canvas {
  display: block;
  max-width: 100%;
  max-height: 80vh;
  cursor: crosshair;
  touch-action: none;
}

.measure-canvas-tools {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  z-index: 2;
}
.measure-canvas-tools .m-btn {
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* On narrow viewports, lift the toolbar out of the canvas overlay so it
   doesn't sit on top of the image. Switch the wrap to a flex column and
   give the toolbar order:-1 so it sits above the canvas — that way the
   absolute-positioned status pill (bottom-left) still anchors to the
   canvas area, not below the toolbar. */
@media (max-width: 600px) {
  .measure-canvas-wrap {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }
  .measure-canvas-tools {
    position: static;
    order: -1;
    justify-content: center;
    padding: 8px 12px;
    background: var(--surface, #fff);
    border-bottom: 1px solid var(--line, #e5eaef);
  }
  .measure-canvas-tools .m-btn {
    background: var(--surface, #fff);
  }
}

.measure-status {
  position: absolute;
  bottom: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(10, 12, 16, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  z-index: 2;
}
.measure-status__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #94a1ad;
}
.measure-status__dot[data-state="loading"] { background: #f0b400; animation: pulse 1.4s ease-in-out infinite; }
.measure-status__dot[data-state="ready"]   { background: #2bb673; }
.measure-status__dot[data-state="error"]   { background: #d04a4a; }
.measure-status__dot[data-state="busy"]    { background: #4a90e2; animation: pulse 1.0s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ----- Panel ----- */
.measure-panel {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #e5eaef);
  border-radius: var(--r-lg, 16px);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.measure-panel__head {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted, #4a5560);
  margin-bottom: 8px;
}
.measure-panel__group { display: flex; flex-direction: column; }
.measure-panel__hint {
  font-size: var(--text-sm, 0.875rem);
  color: var(--ink-muted, #4a5560);
  margin: 8px 0 0;
  line-height: 1.45;
}

.measure-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm, 0.875rem);
  cursor: pointer;
}
.measure-toggle input { width: 16px; height: 16px; }

.measure-tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.measure-tool {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line, #e5eaef);
  border-radius: var(--r-md, 10px);
  background: var(--surface, #fff);
  color: var(--ink, #0f1419);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.measure-tool:hover { background: var(--surface-muted, #f4f6f8); }
.measure-tool[aria-checked="true"] {
  border-color: var(--accent, #0066cc);
  background: rgba(0, 102, 204, 0.06);
}
.measure-tool__name {
  font-weight: 600;
  font-size: var(--text-sm, 0.875rem);
}
.measure-tool__hint {
  font-size: 11px;
  color: var(--ink-muted, #4a5560);
}

.measure-cal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.measure-cal-state {
  font-size: var(--text-sm, 0.875rem);
  font-weight: 500;
}
.measure-cal-state[data-state="set"] { color: #2bb673; }

.measure-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.measure-list__empty {
  font-size: var(--text-sm, 0.875rem);
  color: var(--ink-muted, #4a5560);
  font-style: italic;
}
.measure-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  background: var(--surface-muted, #f4f6f8);
  border-radius: var(--r-sm, 8px);
  font-size: var(--text-sm, 0.875rem);
}
.measure-list__label {
  display: flex;
  flex-direction: column;
}
.measure-list__name { font-weight: 600; }
.measure-list__detail {
  font-size: 11px;
  color: var(--ink-muted, #4a5560);
}
.measure-list__value {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.measure-list__remove {
  background: none;
  border: 0;
  color: var(--ink-muted, #4a5560);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 4px;
}
.measure-list__remove:hover { color: #d04a4a; }

/* ----- How it works + FAQ ----- */
.measure-how, .measure-faq {
  margin-top: var(--s-7, 56px);
  max-width: 760px;
}
.measure-how__title, .measure-faq__title {
  font-size: clamp(1.4rem, 2.4vw, 1.875rem);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.measure-how__steps {
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--ink, #0f1419);
  font-size: var(--text-base);
  line-height: 1.55;
}
.measure-how__steps strong { color: var(--ink, #0f1419); }

.measure-faq details {
  border-top: 1px solid var(--line, #e5eaef);
  padding: 14px 0;
}
.measure-faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.measure-faq summary::-webkit-details-marker { display: none; }
.measure-faq summary::after {
  content: "+";
  font-size: 22px;
  color: var(--ink-muted, #4a5560);
  transition: transform 160ms ease;
}
.measure-faq details[open] summary::after { content: "−"; }
.measure-faq p {
  margin: 10px 0 0;
  color: var(--ink-muted, #4a5560);
  line-height: 1.55;
}
.measure-faq code {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.92em;
  background: var(--surface-muted, #f4f6f8);
  padding: 1px 6px;
  border-radius: 4px;
}