/**
 * Aligned In Motion — Movement Explorer
 * Page-scoped styles. Built with existing design system tokens only.
 * Supports complete JS-off progressive enhancement via CSS :has() & sibling selectors.
 */

/* ---------- Hero & Scope ---------- */
.mx-hero {
  padding-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
}

.mx-hero-scope {
  margin: 1.25rem 0 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 48rem;
}

.mx-scope-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem 2rem;
  padding: 0.75rem 0;
}

.mx-scope-strip div {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mx-scope-strip strong {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.mx-scope-strip span {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ---------- Tool Container ---------- */
.mx-tool {
  position: relative;
  display: grid;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

/* Hidden radio controls for progressive enhancement */
.mx-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
  margin: 0;
}

/* ---------- Stage (3D Viewport + Segmented Controls + Position Note) ---------- */
.mx-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow-soft);
}

@media (min-width: 860px) {
  .mx-stage {
    grid-template-columns: minmax(320px, 1.15fr) minmax(300px, 1fr);
    grid-template-rows: auto 1fr;
    column-gap: 2rem;
    row-gap: 1.25rem;
    align-items: start;
  }
}

/* ---------- Viewport Box ---------- */
.mx-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.7;
  min-height: 280px;
  max-height: 480px;
  background: radial-gradient(circle at 50% 42%, #ffffff 0%, #f5f8fb 38%, #e4ecf3 78%, #d5e2ec 100%);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  box-shadow: inset 0 2px 12px rgba(10, 39, 68, 0.06);
}

@media (min-width: 860px) {
  .mx-viewport {
    grid-row: 1 / span 2;
    grid-column: 1;
    height: 100%;
    min-height: 400px;
    max-height: 520px;
  }
}

/* Canvas element (injected by JS) */
.mx-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}

.mx-canvas:active {
  cursor: grabbing;
}

/* 2D Flat SVG Figures (Server Rendered) */
.mx-figures {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.mx-figure-wrap {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.mx-figure {
  width: 100%;
  height: 100%;
  max-width: 320px;
  max-height: 380px;
  overflow: visible;
  color: var(--navy);
}

.mx-figure-ground ellipse {
  fill: rgba(10, 39, 68, 0.08);
}

.mx-figure-club line {
  stroke: var(--navy);
  stroke-width: 3.5;
  stroke-linecap: round;
}

.mx-figure-club circle {
  fill: var(--gold-dark);
}

.mx-bone {
  stroke: var(--navy);
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: stroke 200ms ease, stroke-width 200ms ease;
}

.mx-head {
  fill: var(--navy);
  stroke: none;
}

.mx-figure-body ellipse {
  fill: var(--navy);
  transition: fill 200ms ease;
}

/* Highlighted bone/region states */
.mx-bone--highlight,
.mx-bone.is-highlighted {
  stroke: var(--coral) !important;
}

.mx-head.is-highlighted {
  fill: var(--coral) !important;
}

.mx-figure-body ellipse.is-highlighted {
  fill: var(--coral) !important;
}

/* Viewport Hint & Badges */
.mx-viewport-hint {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background: rgba(10, 39, 68, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  pointer-events: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: opacity 300ms ease;
  z-index: 5;
}

.mx-viewport-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  margin: 0;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1.5px solid var(--line-strong);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 5;
}

/* ---------- 3D DOM Region Hotspots ---------- */
.mx-hotspots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 4;
}

.mx-hotspot {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  min-width: 38px;
  min-height: 38px;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(10, 39, 68, 0.22);
  color: var(--navy);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(10, 39, 68, 0.16);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.mx-hotspot:hover,
.mx-hotspot:focus-visible {
  transform: translate(-50%, -50%) scale(1.06);
  background: #ffffff;
  border-color: var(--navy);
  box-shadow: 0 8px 24px rgba(10, 39, 68, 0.24);
  outline: none;
}

.mx-hotspot.is-active,
.mx-hotspot[aria-pressed="true"] {
  background: linear-gradient(135deg, #ff7b60 0%, #e4573d 100%);
  border-color: #b32d18;
  color: var(--white);
  box-shadow: 0 6px 20px rgba(228, 87, 61, 0.45);
}

.mx-hotspot-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  transition: background 180ms ease;
}

.mx-hotspot.is-active .mx-hotspot-dot,
.mx-hotspot[aria-pressed="true"] .mx-hotspot-dot {
  background: #ffffff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.9);
}

/* ---------- Controls (Segmented Bar + Actions) ---------- */
.mx-controls {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mx-positions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem;
  background: var(--paper);
  padding: 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

@media (min-width: 480px) {
  .mx-positions {
    grid-template-columns: repeat(4, 1fr);
  }
}

.mx-position-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  padding: 0.55rem 0.65rem;
  border-radius: calc(var(--radius) - 4px);
  border: 1.5px solid transparent;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  text-align: center;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.mx-position-btn:hover {
  background: rgba(14, 127, 116, 0.08);
  color: var(--navy);
}

.mx-position-name {
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.2;
}

.mx-position-short {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  line-height: 1.2;
  margin-top: 0.15rem;
}

.mx-view-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.mx-ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--line-strong);
  background: var(--white);
  color: var(--navy);
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.mx-ghost-btn:hover,
.mx-ghost-btn:focus-visible {
  background: var(--paper);
  border-color: var(--navy);
  color: var(--navy-dark);
  outline: none;
}

.mx-ghost-btn[aria-pressed="true"] {
  background: var(--teal-pale);
  border-color: var(--teal);
  color: var(--teal-dark);
}

/* ---------- Position Notes ---------- */
.mx-position-notes {
  position: relative;
}

.mx-position-note {
  display: none;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
}

.mx-position-note h3 {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--navy);
}

.mx-position-note p {
  margin: 0 0 0.65rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.mx-position-note p:last-child {
  margin-bottom: 0;
}

.mx-position-asks {
  padding-top: 0.65rem;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.88rem !important;
  color: var(--navy) !important;
  font-weight: 600;
}

/* ---------- Progressive Enhancement: Radio-driven Position Switching ---------- */
/* Address */
.mx-tool:has(#mx-pos-address:checked) [data-figure-wrap="address"],
.mx-stage:has(#mx-pos-address:checked) [data-position-note="address"] {
  display: flex;
}
.mx-tool:has(#mx-pos-address:checked) [for="mx-pos-address"] {
  background: var(--white);
  border-color: var(--teal);
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
}
.mx-tool:has(#mx-pos-address:checked) [for="mx-pos-address"] .mx-position-short {
  color: var(--teal);
}

/* Backswing */
.mx-tool:has(#mx-pos-backswing:checked) [data-figure-wrap="backswing"],
.mx-stage:has(#mx-pos-backswing:checked) [data-position-note="backswing"] {
  display: flex;
}
.mx-tool:has(#mx-pos-backswing:checked) [for="mx-pos-backswing"] {
  background: var(--white);
  border-color: var(--teal);
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
}
.mx-tool:has(#mx-pos-backswing:checked) [for="mx-pos-backswing"] .mx-position-short {
  color: var(--teal);
}

/* Downswing */
.mx-tool:has(#mx-pos-downswing:checked) [data-figure-wrap="downswing"],
.mx-stage:has(#mx-pos-downswing:checked) [data-position-note="downswing"] {
  display: flex;
}
.mx-tool:has(#mx-pos-downswing:checked) [for="mx-pos-downswing"] {
  background: var(--white);
  border-color: var(--teal);
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
}
.mx-tool:has(#mx-pos-downswing:checked) [for="mx-pos-downswing"] .mx-position-short {
  color: var(--teal);
}

/* Finish */
.mx-tool:has(#mx-pos-finish:checked) [data-figure-wrap="finish"],
.mx-stage:has(#mx-pos-finish:checked) [data-position-note="finish"] {
  display: flex;
}
.mx-tool:has(#mx-pos-finish:checked) [for="mx-pos-finish"] {
  background: var(--white);
  border-color: var(--teal);
  color: var(--teal-dark);
  box-shadow: var(--shadow-soft);
}
.mx-tool:has(#mx-pos-finish:checked) [for="mx-pos-finish"] .mx-position-short {
  color: var(--teal);
}

/* ---------- Progressive Enhancement: Checkbox-driven Region Highlighting ---------- */
.mx-tool:has(#mx-region-upper-back:checked) [data-region="upper-back"] {
  stroke: var(--coral) !important;
}
.mx-tool:has(#mx-region-shoulders:checked) [data-region="shoulders"] {
  stroke: var(--coral) !important;
}
.mx-tool:has(#mx-region-hips:checked) [data-region="hips"] {
  stroke: var(--coral) !important;
}
.mx-tool:has(#mx-region-lower-back:checked) [data-region="lower-back"] {
  stroke: var(--coral) !important;
}
.mx-tool:has(#mx-region-balance:checked) [data-region="balance"] line,
.mx-tool:has(#mx-region-balance:checked) [data-region="balance"] ellipse {
  stroke: var(--coral) !important;
  fill: var(--coral) !important;
}

/* ---------- Region Selection Section ---------- */
.mx-select-title {
  margin: 0 0 0.35rem;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--navy);
}

.mx-select-lead {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: var(--ink-soft);
}

.mx-region-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .mx-region-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .mx-region-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mx-region {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--line);
  background: var(--white);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.mx-region:hover {
  border-color: var(--line-strong);
  background: var(--paper);
  transform: translateY(-2px);
}

.mx-region:has(.mx-region-input:checked) {
  border-color: var(--coral);
  background: #fff8f6;
  box-shadow: 0 8px 24px rgba(228, 87, 61, 0.12);
}

.mx-region-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.mx-region-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mx-region-label {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--navy);
}

.mx-region:has(.mx-region-input:checked) .mx-region-label {
  color: var(--coral-dark);
}

.mx-region-aka {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.mx-region-role {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.45;
  margin-top: 0.35rem;
}

.mx-region-tick {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 6px;
  border: 1.5px solid var(--line-strong);
  background: var(--white);
  display: grid;
  place-items: center;
  transition: border-color 180ms ease, background 180ms ease;
  margin-top: 0.15rem;
}

.mx-region:has(.mx-region-input:checked) .mx-region-tick {
  background: var(--coral);
  border-color: var(--coral);
}

.mx-region:has(.mx-region-input:checked) .mx-region-tick::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-0.5px, -0.5px);
}

/* ---------- Questions Section ---------- */
.mx-questions {
  margin-top: 1rem;
}

.mx-question {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  background: var(--white);
  margin: 0 0 1rem;
  box-shadow: var(--shadow-soft);
}

.mx-question legend {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  padding: 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mx-question-number {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--teal);
  background: var(--teal-pale);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.mx-answer-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

@media (min-width: 640px) {
  .mx-answer-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mx-answer {
  position: relative;
  display: flex;
  align-items: center;
  min-height: var(--touch);
  padding: 0.65rem 0.85rem;
  border-radius: calc(var(--radius) - 4px);
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.mx-answer:hover {
  border-color: var(--line-strong);
  background: var(--white);
}

.mx-answer input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.mx-answer:has(input:checked) {
  border-color: var(--teal);
  background: var(--teal-pale);
  color: var(--teal-dark);
  font-weight: 700;
}

/* ---------- Summary Box ---------- */
.mx-summary {
  position: relative;
  border: 2px solid var(--teal);
  border-radius: var(--radius-lg);
  padding: clamp(1.35rem, 3vw, 2.25rem);
  background: var(--white);
  box-shadow: var(--shadow);
}

.mx-summary-head {
  margin-bottom: 0.75rem;
}

.mx-summary-head .eyebrow {
  margin-bottom: 0.25rem;
}

.mx-summary-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  color: var(--navy);
}

.mx-summary-lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}

.mx-summary-body {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  padding: 1.15rem;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
}

.mx-summary-item {
  font-size: 0.94rem;
  color: var(--ink);
  line-height: 1.55;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.mx-summary-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  margin-top: 0.55rem;
  flex-shrink: 0;
}

.mx-summary-static {
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.55;
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px dashed var(--line-strong);
}

/* When JS is ready, static fallback is hidden */
.mx-tool.js-ready .mx-summary-static {
  display: none;
}

.mx-summary-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.mx-share-status {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin: 0.65rem 0 0;
  min-height: 1.2rem;
}

.mx-disclaimer {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ---------- In-Person "What an evaluation looks at" Grid ---------- */
.mx-looks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .mx-looks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .mx-looks-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mx-looks {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mx-looks h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--navy);
}

.mx-looks-restricted {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

.mx-looks-at {
  margin: 0.35rem 0 0;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--navy);
  line-height: 1.5;
}

.mx-looks-at span {
  display: block;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--teal);
  margin-bottom: 0.15rem;
}

/* ---------- 2D Mode / Reduced Motion Overrides ---------- */
.mx-tool.is-2d .mx-canvas,
.mx-tool.is-2d .mx-hotspots,
.mx-tool.is-2d [data-mx-hint] {
  display: none !important;
}

.mx-tool.is-2d .mx-figures {
  display: grid !important;
}

.mx-tool.is-2d [data-mx-mode-badge] {
  display: inline-block !important;
}

@media (prefers-reduced-motion: reduce) {
  .mx-canvas,
  .mx-hotspots,
  [data-mx-hint] {
    display: none !important;
  }
  .mx-figures {
    display: grid !important;
  }
  [data-mx-mode-badge] {
    display: inline-block !important;
  }
  .mx-hotspot,
  .mx-bone,
  .mx-region,
  .mx-answer,
  .mx-position-btn {
    transition: none !important;
  }
}