:root {
  --bg-0: #dfeef4;
  --bg-1: #c8dde6;
  --panel: rgba(245, 250, 252, 0.86);
  --ink: #102538;
  --muted: #406074;
  --line: rgba(15, 39, 59, 0.14);
  --accent: #2e93b7;
  --accent-2: #ea8d62;
  --good: #4fbc9e;
  --danger: #de5c5c;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 20% 20%, rgba(125, 189, 210, 0.55), transparent 70%),
    radial-gradient(1000px 650px at 85% 8%, rgba(174, 208, 225, 0.72), transparent 65%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1));
}

.app-shell {
  display: flex;
  gap: 16px;
  padding: 16px;
  min-height: 100vh;
}

.panel-left {
  flex: 0 0 300px;
}

.panel-right {
  flex: 0 0 340px;
}

.panel,
.center-stage-card {
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 20px 45px rgba(22, 46, 67, 0.16);
  backdrop-filter: blur(8px);
}

.panel {
  padding: 18px;
}

h2,
h3 {
  margin: 0;
  font-family: "Manrope", sans-serif;
}

h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.muted {
  margin: 6px 0 18px;
  color: var(--muted);
}

.control {
  margin-bottom: 16px;
}

.control label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 8px;
}

.control small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin: 14px 0 16px;
}

.btn {
  border: 1px solid rgba(14, 39, 61, 0.22);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  padding: 10px 12px;
  font: 600 0.98rem "IBM Plex Sans", sans-serif;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.9);
}

.btn-primary {
  background: linear-gradient(140deg, #73c5d7, #2e93b7);
  color: #f5feff;
  border-color: rgba(23, 87, 113, 0.4);
}

.snapshot {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 12px;
  margin-top: 10px;
}

.stroke-counts {
  grid-template-columns: 1fr 1fr 1fr;
}

.mini-grid div,
.analytics-grid div {
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
}

.mini-grid span,
.analytics-grid span {
  color: var(--muted);
  font-size: 0.84rem;
  display: block;
}

.mini-grid strong,
.analytics-grid strong {
  font-size: 1.12rem;
}

.center-stage-wrap {
  flex: 1 1 auto;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.top-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-pill {
  background: rgba(9, 30, 45, 0.78);
  color: #e8f5fd;
  border-radius: 10px;
  border: 1px solid rgba(169, 214, 237, 0.25);
  padding: 8px 10px;
  font-size: 0.95rem;
}

.status-pill strong {
  color: #72d0ff;
}

.center-stage-card {
  position: relative;
  padding: 0;
  min-height: 640px;
  overflow: hidden;
}

#threeContainer {
  width: 100%;
  height: 640px;
}

.distance-card {
  position: absolute;
  left: 16px;
  top: 16px;
  width: 240px;
  background: rgba(244, 251, 255, 0.92);
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 10px;
}

.distance-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.distance-card strong {
  display: block;
  margin-top: 5px;
  margin-bottom: 7px;
}

.camera-controls {
  position: absolute;
  right: 16px;
  top: 16px;
  display: flex;
  gap: 6px;
}

.btn-mini {
  padding: 7px 10px;
  font-size: 0.86rem;
}

.roll-indicator {
  position: absolute;
  right: 16px;
  top: 62px;
  background: rgba(244, 251, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 14px;
  width: 142px;
  padding: 10px;
  text-align: center;
}

#rollCanvas {
  width: 120px;
  height: 120px;
}

.energy-bar-wrap {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 14px;
  background: rgba(244, 251, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 10px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}

.progress-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(31, 73, 99, 0.15);
  overflow: hidden;
}

.progress-track i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #4fc7c7, #2f8bc2);
}

.progress-track.energy i {
  width: 100%;
  background: linear-gradient(90deg, #f0a370, #e77d4f);
}

.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.chart-card {
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 8px 10px;
}

.chart-card header {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 5px;
}

.chart-card canvas {
  width: 100%;
  height: 90px;
  display: block;
}

.phase-block {
  margin-top: 14px;
}

.phase-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  margin-top: 8px;
}

.phase-row > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.phase-pill {
  border-radius: 9px;
  border: 1px solid rgba(44, 92, 126, 0.2);
  background: rgba(255, 255, 255, 0.75);
  padding: 4px 7px;
  font-size: 0.84rem;
  color: #2d5f7c;
}

.phase-pill.active {
  border-color: #2e93b7;
  background: rgba(116, 197, 227, 0.38);
  color: #153c52;
  font-weight: 700;
}

.result-card {
  margin-top: 14px;
  border-radius: 14px;
  background: rgba(245, 251, 255, 0.88);
  border: 1px solid rgba(25, 59, 84, 0.2);
  padding: 10px;
}

.hidden {
  display: none;
}

@media (max-width: 1100px) {
  .center-stage-wrap {
    min-width: 280px;
  }
}