:root {
  --sky-top: #7ed7ff;
  --sky-mid: #9fe7ff;
  --sky-bottom: #dff7ff;
  --panel: rgba(255, 252, 243, 0.9);
  --panel-strong: rgba(255, 254, 248, 0.96);
  --panel-line: rgba(35, 57, 79, 0.12);
  --text: #203247;
  --muted: #56718e;
  --primary: #f04f34;
  --primary-dark: #c03a24;
  --gold: #ffc842;
  --shadow: 0 18px 50px rgba(20, 54, 86, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.55), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(255, 214, 113, 0.26), transparent 24%),
    linear-gradient(180deg, var(--sky-top), var(--sky-mid) 44%, var(--sky-bottom));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0, rgba(255, 255, 255, 0.08) 1px, transparent 1px, transparent 96px),
    linear-gradient(rgba(255, 255, 255, 0.08) 0, rgba(255, 255, 255, 0.08) 1px, transparent 1px, transparent 96px);
  opacity: 0.22;
  pointer-events: none;
}

.sprint-app {
  width: min(1260px, calc(100% - 28px));
  margin: 0 auto;
  padding: 26px 0 44px;
}

.sprint-topbar,
.sprint-status-panel,
.sprint-stage-panel,
.info-card {
  border: 1px solid var(--panel-line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.sprint-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding: 14px 18px;
  border-radius: 24px;
  background: rgba(32, 60, 96, 0.22);
}

.sprint-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sprint-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #ffffff;
}

.sprint-brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffdf6f, #f08435);
  color: #203247;
  font-weight: 900;
}

.sprint-brand-copy {
  display: grid;
  gap: 2px;
}

.sprint-brand-copy span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.sprint-return,
.sprint-support,
.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border: none;
  border-radius: 999px;
  text-decoration: none;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.sprint-return,
.action-button {
  color: #183049;
  background: linear-gradient(135deg, #ffffff, #dceeff);
}

.sprint-support,
.action-button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.sprint-return:hover,
.sprint-support:hover,
.action-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(20, 54, 86, 0.2);
}

.sprint-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 24px;
  margin-bottom: 24px;
  align-items: start;
}

.sprint-copy {
  color: #ffffff;
  padding: 18px 8px 0 6px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.82);
}

.eyebrow.dark {
  color: var(--muted);
}

.sprint-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 0.98;
}

.sprint-copy p:last-child {
  margin: 0;
  max-width: 720px;
  line-height: 1.65;
  font-size: 1.03rem;
  color: rgba(255, 255, 255, 0.9);
}

.sprint-status-panel,
.sprint-stage-panel,
.info-card {
  background: var(--panel);
}

.sprint-status-panel {
  padding: 22px;
  border-radius: 30px;
}

.status-copy h2 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.notice-text,
.panel-copy {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.metric-card {
  padding: 14px 16px;
  border-radius: 20px;
  background: var(--panel-strong);
  border: 1px solid rgba(35, 57, 79, 0.08);
}

.metric-card span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.metric-card strong {
  font-size: 1.35rem;
}

.action-row,
.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sprint-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 24px;
  align-items: start;
}

.sprint-stage-panel {
  padding: 18px;
  border-radius: 30px;
}

.sprint-stage-shell {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.35), transparent 22%),
    linear-gradient(180deg, #73d1ff, #dff7ff 68%);
  border: 1px solid rgba(35, 57, 79, 0.08);
}

.sprint-canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

.sprint-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(16, 36, 55, 0.72);
  backdrop-filter: blur(8px);
  color: #ffffff;
}

.sprint-overlay[hidden] {
  display: none !important;
}

.sprint-overlay-card {
  width: min(100%, 560px);
  display: grid;
  gap: 14px;
  padding: 28px 30px;
  border-radius: 28px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 24%),
    rgba(41, 83, 117, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    0 24px 60px rgba(8, 21, 33, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.overlay-kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.82);
}

.sprint-overlay h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.overlay-message {
  margin: 0 auto;
  max-width: 520px;
  line-height: 1.6;
}

.overlay-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.92);
}

.overlay-stats span {
  min-width: 140px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sprint-side-panel {
  display: grid;
  gap: 18px;
}

.info-card {
  padding: 20px;
  border-radius: 26px;
}

.help-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
  line-height: 1.65;
}

.touch-controls {
  display: none;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.touch-button {
  min-height: 58px;
  border: none;
  border-radius: 18px;
  font: inherit;
  font-size: 1.5rem;
  font-weight: 900;
  color: #183049;
  background: linear-gradient(135deg, #ffffff, #dceeff);
  box-shadow: 0 10px 24px rgba(20, 54, 86, 0.15);
}

.touch-button.jump {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.sprint-seo {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.info-card.wide {
  grid-column: span 1;
}

@media (max-width: 1060px) {
  .sprint-hero,
  .sprint-layout,
  .sprint-seo {
    grid-template-columns: 1fr;
  }

  .info-card.wide {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  .sprint-app {
    width: min(100% - 18px, 100%);
    padding-top: 16px;
  }

  .sprint-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .sprint-topbar-actions,
  .action-row {
    flex-direction: column;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .touch-controls {
    display: grid;
  }
}