:root {
  color-scheme: light;
  --ink: #17211e;
  --muted: #52615d;
  --paper: #f7f4ee;
  --surface: #fffdf7;
  --line: rgba(23, 33, 30, 0.14);
  --green: #2f6b57;
  --green-dark: #1c463a;
  --rose: #b45c61;
  --gold: #d6a544;
  --blue: #386b8f;
  --shadow: 0 24px 70px rgba(32, 43, 39, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(130deg, rgba(47, 107, 87, 0.11), transparent 35%),
    linear-gradient(310deg, rgba(180, 92, 97, 0.11), transparent 38%),
    var(--paper);
}

button,
input,
select {
  font: inherit;
}

a {
  color: var(--green-dark);
  font-weight: 700;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 0;
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(330px, 0.78fr);
  gap: 22px;
  align-items: stretch;
}

.main-stack {
  min-width: 0;
  display: grid;
  gap: 22px;
}

.sound-panel,
.pitch-panel,
.tools-panel,
.finder-panel,
.guide-panel {
  background: rgba(255, 253, 247, 0.88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  border-radius: 8px;
}

.sound-panel {
  min-height: min(820px, calc(100vh - 64px));
  padding: clamp(22px, 3vw, 36px);
  display: flex;
  flex-direction: column;
}

.pitch-panel,
.tools-panel,
.finder-panel {
  padding: clamp(20px, 3vw, 28px);
}

.guide-panel {
  padding: 24px;
  align-self: start;
  position: sticky;
  top: 24px;
}

.brand-row,
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.section-heading.compact {
  align-items: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 730px;
  margin: 0;
  padding-bottom: 0.08em;
  font-size: clamp(2.15rem, 5vw, 5.2rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 1.7rem;
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  letter-spacing: 0;
}

.status-pill {
  flex: 0 0 auto;
  min-width: 74px;
  padding: 8px 12px;
  border: 1px solid rgba(47, 107, 87, 0.24);
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(47, 107, 87, 0.09);
  font-size: 0.88rem;
  font-weight: 800;
  text-align: center;
}

.visual-wrap {
  position: relative;
  min-height: 360px;
  margin: clamp(28px, 6vh, 66px) 0 24px;
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(circle at 28% 38%, rgba(214, 165, 68, 0.28), transparent 33%),
    linear-gradient(145deg, #173d36 0%, #285d51 45%, #7d5559 100%);
}

#noise-visual {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  pointer-events: none;
}

.play-button {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: clamp(128px, 22vw, 170px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  gap: 8px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  color: #fffdf7;
  background: rgba(23, 33, 30, 0.42);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease;
}

.play-button:hover {
  transform: translate(-50%, -50%) scale(1.03);
  background: rgba(23, 33, 30, 0.54);
}

.play-button:focus-visible,
.secondary-button:focus-visible,
.mini-button:focus-visible,
.tab:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(214, 165, 68, 0.9);
  outline-offset: 3px;
}

.play-icon {
  width: 0;
  height: 0;
  border-top: 20px solid transparent;
  border-bottom: 20px solid transparent;
  border-left: 31px solid currentColor;
  margin-left: 8px;
}

.play-button.is-playing .play-icon {
  width: 34px;
  height: 38px;
  border: 0;
  margin-left: 0;
  background: linear-gradient(90deg, currentColor 0 34%, transparent 34% 66%, currentColor 66% 100%);
}

.play-button span:last-child {
  font-weight: 850;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.control {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.46);
}

.wide-control {
  margin-top: 16px;
}

.control span {
  font-weight: 780;
}

.control output {
  color: var(--muted);
  font-size: 0.92rem;
}

.control input,
.control select {
  grid-column: 1 / -1;
  width: 100%;
}

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

select {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fffdf7;
}

input[type="search"] {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fffdf7;
  padding: 0 12px;
}

.secondary-button,
.mini-button {
  border: 1px solid rgba(47, 107, 87, 0.24);
  border-radius: 7px;
  color: var(--green-dark);
  background: rgba(47, 107, 87, 0.09);
  cursor: pointer;
  font-weight: 830;
}

.secondary-button {
  min-height: 42px;
  padding: 0 16px;
}

.secondary-button.is-active {
  color: #fffdf7;
  background: var(--green-dark);
}

.mini-button {
  min-height: 38px;
  padding: 0 12px;
  font-size: 0.9rem;
}

.pitch-display {
  margin-top: 18px;
  padding: 18px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(56, 107, 143, 0.25);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(56, 107, 143, 0.1), transparent),
    rgba(255, 255, 255, 0.5);
}

.pitch-display strong {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.pitch-display span {
  color: var(--muted);
  font-weight: 780;
  text-align: right;
}

.pitch-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.pitch-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.8fr);
  gap: 14px;
  margin-top: 14px;
}

.tone-volume {
  margin: 0;
}

.match-card {
  min-width: 0;
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.46);
}

.match-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.save-button {
  width: 100%;
}

.compact-note {
  margin-top: 14px;
  padding-top: 0;
}

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

.research-strip {
  margin-top: 14px;
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  border: 1px solid rgba(214, 165, 68, 0.38);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(214, 165, 68, 0.12);
  line-height: 1.45;
}

.research-strip span {
  font-weight: 760;
}

.finder-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 0.35fr) auto;
  gap: 12px;
  align-items: end;
  margin-top: 18px;
}

.place-control,
.region-control {
  margin: 0;
}

.nearby-status {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.45;
}

.nearby-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.nearby-card {
  min-width: 0;
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
}

.nearby-card h3 {
  margin-bottom: 0;
}

.nearby-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.nearby-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nearby-links a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid rgba(47, 107, 87, 0.24);
  border-radius: 7px;
  color: var(--green-dark);
  background: rgba(47, 107, 87, 0.08);
  text-decoration: none;
  font-size: 0.9rem;
}

.support-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.support-strip article {
  padding: 14px;
  border: 1px solid rgba(56, 107, 143, 0.25);
  border-radius: 8px;
  background: rgba(56, 107, 143, 0.08);
}

.support-strip p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.sound-note {
  margin: auto 0 0;
  padding-top: 22px;
  color: var(--muted);
  line-height: 1.55;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 22px 0 16px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 33, 30, 0.05);
}

.tab {
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 820;
}

.tab.is-active {
  color: #fffdf7;
  background: var(--green-dark);
}

.tab-panel {
  display: grid;
  gap: 12px;
}

.tab-panel[hidden] {
  display: none;
}

.info-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.info-card.urgent {
  border-color: rgba(180, 92, 97, 0.38);
  background: rgba(180, 92, 97, 0.09);
}

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .guide-panel {
    position: static;
  }

  .sound-panel {
    min-height: auto;
  }

  .controls-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 580px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding: 10px 0;
    gap: 10px;
  }

  .sound-panel,
  .pitch-panel,
  .tools-panel,
  .finder-panel,
  .guide-panel {
    padding: 18px;
  }

  .brand-row,
  .section-heading {
    display: grid;
  }

  h1 {
    font-size: clamp(2rem, 13vw, 3.2rem);
  }

  .visual-wrap {
    min-height: 300px;
    margin-top: 24px;
  }

  #noise-visual {
    min-height: 300px;
  }

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

  .pitch-display,
  .pitch-bottom {
    grid-template-columns: 1fr;
  }

  .pitch-display {
    display: grid;
    align-items: start;
  }

  .pitch-display span {
    text-align: left;
  }

  .pitch-actions,
  .tool-grid,
  .finder-controls,
  .nearby-list,
  .support-strip {
    grid-template-columns: 1fr;
  }

  .finder-controls {
    align-items: stretch;
  }
}