:root {
  color-scheme: light;
  --paper: #fbf7ef;
  --ink: #1d1d1d;
  --muted: #6c6a66;
  --panel: rgba(255, 255, 255, 0.72);
  --accent: #b5502e;
  --line: #2d2d2d;
}

@font-face {
  font-family: "Bravura";
  src: url("/static/vendor/fonts/bravura.woff2") format("woff2");
}

@font-face {
  font-family: "Academico";
  src: url("/static/vendor/fonts/academico.woff2") format("woff2");
}

* {
  box-sizing: border-box;
}

.font-preload {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.font-bravura {
  font-family: "Bravura";
}

.font-academico {
  font-family: "Academico";
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(181, 80, 46, 0.12), transparent 28%),
    linear-gradient(180deg, #fdfaf4 0%, var(--paper) 100%);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.loading {
  font-size: 1.2rem;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(29, 29, 29, 0.12);
  border-radius: 22px;
  box-shadow: 0 14px 40px rgba(26, 22, 17, 0.08);
  backdrop-filter: blur(12px);
}

.intro {
  padding: 28px;
  margin-bottom: 24px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Avenir Next", "Gill Sans", sans-serif;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.98;
  margin-bottom: 12px;
}

.intro p,
.summary dd,
.summary dt,
.mode-card p,
.control-copy,
.field-help,
.mode-intervals {
  line-height: 1.5;
}

.input-rules {
  color: var(--muted);
  font-size: 0.95rem;
}

.input-rules summary {
  cursor: pointer;
  user-select: none;
  font-weight: 600;
}

.input-rules p {
  margin: 8px 0 0;
}

.controls {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.controls form {
  display: grid;
  gap: 10px;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(240px, 1.1fr) minmax(120px, 0.7fr) minmax(120px, 0.7fr) auto;
  gap: 10px;
}

.action-row {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.filter-section {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid rgba(29, 29, 29, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.44);
}

.filter-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-title {
  font-size: 1rem;
}

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

.filter-adder {
  display: grid;
  gap: 6px;
}

.filter-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.filter-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.filter-meta-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.selection-count,
.filter-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.filter-empty {
  color: #8b2d18;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.note-input {
  width: 100%;
  border: 1px solid rgba(29, 29, 29, 0.18);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  background: rgba(255, 255, 255, 0.88);
}

.submit-button {
  border: 0;
  border-radius: 14px;
  background: var(--ink);
  color: white;
  padding: 0 18px;
  font: inherit;
  cursor: pointer;
}

.secondary-button {
  border: 1px solid rgba(29, 29, 29, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  padding: 0 14px;
  font: inherit;
  cursor: pointer;
}

.secondary-button:disabled {
  opacity: 0.55;
  cursor: default;
}

.nav-button {
  border: 1px solid rgba(29, 29, 29, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  padding: 0;
  min-width: 48px;
  min-height: 46px;
  font: inherit;
  font-size: 1.1rem;
  cursor: pointer;
}

.nav-button:disabled {
  opacity: 0.55;
  cursor: default;
}

.random-button {
  min-width: 0;
  padding: 0 14px;
  font-size: 0.95rem;
}

.filter-tag {
  border: 1px solid rgba(181, 80, 46, 0.22);
  border-radius: 999px;
  background: rgba(181, 80, 46, 0.1);
  color: var(--ink);
  padding: 7px 12px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
}

.field-help,
.error {
  color: var(--muted);
  font-size: 0.95rem;
}

.error {
  color: #8b2d18;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.95fr);
  gap: 24px;
  align-items: start;
}

.right-rail {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-self: start;
  min-width: 0;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding-right: 4px;
}

.summary,
.clock-card {
  padding: 28px;
  width: 100%;
  position: relative;
  flex: 0 0 auto;
}

.summary dl {
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 10px 16px;
}

.summary dt {
  color: var(--muted);
}

.summary dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

.analysis-link {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.clock-card {
  overflow: hidden;
}

.clock-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.clock-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.reset-button {
  border: 1px solid rgba(29, 29, 29, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.modes {
  display: grid;
  gap: 18px;
}

.mode-card {
  padding: 20px;
}

.mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.mode-title-block {
  min-width: 0;
}

.mode-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-button {
  border: 1px solid rgba(29, 29, 29, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  width: 30px;
  height: 30px;
  padding: 0;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
}

.play-button {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

.play-button:hover {
  transform: translateY(-1px);
}

.play-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.staff-svg,
.clock-svg {
  width: 100%;
  height: auto;
  display: block;
}

.notation-host {
  min-height: 132px;
  overflow-x: auto;
}

.mode-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 10px;
}

.mode-intervals {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(29, 29, 29, 0.3);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 28px 20px;
  overflow-y: auto;
  z-index: 20;
}

.detail-dialog {
  width: min(1120px, 100%);
  padding: 24px;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.detail-close {
  border: 1px solid rgba(29, 29, 29, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}

.detail-scale-notation {
  margin-bottom: 18px;
}

.harmonic-rows {
  display: grid;
  gap: 14px;
}

.harmonic-row {
  border: 1px solid rgba(29, 29, 29, 0.1);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.52);
}

.harmonic-row-meta h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.harmonic-row-meta p {
  margin: 0 0 4px;
}

.harmonic-notation-host {
  margin-top: 10px;
  overflow-x: auto;
}

@media (max-width: 860px) {
  .content-grid,
  .field-row,
  .filter-adders {
    grid-template-columns: 1fr;
  }

  .right-rail {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
}