@import url("../common/styles.css");
@import url("../common/theme_resonance_shared.css");

* { box-sizing: border-box; }

body { padding: 28px; }

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-nav {
  padding: 14px 18px;
  background: linear-gradient(145deg, rgba(17, 21, 31, 0.62), rgba(12, 15, 22, 0.4));
  border: 1px solid var(--frame-ghost);
  border-radius: 20px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.24), 0 0 28px rgba(86, 112, 210, 0.08);
  backdrop-filter: blur(8px);
}

.site-nav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: center;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
}

.site-nav .brand {
  margin: 0;
  font-size: var(--type-title-size);
  line-height: var(--type-title-line);
  font-weight: var(--type-title-weight);
  letter-spacing: 0.2px;
}

.site-nav a {
  color: inherit;
  text-decoration: none;
  font-weight: 400;
}

.site-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(230, 233, 239, 0.6);
}

.site-nav a[aria-current="page"] {
  font-weight: 600;
}

.site-nav .brand a {
  font-weight: inherit;
}

.page-shell {
  max-width: 2800px;
  margin: 0 auto 60px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-row {
  flex-wrap: nowrap;
}
.hero-controls-left {
  min-width: 0;
  flex: 1 1 auto;
  flex-wrap: nowrap;
}
.hero-subtitle {
  display: none;
}
.hero-actions {
  gap: 10px;
  flex-wrap: nowrap;
  min-width: 0;
  flex: 0 0 auto;
  margin-left: 12px;
}

.hero-brand-link {
  color: rgba(230, 233, 239, 0.88);
  text-decoration: none;
  font-size: var(--type-title-size);
  line-height: var(--type-title-line);
  font-weight: 500;
  white-space: nowrap;
}

.hero-brand-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(230, 233, 239, 0.55);
}

.hero-row button {
  margin-top: 0;
}

.hero-row select {
  width: auto;
}

.hero-control {
  display: inline-flex;
  align-items: center;
  height: var(--hero-control-height);
  border-radius: var(--hero-control-radius);
  font-size: var(--type-label-size);
  line-height: 1;
  font-family: inherit;
  font-weight: 400;
}

.hero-control * {
  line-height: 1;
}

.measure-select {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 var(--hero-control-padding-inline);
  background: var(--hero-control-bg);
  border: var(--hero-control-border);
  color: var(--hero-control-text);
  white-space: nowrap;
}
.measure-label {
  color: var(--muted);
  font-size: var(--type-label-size);
  line-height: inherit;
  font-weight: 400;
  align-self: center;
}
.measure-dropdown {
  height: 100%;
  display: inline-flex;
  align-items: center;
  width: auto;
  background: transparent;
  border: none;
  color: var(--ink);
  font-size: inherit;
  line-height: inherit;
  font-weight: inherit;
  font-family: inherit;
  outline: none;
  appearance: none;
  padding-right: 20px;
  background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.45) 50%), linear-gradient(135deg, rgba(255,255,255,0.45) 50%, transparent 50%);
  background-position: calc(100% - 10px) calc(50% + 1px), calc(100% - 5px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.measure-dropdown option {
  color: #0f1115;
}

.ghost-btn,
.primary-btn {
  padding: 0 16px;
  border: var(--hero-control-border);
  background: var(--hero-control-bg);
  color: var(--hero-control-text);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ghost-btn:hover,
.primary-btn:hover {
  background: color-mix(in srgb, var(--panel) 65%, var(--bg));
  color: var(--ink);
}
.primary-btn {
  background: linear-gradient(135deg, #f0c27b, #f5af19);
  color: #0f1115;
  border-color: transparent;
  font-weight: 500;
  padding-left: var(--hero-control-padding-inline);
  padding-right: var(--hero-control-padding-inline);
}
.primary-btn:hover {
  filter: brightness(1.05);
}
#btn_record {
  height: calc(var(--hero-control-height) - 1px);
}
.record-dot {
  display: inline-block;
  align-self: center;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(35, 27, 16, 0.65);
  margin-right: 8px;
  box-shadow: 0 0 0 4px rgba(35, 27, 16, 0.15);
}
.recording-dropdown {
  height: var(--hero-control-height);
  display: inline-flex;
  align-items: center;
  width: clamp(12ch, 22vw, 30ch);
  min-width: 12ch;
  max-width: 30ch;
  padding: 0 24px 0 12px;
  border: var(--hero-control-border);
  background: var(--hero-control-bg);
  color: rgba(255, 255, 255, 0.7);
  font-size: inherit;
  line-height: inherit;
  font-weight: inherit;
  font-family: inherit;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  overflow: hidden;
  text-overflow: ellipsis;
  background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.45) 50%), linear-gradient(135deg, rgba(255,255,255,0.45) 50%, transparent 50%);
  background-position: calc(100% - 11px) calc(50% + 1px), calc(100% - 6px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.recording-dropdown option {
  color: #0f1115;
}

#btn_save_audio {
  color: rgba(230, 233, 239, 0.72);
  border-color: rgba(255, 255, 255, 0.06);
  background: color-mix(in srgb, var(--panel) 60%, var(--bg));
}

.data-chip {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.25);
  color: rgba(255, 255, 255, 0.78);
}

.btn-small {
  padding: 6px 10px;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
  border-radius: 10px;
}

#btn_wave_tone,
#btn_wave_record,
#btn_wave_play {
  background: rgba(7, 10, 16, 0.95);
  color: rgba(230, 233, 239, 0.92);
  border-color: rgba(255, 255, 255, 0.14);
}

#btn_wave_tone:hover,
#btn_wave_tone:focus-visible,
#btn_wave_tone.is-active {
  background: linear-gradient(135deg, #f0c27b, #f5af19);
  color: #0f1115;
  border-color: transparent;
}

#btn_wave_record:hover,
#btn_wave_record:focus-visible,
#btn_wave_record.is-active {
  background: linear-gradient(135deg, #ce4a4a, #b83535);
  color: #fff5f5;
  border-color: transparent;
}

#btn_wave_play:hover,
#btn_wave_play:focus-visible,
#btn_wave_play.is-active {
  background: linear-gradient(135deg, #2f9f65, #267f50);
  color: #f2fff7;
  border-color: transparent;
}

#btn_wave_stop:hover,
#btn_wave_stop:focus-visible,
#btn_import:hover,
#btn_import:focus-visible {
  background: rgba(255, 255, 255, 0.92);
  color: #0f1115;
  border-color: transparent;
}

.card-surface {
  position: relative;
  background: linear-gradient(152deg, rgba(19, 24, 35, 0.78), rgba(10, 14, 22, 0.62));
  border: 1px solid var(--frame-ghost);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32), 0 0 46px rgba(101, 122, 214, 0.1);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}

.card-surface::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/starfield.png");
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  filter: saturate(0.25) contrast(1.3) brightness(.3);
  pointer-events: none;
  z-index: 0;
}

.card-surface::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 28% 42%, rgba(111, 156, 255, 0.2), transparent 44%),
    radial-gradient(circle at 56% 47%, rgba(243, 188, 102, 0.16), transparent 40%),
    radial-gradient(circle at 74% 48%, rgba(102, 216, 180, 0.14), transparent 38%);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}

.card-surface > * {
  position: relative;
  z-index: 1;
}

.lfs-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding-bottom: 4px;
}
.lfs-header h2 {
  margin: 0;
  font-size: var(--type-title-size);
  line-height: var(--type-title-line);
  font-weight: var(--type-title-weight);
}
.muted {
  color: var(--muted);
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
}
.small {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.toggle input { display: none; }
.toggle-label {
  color: var(--muted);
  font-size: var(--type-label-size);
  line-height: 1;
  font-weight: var(--type-label-weight);
  white-space: nowrap;
}
.toggle-knob {
  width: 46px;
  height: 24px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 30%, var(--panel));
  position: relative;
  transition: background 0.2s ease;
  border: 1px solid var(--border-soft);
}
.toggle-knob::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #f5f7fb;
  transition: transform 0.2s ease;
  box-shadow: 0 3px 10px rgba(0,0,0,0.3);
}
.toggle input:checked + .toggle-label + .toggle-knob {
  background: linear-gradient(135deg, #f0c27b, #f5af19);
}
.toggle input:checked + .toggle-label + .toggle-knob::after {
  transform: translateX(22px);
}
.mode-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 180px));
  justify-content: start;
  gap: 12px;
}
.mode-card {
  position: relative;
  padding: 14px 16px;
  height: 152px;
  border-radius: 16px;
  background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.05), transparent 60%),
              linear-gradient(135deg, rgba(78, 111, 156, 0.35), rgba(26, 31, 43, 0.9));
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  display: grid;
  grid-auto-rows: min-content;
  row-gap: 6px;
  align-content: start;
}
.mode-card.mode-air { background: linear-gradient(135deg, rgba(213,94,0,0.40), rgba(36,22,15,0.9)); }
.mode-card.mode-top { background: linear-gradient(135deg, rgba(0,158,115,0.42), rgba(17,30,24,0.9)); }
.mode-card.mode-back { background: linear-gradient(135deg, rgba(204,121,167,0.40), rgba(30,22,30,0.9)); }
.mode-card.mode-long { background: linear-gradient(135deg, rgba(0,114,178,0.45), rgba(19,28,42,0.92)); }
.mode-card.mode-cross { background: linear-gradient(135deg, rgba(213,94,0,0.44), rgba(40,23,15,0.92)); }
.mode-card.mode-transverse { background: linear-gradient(135deg, rgba(204,121,167,0.42), rgba(38,24,36,0.92)); }
.mode-card.mode-custom { background: linear-gradient(140deg, rgba(20, 24, 34, 0.95), rgba(10, 12, 18, 0.96)); }
.mode-card h3 {
  margin: 0;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
}
.mode-card.mode-air { --mode-dot: #D55E00; }
.mode-card.mode-top { --mode-dot: #009E73; }
.mode-card.mode-back { --mode-dot: #CC79A7; }
.mode-card.mode-long { --mode-dot: #0072b2; }
.mode-card.mode-cross { --mode-dot: #d55e00; }
.mode-card.mode-transverse { --mode-dot: #cc79a7; }
.mode-card.mode-custom { --mode-dot: #0072b2; }
.mode-card.mode-card-add {
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(150deg, rgba(8, 11, 17, 0.96), rgba(4, 6, 10, 0.96));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  cursor: pointer;
  align-content: start;
  justify-items: start;
  padding: 14px 16px;
  row-gap: 8px;
}
.mode-card.mode-card-add:hover {
  border-color: rgba(245, 196, 111, 0.45);
  background: linear-gradient(150deg, rgba(12, 15, 22, 0.98), rgba(6, 8, 12, 0.98));
}
.mode-card-add-plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(245, 196, 111, 0.45);
  color: rgba(245, 196, 111, 0.92);
  font-size: 30px;
  line-height: 1;
  font-weight: 400;
  margin-top: 2px;
}
.mode-card-add-title {
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
  color: rgba(245, 245, 245, 0.82);
  letter-spacing: 0.2px;
  margin-left: 2px;
}

.mode-title {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  position: relative;
  cursor: help;
  outline: none;
}
.mode-title.mode-title-custom {
  cursor: pointer;
}
.mode-title:focus-visible { box-shadow: 0 0 0 2px rgba(245, 196, 111, 0.35); border-radius: 10px; }
.mode-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--mode-dot, rgba(255,255,255,0.5));
  box-shadow: 0 0 0 3px rgba(0,0,0,0.2);
}
.mode-alias {
  color: rgba(255,255,255,0.72);
  font-weight: 550;
  letter-spacing: 0.2px;
}
.mode-alias::before {
  content: "—";
  color: rgba(255,255,255,0.35);
  margin-right: 10px;
}
.mode-alias sub { font-size: 0.7em; vertical-align: -0.2em; }

.mode-title[data-tooltip]::after,
.mode-title[data-tooltip]::before {
  position: absolute;
  left: 12px;
  top: calc(100% + 8px);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 30;
}
.mode-title[data-tooltip]::before {
  content: "";
  width: 10px;
  height: 10px;
  background: rgba(14, 17, 25, 0.98);
  border-left: 1px solid rgba(245, 196, 111, 0.28);
  border-top: 1px solid rgba(245, 196, 111, 0.28);
  transform: translateY(-2px) rotate(45deg);
}
.mode-title[data-tooltip]::after {
  content: attr(data-tooltip);
  margin-top: 8px;
  max-width: 360px;
  white-space: pre-line;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(14, 17, 25, 0.98);
  border: 1px solid rgba(245, 196, 111, 0.28);
  color: rgba(245, 245, 245, 0.92);
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  box-shadow: 0 14px 46px rgba(0,0,0,0.45);
}
.mode-title:hover::after,
.mode-title:hover::before,
.mode-title:focus-visible::after,
.mode-title:focus-visible::before {
  opacity: 1;
  transform: translateY(0);
}

.plot-mode-label {
  pointer-events: none;
  opacity: 0.92;
  font-size: 28px;
  line-height: var(--type-value-line);
  font-weight: var(--type-value-weight);
}
.mode-primary-row {
  display: block;
}
.mode-primary-table {
  width: auto;
  border-collapse: collapse;
}
.mode-primary-value {
  font-size: var(--type-value-size);
  font-weight: var(--type-value-weight);
  margin: 0;
  line-height: var(--type-value-line);
  letter-spacing: 0.2px;
  white-space: nowrap;
  padding-right: 12px;
  vertical-align: bottom;
}
.mode-primary-meta {
  white-space: nowrap;
  text-align: left;
  vertical-align: bottom;
  padding-bottom: 1px;
}
.mode-primary-note {
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
}
.mode-primary-unit {
  margin-top: 2px;
  display: block;
}
.mode-unit {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  color: rgba(255,255,255,0.62);
  font-weight: var(--type-meta-weight);
  margin-left: 0;
}
.mode-override-reset {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  margin-left: 0;
  color: rgba(142, 203, 255, 0.9);
  text-decoration: none;
  white-space: nowrap;
}
.mode-override-reset:hover { text-decoration: underline; }

.mode-note-name {
  letter-spacing: 0.2px;
  font-size: var(--type-label-size);
  line-height: 1;
  font-weight: var(--type-label-weight);
  color: rgba(255,255,255,0.88);
}
.mode-note-cents {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255,255,255,0.55);
}
.mode-note-cents.positive { color: rgba(245,196,111,0.80); }
.mode-note-cents.negative { color: rgba(255, 180, 180, 0.80); }
.mode-proximity-chip {
  margin-left: 4px;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  letter-spacing: 0.2px;
  text-transform: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255,255,255,0.78);
}
.mode-proximity-high { color: #ffd0b5; }
.mode-proximity-med { color: #ffe0a5; }
.mode-proximity-low { color: #bfe8ff; }

.mode-behavior {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255,255,255,0.58);
  letter-spacing: 0.2px;
}
.mode-target {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255,255,255,0.52);
}
.overlay-off .mode-target {
  display: none;
}
.mode-target-link {
  color: rgba(245,196,111,0.85);
  text-decoration: none;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
}
.mode-target-link:hover { text-decoration: underline; }
.mode-target-row {
  display: inline-flex;
  align-items: baseline;
  justify-content: space-between;
  width: 100%;
  gap: 10px;
}
.mode-target-main {
  min-width: 0;
}
.mode-target-input {
  width: 62px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(245,196,111,0.28);
  background: rgba(0,0,0,0.18);
  color: rgba(255,255,255,0.92);
  font-weight: 700;
  outline: none;
}
.mode-target-input:focus { box-shadow: 0 0 0 2px rgba(245,196,111,0.22); }
.mode-target-unit {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255,255,255,0.55);
  margin-left: 6px;
}

@media (max-width: 700px) {
  .mode-grid {
    grid-template-columns: 1fr;
  }
}
.mode-delta {
  margin-top: 4px;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255,255,255,0.50);
}

.pencil {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.25);
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.mode-card:hover .pencil {
  opacity: 1;
  transform: translateY(0);
}
.mode-card-delete {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.25);
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.12s ease, transform 0.12s ease, color 0.12s ease;
}
.mode-card:hover .mode-card-delete {
  opacity: 1;
  transform: translateY(0);
}
.mode-card-delete:hover {
  color: rgba(255, 140, 140, 0.92);
}

.summary-line {
  margin: 0;
  color: var(--muted);
}

.section-divider {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, rgba(138, 162, 255, 0.22), transparent);
  margin: 8px 0 2px;
}

.plot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2px;
}
.plot-header h2 {
  margin: 0;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
  letter-spacing: 0.2px;
}
.plot-header p {
  margin: 2px 0 0;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
}
.plot-header-copy {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.plot-header-copy p {
  margin: 0;
}
.toolbar {
  display: flex;
  gap: 8px;
}
.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--panel) 88%, var(--bg));
  color: var(--ink);
  cursor: pointer;
}
.icon-btn:hover { background: color-mix(in srgb, var(--orange) 20%, var(--panel)); color: #0f1115; }

.plot {
  width: 100%;
  height: clamp(180px, 32vh, 420px);
  border-radius: 14px;
  border: 1px solid rgba(140, 166, 255, 0.04);
  background: rgba(8, 12, 21, 0.38);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.015);
}
.wave-surface .plot.waveform {
  height: 80px;
}

#plot_fft {
  border-color: rgba(140, 166, 255, 0.03);
  background:
    radial-gradient(circle at 38% 42%, rgba(103, 140, 255, 0.08), transparent 52%),
    radial-gradient(circle at 57% 45%, rgba(242, 181, 87, 0.065), transparent 44%),
    radial-gradient(circle at 73% 46%, rgba(96, 222, 185, 0.055), transparent 40%),
    rgba(8, 12, 21, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.01), 0 0 42px rgba(92, 120, 216, 0.09);
}

/* Plotly hover: add glow + gold edge (mode tooltips use hoverlabel overrides). */
#plot_fft .hoverlayer .hovertext {
  filter:
    drop-shadow(0 18px 45px rgba(0,0,0,0.55))
    drop-shadow(0 0 10px rgba(245,196,111,0.20));
}

#plot_energy_transfer .hoverlayer .hovertext {
  filter:
    drop-shadow(0 18px 45px rgba(0,0,0,0.55))
    drop-shadow(0 0 10px rgba(245,196,111,0.20));
}

.wave-surface {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wave-note-override-popover {
  position: absolute;
  z-index: 120;
  width: min(320px, calc(100% - 24px));
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(140, 166, 255, 0.28);
  background: rgba(8, 12, 21, 0.94);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.45);
}

.wave-note-override-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: 700;
}

.wave-note-override-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.wave-note-override-input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(140, 166, 255, 0.36);
  background: rgba(0, 0, 0, 0.22);
  color: rgba(255, 255, 255, 0.95);
  padding: 8px 10px;
  outline: none;
}

.wave-note-override-input:focus {
  box-shadow: 0 0 0 2px rgba(110, 236, 216, 0.25);
}

.wave-note-override-actions {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.energy-surface {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.energy-transfer-plot {
  height: clamp(140px, 22vh, 260px);
}

.wave-transport-inline {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.transport-icon {
  display: inline-block;
  margin-right: 6px;
  font-size: 0.9em;
  line-height: 1;
}

.wave-legend {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: 12px;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255, 255, 255, 0.65);
}

.wave-legend .legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.2);
}

.wave-legend .legend-dot {
  width: 10px;
  height: 4px;
  border-radius: 999px;
  background: currentColor;
}

.legend-chip.note { color: #8ecbff; }
.legend-chip.tap { color: rgba(245, 196, 111, 0.9); }
.legend-chip.manual { color: rgba(245, 196, 111, 0.75); }

.try-panel {
  margin-top: 2px;
  padding: 0;
  border: 0;
  background: transparent;
}
.try-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.try-card {
  border: 0;
  background: transparent;
  padding: 0;
}
.try-label {
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
  color: rgba(245,196,111,0.85);
  letter-spacing: 0.2px;
  padding-top: 1px;
}
.try-list {
  margin: 0;
  padding-left: 18px;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: rgba(255,255,255,0.66);
}
.try-list li { margin: 2px 0; }

.dof-model-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.dof-model-copy h2 {
  margin: 0;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: var(--type-label-weight);
  letter-spacing: 0.2px;
}

.dof-model-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 2px;
}

.dof-model-link {
  margin-left: auto;
  white-space: nowrap;
}

.dof-toggle .toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.plot-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  opacity: 0.72;
}
.link-row {
  display: flex;
  gap: 14px;
}
.link {
  color: #61a8ff;
  text-decoration: none;
}
.link:hover { text-decoration: underline; }

@media (max-width: 900px) {
  body { padding: 18px; }
  .hero { gap: 12px; }
  .hero-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .hero-controls-left {
    width: 100%;
    flex-wrap: wrap;
  }
  .recording-dropdown {
    width: 100%;
    min-width: 0;
  }
  .hero-actions { width: 100%; flex-wrap: wrap; justify-content: flex-start; }
  .plot { height: clamp(180px, 30vh, 360px); }
  .wave-surface .plot.waveform { height: 160px; }
}

@media (max-width: 1440px) {
  body::before {
    background:
      radial-gradient(circle at 22% 12%, rgba(88, 122, 230, 0.3), transparent 44%),
      radial-gradient(circle at 50% 42%, rgba(243, 183, 98, 0.24), transparent 40%),
      radial-gradient(circle at 72% 30%, rgba(92, 214, 193, 0.18), transparent 42%);
  }

  .site-nav,
  .hero,
  .card-surface {
    border-color: rgba(145, 172, 255, 0.07);
  }

  #plot_fft {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.01), 0 0 58px rgba(98, 124, 222, 0.13);
  }
}