:root {
  color-scheme: dark;
  --bg: #08030f;
  --bg-2: #14081f;
  --panel: rgba(18, 10, 28, 0.82);
  --panel-edge: rgba(176, 125, 255, 0.18);
  --text: #f4efff;
  --muted: #b4a6cc;
  --accent: #ff89df;
  --accent-2: #9a7cff;
  --warm: #ffd07a;
  --danger: #ff8ca8;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(154, 124, 255, 0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(255, 137, 223, 0.14), transparent 28%),
    linear-gradient(180deg, #06010b 0%, var(--bg) 42%, #020104 100%);
  color: var(--text);
  position: relative;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.starfield,
.starfield {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 17% 23%, rgba(255, 255, 255, 0.9) 0 1.2px, transparent 1.7px),
    radial-gradient(circle at 72% 18%, rgba(255, 255, 255, 0.72) 0 1px, transparent 1.45px),
    radial-gradient(circle at 31% 76%, rgba(255, 255, 255, 0.58) 0 0.8px, transparent 1.2px),
    radial-gradient(circle at 84% 64%, rgba(255, 255, 255, 0.52) 0 0.7px, transparent 1.05px),
    radial-gradient(circle at 46% 41%, rgba(255, 255, 255, 0.42) 0 0.55px, transparent 0.95px);
  background-size: 170px 170px, 240px 240px, 310px 310px, 390px 390px, 520px 520px;
  background-position: 0 0, 38px 52px, 120px 14px, 64px 176px, 210px 96px;
  opacity: 0.52;
}

button,
select,
input {
  font: inherit;
}

.app-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 8px 24px 24px;
  position: relative;
  z-index: 1;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 18px;
  position: relative;
}

.hero-topbar {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 3;
}

.hero-topbar-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.hero-topbar-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-link-button,
.home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--panel-edge);
  border-radius: 999px;
  background: rgba(22, 12, 30, 0.82);
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.top-link-button {
  padding: 5px 8px;
  animation: process-glow 2.8s ease-in-out infinite;
  flex: 0 0 auto;
  overflow: hidden;
}

.process-link-topbar {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.process-link-banner {
  display: block;
  width: auto;
  height: 48px;
  object-fit: contain;
  transform: scale(1.18);
  transform-origin: center center;
  animation: process-glow 2.8s ease-in-out infinite;
}

.home-link {
  width: 52px;
  height: 52px;
  box-shadow: 0 0 18px rgba(255, 137, 223, 0.14);
}

.home-link-icon {
  font-size: 2rem;
  line-height: 1;
}

.hero-brand {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 140px;
  padding-top: 26px;
}

.hero-brand-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  width: 100%;
}

.hero-banner {
  display: block;
  width: min(100%, 560px);
  height: auto;
  object-fit: contain;
  margin-bottom: 28px;
}

.hero-banner.is-hidden {
  display: none;
}

.is-hidden {
  display: none;
}

.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.2rem, 4vw, 4rem);
}

.intro {
  max-width: 60ch;
  line-height: 1.5;
  color: var(--muted);
}

.header-actions {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin: 0;
}

.action-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--panel-edge);
  border-radius: 999px;
  background: rgba(12, 6, 18, 0.65);
}

.lang-button {
  min-width: 48px;
  padding: 8px 12px;
  border: 0;
  background: transparent;
}

.lang-button.is-active {
  background: linear-gradient(135deg, rgba(255, 137, 223, 0.2), rgba(154, 124, 255, 0.2));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.status-line {
  display: none;
}

button {
  border: 1px solid var(--panel-edge);
  background: rgba(22, 12, 30, 0.82);
  color: var(--text);
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 400;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 137, 223, 0.45);
}

button.primary {
  background: linear-gradient(135deg, rgba(255, 137, 223, 0.18), rgba(154, 124, 255, 0.18));
  border-color: rgba(255, 137, 223, 0.55);
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.action-button-medium {
  inline-size: 10.5rem;
}

.action-button-compact {
  padding-inline: 14px;
}

.action-button-wide {
  padding-inline: 14px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(260px, 0.52fr);
  grid-template-areas:
    "visual controls";
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  padding: 20px;
}

.visual-panel {
  grid-area: visual;
}

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

.preset-picker,
.gain-control {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

canvas {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(24, 13, 34, 0.94), rgba(10, 5, 18, 0.98)),
    radial-gradient(circle at center, rgba(154, 124, 255, 0.1), transparent 56%);
  border: 1px solid rgba(176, 125, 255, 0.18);
}

.xy-wrap {
  margin-top: 18px;
}

.xy-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-height: 0;
  margin-bottom: 8px;
}

.xy-caption {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.xy-pad {
  position: relative;
  min-height: 220px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(176, 125, 255, 0.18);
  background:
    linear-gradient(90deg, rgba(154, 124, 255, 0.16), transparent 50%, rgba(255, 137, 223, 0.14)),
    linear-gradient(180deg, rgba(255, 137, 223, 0.1), transparent 50%, rgba(154, 124, 255, 0.14)),
    rgba(13, 7, 20, 0.78);
}

.xy-pad::before,
.xy-pad::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.xy-pad::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 20% 20%;
}

.xy-pad::after {
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.1), transparent 48%),
    radial-gradient(circle at center, rgba(255, 137, 223, 0.12), transparent 12%);
}

.xy-cursor {
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 8px rgba(255, 137, 223, 0.12),
    0 0 22px rgba(154, 124, 255, 0.34);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.controls-panel {
  grid-area: controls;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 360px;
  justify-self: stretch;
  padding: 14px;
}

.controls-panel .panel-header {
  margin-bottom: 12px;
}

.controls-panel .gain-control {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.build-stage-heading {
  margin: 32px 0 10px;
  text-align: center;
}

.build-stage-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.build-stage-banner {
  display: inline-block;
  width: min(100%, 440px);
  height: auto;
  object-fit: contain;
}

.instagram-embed-wrap {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(176, 125, 255, 0.14);
  background: rgba(11, 6, 18, 0.68);
  max-width: 360px;
  min-height: 520px;
  margin: 0 auto;
}

.instagram-embed-wrap .instagram-media {
  min-width: 0 !important;
  max-width: 360px !important;
}

.build-stage-copy {
  font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  color: var(--text);
  line-height: 1.6;
  font-size: 1rem;
}

.build-stage-copy p {
  margin: 0 0 1rem;
}

.build-stage-copy em {
  font-style: italic;
}

.build-stage-copy code {
  font-family: "SFMono-Regular", "Menlo", "Consolas", monospace;
  font-size: 0.92em;
  color: #f7d7ff;
}

.control-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.reset-controls-button {
  width: 100%;
  margin-top: 12px;
  border-radius: 12px;
  padding: 10px 14px;
}

.control-group {
  padding: 0;
  border-radius: 16px;
  background: rgba(14, 8, 22, 0.72);
  border: 1px solid rgba(176, 125, 255, 0.1);
  overflow: hidden;
}

.control-group-toggle {
  width: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
}

.control-group-title {
  font-size: 0.93rem;
  text-align: left;
}

.control-group-chevron {
  font-size: 1.2rem;
  line-height: 1;
  transform: rotate(90deg);
  transition: transform 160ms ease;
}

.control-group-body {
  display: none;
  padding: 0 12px 12px;
}

.control-group.is-open .control-group-body {
  display: block;
}

.control-group.is-open .control-group-chevron {
  transform: rotate(-90deg);
}

.control {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  margin-bottom: 10px;
}

.embed-panel {
  width: min(1180px, 100%);
  margin: 0 auto 0;
  padding: 10px 0 0;
  transition: opacity 260ms ease;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.embed-panel.is-pending-embed {
  opacity: 0;
}

.contact-footer {
  margin: 52px 0 10px;
  display: flex;
  justify-content: center;
}

.contact-mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.98rem;
  font-style: italic;
  opacity: 0.8;
}

.contact-mail:hover {
  opacity: 1;
}

.contact-mail-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.control label {
  color: var(--text);
}

.control small {
  color: var(--muted);
  grid-column: 1 / -1;
  font-style: italic;
  font-size: 0.76rem;
}

.control .value {
  color: var(--accent);
  min-width: 56px;
  text-align: right;
}

input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--accent-2);
}

.toggle-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.operator-meters {
  display: grid;
  gap: 10px;
}

.meter {
  display: grid;
  grid-template-columns: 132px 1fr 52px;
  gap: 10px;
  align-items: center;
  color: var(--muted);
}

.meter-bar {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 20%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
}

.readout-summary {
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(14, 8, 22, 0.72);
  border: 1px solid rgba(176, 125, 255, 0.1);
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "visual"
      "controls";
  }

  .hero,
  .panel-header,
  .xy-header {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-topbar {
    position: static;
  }

  .hero-topbar-actions {
    align-items: flex-start;
  }

  .hero-topbar-main {
    flex-wrap: wrap;
  }

  .header-actions {
    justify-content: center;
    width: 100%;
    flex-direction: column;
  }

  .hero-brand-row {
    align-items: center;
  }

  .action-button-medium,
  .action-button-compact,
  .action-button-wide {
    inline-size: auto;
  }

  .controls-panel {
    max-width: none;
  }

  .process-link-banner {
    height: 34px;
  }

  .build-stage-layout {
    grid-template-columns: 1fr;
  }

  .build-stage-banner {
    width: min(100%, 320px);
  }
}

@media (max-width: 720px) {
  .instagram-embed-wrap {
    transform: none;
  }
}

@keyframes process-glow {
  0%,
  100% {
    box-shadow: inset 0 0 0 0 rgba(255, 208, 122, 0);
    text-shadow:
      0 0 8px rgba(255, 208, 122, 0.24),
      0 0 14px rgba(255, 137, 223, 0.12);
  }

  50% {
    box-shadow: inset 0 0 22px rgba(255, 137, 223, 0.08);
    text-shadow:
      0 0 12px rgba(255, 208, 122, 0.4),
      0 0 22px rgba(255, 137, 223, 0.22);
  }
}