:root {
  --ink: #0c0f12;
  --panel: rgba(21, 29, 34, 0.84);
  --panel-solid: #172025;
  --line: rgba(160, 181, 177, 0.24);
  --line-strong: rgba(192, 207, 202, 0.42);
  --text: #eef3ef;
  --muted: #a9b6b1;
  --teal: #79afa4;
  --teal-2: #9bc8bd;
  --copper: #c58a63;
  --paper: #f2eee3;
  --danger: #f3a48f;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --display: "Space Grotesk", Inter, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(156, 184, 177, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 184, 177, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, #0a0d0f 0%, #101619 46%, #171615 100%);
  background-size: 44px 44px, 44px 44px, auto;
  font-family: var(--display);
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  min-height: 100vh;
  padding: 42px clamp(18px, 4vw, 72px);
}

.workspace {
  width: min(1660px, 100%);
  margin: 0 auto;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 32px;
  align-items: start;
  margin-bottom: 34px;
}

.back-link,
.eyebrow,
.section-label,
.status-pill,
.stat-box span,
.helper-message,
.creator-label,
.audio-card span,
.download-card span,
.download-card small,
label > span {
  font-family: var(--mono);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--teal-2);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--teal-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 880px;
  color: var(--paper);
  font-size: clamp(54px, 8vw, 128px);
  line-height: 0.94;
}

h2 {
  font-size: clamp(28px, 2vw, 38px);
}

.masthead-copy {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.45;
}

.masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.hero-action:hover {
  transform: translateY(-2px);
}

.hero-action-primary {
  color: var(--ink);
  background: var(--teal-2);
  border-color: rgba(155, 200, 189, 0.78);
}

.hero-action-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.creator-preview {
  display: grid;
  gap: 12px;
  padding: 12px;
  background: rgba(242, 238, 227, 0.08);
  border: 1px solid rgba(155, 200, 189, 0.4);
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.creator-preview:hover {
  border-color: var(--copper);
  transform: translateY(-3px);
}

.creator-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--teal-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.creator-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.hero-signal-card {
  cursor: default;
}

.hero-signal-frame {
  background:
    radial-gradient(circle at 50% 50%, rgba(121, 175, 164, 0.18), transparent 44%),
    linear-gradient(135deg, rgba(14, 20, 24, 0.96), rgba(11, 15, 18, 0.92));
}

.hero-signal-grid,
.hero-signal-orbit,
.hero-signal-wave,
.hero-signal-core {
  position: absolute;
}

.hero-signal-grid {
  inset: 0;
  background:
    linear-gradient(rgba(155, 200, 189, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 200, 189, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

.hero-signal-orbit {
  top: 50%;
  left: 50%;
  border: 1px solid rgba(155, 200, 189, 0.24);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.hero-signal-orbit::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--copper);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(197, 138, 99, 0.7);
}

.hero-signal-orbit-one {
  width: 132px;
  height: 132px;
  animation: orbitSpin 10s linear infinite;
}

.hero-signal-orbit-two {
  width: 196px;
  height: 196px;
  border-color: rgba(121, 175, 164, 0.16);
  animation: orbitSpinReverse 15s linear infinite;
}

.hero-signal-wave {
  top: 50%;
  left: 50%;
  border: 1px solid rgba(121, 175, 164, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: signalFloat 3.2s ease-in-out infinite;
}

.hero-signal-wave-one {
  width: 112px;
  height: 112px;
}

.hero-signal-wave-two {
  width: 168px;
  height: 168px;
  animation-delay: 0.8s;
}

.hero-signal-core {
  top: 50%;
  left: 50%;
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  color: var(--ink);
  background: radial-gradient(circle at 30% 30%, #d5fff5, var(--teal-2));
  border: 1px solid rgba(155, 200, 189, 0.82);
  border-radius: 18px;
  box-shadow: 0 0 22px rgba(121, 175, 164, 0.38), 0 0 42px rgba(121, 175, 164, 0.26);
  font-size: 28px;
  transform: translate(-50%, -50%);
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.3fr);
  gap: 24px;
}

.panel,
.upload-tile,
.stat-box,
.audio-card,
.download-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: clamp(20px, 2.4vw, 30px);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.status-pill {
  max-width: 210px;
  padding: 9px 12px;
  color: var(--teal-2);
  background: rgba(121, 175, 164, 0.1);
  border: 1px solid rgba(121, 175, 164, 0.32);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.status-pill.done {
  color: var(--ink);
  background: var(--teal-2);
}

.upload-tile {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 116px;
  padding: 18px;
  border-style: dashed;
  cursor: pointer;
}

.upload-tile input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.upload-icon {
  display: inline-grid;
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  place-items: center;
  color: var(--ink);
  background: var(--teal);
  border-radius: 8px;
  font-size: 28px;
  font-weight: 900;
}

.upload-tile strong,
.upload-tile small {
  display: block;
}

.upload-tile strong {
  font-size: 22px;
}

.upload-tile small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
  overflow-wrap: anywhere;
}

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.stat-box {
  min-height: 86px;
  padding: 14px;
}

.stat-box span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.stat-box strong {
  display: block;
  margin-top: 10px;
  font-size: 22px;
  overflow-wrap: anywhere;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

label > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  outline: 0;
}

input,
select {
  min-height: 46px;
  padding: 0 13px;
}

textarea {
  min-height: 96px;
  padding: 12px 13px;
  resize: vertical;
}

.toggle-control {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-control input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--teal-2);
}

.toggle-control span {
  color: var(--text);
  text-transform: none;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.primary-action,
.secondary-action,
.download-action,
.preview-controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--mono);
  font-weight: 800;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.primary-action,
.download-action {
  gap: 8px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--teal-2);
  border-color: rgba(155, 200, 189, 0.74);
}

.secondary-action {
  padding: 0 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

button:hover:not(:disabled),
.download-action:hover {
  border-color: var(--copper);
  transform: translateY(-2px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.helper-message {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.progress-shell {
  overflow: hidden;
  height: 10px;
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.progress-shell span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--teal-2), var(--copper));
  transition: width 0.2s ease;
}

.error-message {
  margin: 16px 0 0;
  color: var(--danger);
  line-height: 1.5;
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #050607;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.video-frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-weight: 800;
  text-transform: uppercase;
}

.preview-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 18px;
}

.preview-controls button {
  flex: 0 0 44px;
  width: 44px;
  padding: 0;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.preview-controls i {
  font-size: 18px;
}

.volume-control {
  flex: 1 1 140px;
  margin: 0;
}

.volume-control input {
  min-height: 32px;
  padding: 0;
  accent-color: var(--teal-2);
}

.audio-card,
.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  padding: 16px;
}

.audio-card strong,
.download-card strong {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.audio-card audio {
  width: min(320px, 100%);
}

.download-card small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.tool-footer {
  width: min(1660px, 100%);
  margin: 28px auto 0;
}

.tool-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  color: rgba(238, 243, 239, 0.72);
  background: rgba(21, 29, 34, 0.84);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-family: var(--mono);
  font-size: 12px;
}

.tool-footer a {
  color: var(--teal-2);
}

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

[hidden] {
  display: none !important;
}

@keyframes orbitSpin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes orbitSpinReverse {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

@keyframes signalFloat {
  0%,
  100% {
    opacity: 0.28;
    transform: translate(-50%, -50%) scale(0.9);
  }
  50% {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(1.04);
  }
}

@media (max-width: 1180px) {
  .masthead,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .creator-preview {
    max-width: 420px;
  }

  .tool-footer-inner {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 24px 14px;
  }

  h1 {
    font-size: clamp(44px, 16vw, 72px);
  }

  .panel-header,
  .audio-card,
  .download-card {
    flex-direction: column;
    align-items: stretch;
  }

  .metadata-grid,
  .control-grid {
    grid-template-columns: 1fr;
  }

  .upload-tile {
    align-items: flex-start;
  }

  .masthead-actions {
    flex-direction: column;
  }

  .hero-action {
    width: 100%;
  }

  .hero-signal-core {
    width: 62px;
    height: 62px;
    border-radius: 16px;
    font-size: 24px;
  }
}