:root {
  color-scheme: dark;
  --bg: #080b10;
  --bg-soft: #0d121a;
  --panel: #111827;
  --panel-2: #151e2c;
  --line: #263247;
  --text: #f6f8fb;
  --muted: #a7b0c0;
  --faint: #6f7b8e;
  --accent: #78a9ff;
  --accent-strong: #3b82f6;
  --warning: #f6c866;
  --success: #61d394;
  --danger: #ff7d7d;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 86% 10%, rgba(120, 169, 255, 0.18), transparent 32%),
    linear-gradient(180deg, #080b10 0%, #0d121a 48%, #080b10 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 0 clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(167, 176, 192, 0.14);
  background: rgba(8, 11, 16, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: clamp(146px, 15vw, 184px);
  height: auto;
}

.app-header nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.app-header nav a {
  transition: color 180ms ease;
}

.app-header nav a:hover {
  color: var(--text);
}

.tool-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(34px, 6vw, 72px) 0 80px;
}

section[id] {
  scroll-margin-top: 88px;
}

.intro-panel {
  display: grid;
  gap: 14px;
  max-width: 780px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(3.4rem, 10vw, 7rem);
  line-height: 0.9;
  font-weight: 950;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
}

h3 {
  margin: 10px 0 10px;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0;
}

.intro-panel p:last-child,
.audio-responsibility p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.58;
}

.tool-panel {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(21, 30, 44, 0.92), rgba(17, 24, 39, 0.96));
  box-shadow: var(--shadow);
}

.tool-panel {
  padding: clamp(18px, 3vw, 28px);
}

.resource-section {
  --resource-accent: var(--accent);
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr) minmax(180px, 230px);
  gap: clamp(18px, 3vw, 30px);
  align-items: stretch;
  min-height: 250px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--resource-accent) 36%, var(--line));
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(8, 11, 16, 0.16), rgba(17, 24, 39, 0.96) 34%, rgba(21, 30, 44, 0.96)),
    radial-gradient(circle at 18% 22%, color-mix(in srgb, var(--resource-accent) 22%, transparent), transparent 35%);
  box-shadow: var(--shadow);
}

.essentials-card {
  --resource-accent: #78a9ff;
}

.roblox-card {
  --resource-accent: #78a9ff;
}

.blender-card {
  --resource-accent: #f59e0b;
}

.discord-card {
  --resource-accent: #8ea0ff;
}

.resource-media {
  position: relative;
  min-height: 100%;
  overflow: hidden;
}

.resource-media img {
  position: absolute;
  left: clamp(16px, 3vw, 34px);
  top: 50%;
  width: clamp(160px, 21vw, 260px);
  max-width: none;
  opacity: 0.96;
  transform: translateY(-50%);
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.28));
}

.logo-stack-media img {
  width: clamp(76px, 8.5vw, 116px);
  transform: none;
}

.logo-stack-media img:nth-child(1) {
  left: clamp(20px, 3vw, 38px);
  top: 20%;
}

.logo-stack-media img:nth-child(2) {
  left: clamp(82px, 8vw, 126px);
  top: 38%;
}

.logo-stack-media img:nth-child(3) {
  left: clamp(26px, 3.5vw, 48px);
  top: 58%;
}

.resource-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(17, 24, 39, 0.32) 48%, rgba(17, 24, 39, 0.96) 78%, rgba(17, 24, 39, 1) 100%);
}

.resource-content {
  position: relative;
  z-index: 1;
  align-self: center;
  padding: clamp(20px, 3vw, 30px) 0;
}

.resource-content p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.58;
}

.resource-content .eyebrow {
  color: var(--resource-accent);
}

.resource-content h2 {
  margin: 8px 0 12px;
  font-size: clamp(1.8rem, 4.6vw, 3.1rem);
}

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

.detail-block {
  margin-top: 12px;
  border: 1px solid rgba(167, 176, 192, 0.13);
  border-radius: 8px;
  padding: 12px;
  background: rgba(8, 11, 16, 0.34);
}

.detail-grid .detail-block {
  margin-top: 0;
}

.detail-block h3 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.2;
}

.detail-block p {
  font-size: 0.94rem;
}

.chip-row,
.text-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip-row span,
.text-link-row a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid color-mix(in srgb, var(--resource-accent) 42%, var(--line));
  border-radius: 999px;
  padding: 0 11px;
  background: color-mix(in srgb, var(--resource-accent) 12%, transparent);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 850;
}

.text-link-row a:hover {
  border-color: var(--resource-accent);
}

.server-list {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.server-list div {
  display: grid;
  gap: 2px;
  border-left: 3px solid var(--resource-accent);
  padding-left: 10px;
}

.server-list strong {
  color: var(--text);
}

.server-list span {
  color: var(--faint);
  font-size: 0.9rem;
  font-weight: 750;
}

.resource-actions {
  position: relative;
  z-index: 1;
  align-self: center;
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px) clamp(16px, 3vw, 28px) clamp(18px, 3vw, 28px) 0;
}

.resource-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid rgba(167, 176, 192, 0.18);
  border-radius: 8px;
  padding: 0 13px;
  background: rgba(8, 11, 16, 0.58);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 900;
  text-align: center;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.resource-button:hover {
  border-color: var(--resource-accent);
  background: color-mix(in srgb, var(--resource-accent) 15%, rgba(8, 11, 16, 0.72));
  transform: translateY(-1px);
}

.resource-button.primary-link {
  border-color: color-mix(in srgb, var(--resource-accent) 64%, transparent);
  background: color-mix(in srgb, var(--resource-accent) 20%, rgba(8, 11, 16, 0.72));
  color: var(--text);
}

.panel-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.formula-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(120, 169, 255, 0.34);
  border-radius: 999px;
  background: rgba(120, 169, 255, 0.11);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
  white-space: nowrap;
}

.scale-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

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

.field,
.range-field {
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-weight: 800;
}

.field input,
.field select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #0c111a;
  color: var(--text);
  outline: 0;
}

.field input:focus,
.field select:focus {
  border-color: var(--accent);
}

.single-result {
  margin-top: 18px;
}

.result-box {
  min-width: 0;
  border: 1px solid rgba(167, 176, 192, 0.15);
  border-radius: 8px;
  padding: 16px;
  background: rgba(8, 11, 16, 0.44);
}

.result-box span {
  display: block;
  color: var(--faint);
  font-size: 0.82rem;
  font-weight: 850;
}

.result-box strong {
  display: block;
  min-width: 0;
  margin-top: 8px;
  overflow: hidden;
  color: var(--text);
  font-size: clamp(1.35rem, 3vw, 2rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-box-large {
  min-height: 118px;
  display: grid;
  align-content: center;
}

.result-box-large strong {
  font-size: clamp(2.35rem, 7vw, 4.5rem);
  line-height: 0.95;
}

.drop-zone {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 176px;
  border: 1px dashed rgba(120, 169, 255, 0.5);
  border-radius: 8px;
  padding: 22px;
  background:
    radial-gradient(circle at center, rgba(120, 169, 255, 0.12), transparent 62%),
    rgba(8, 11, 16, 0.38);
  text-align: center;
  color: var(--muted);
  cursor: pointer;
}

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.drop-zone strong {
  color: var(--text);
  font-size: 1.25rem;
}

.drop-icon {
  width: 54px;
  height: 54px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: relative;
}

.drop-icon::before,
.drop-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.drop-icon::before {
  width: 22px;
  height: 3px;
}

.drop-icon::after {
  width: 3px;
  height: 22px;
}

.audio-controls {
  margin-top: 18px;
}

.range-field span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.range-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.volume-control {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 12px;
  align-items: end;
}

.toggle-button,
.primary-action,
.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  background: #0c111a;
  color: var(--text);
  font-weight: 900;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.toggle-button:hover,
.primary-action:hover,
.download-link:hover {
  transform: translateY(-1px);
}

.toggle-button[aria-pressed="true"] {
  border-color: rgba(120, 169, 255, 0.5);
  background: rgba(120, 169, 255, 0.16);
}

.primary-action {
  border-color: transparent;
  background: var(--accent);
  color: #07111f;
}

.primary-action:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.speed-message {
  margin-top: 18px;
  border: 1px solid rgba(120, 169, 255, 0.22);
  border-radius: 8px;
  padding: 16px;
  background: rgba(120, 169, 255, 0.08);
  color: var(--muted);
  line-height: 1.55;
}

.speed-message strong {
  color: var(--text);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

#audioStatus {
  color: var(--faint);
  font-weight: 750;
}

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

.output-panel audio {
  width: 100%;
}

.download-link {
  width: fit-content;
}

.audio-responsibility {
  margin-top: 18px;
  border: 1px solid rgba(246, 200, 102, 0.28);
  border-radius: 8px;
  padding: 16px;
  background: rgba(246, 200, 102, 0.08);
}

footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 76px;
  border-top: 1px solid rgba(167, 176, 192, 0.14);
  color: var(--faint);
  font-size: 0.9rem;
  font-weight: 800;
}

footer span:first-child {
  color: var(--text);
}

@media (max-width: 820px) {
  section[id] {
    scroll-margin-top: 154px;
  }

  .app-header {
    align-items: start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .resource-section {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .resource-media {
    min-height: 150px;
  }

  .resource-media img {
    left: 20px;
    width: 180px;
  }

  .logo-stack-media img {
    width: 84px;
  }

  .logo-stack-media img:nth-child(1) {
    left: 28px;
    top: 18px;
  }

  .logo-stack-media img:nth-child(2) {
    left: 118px;
    top: 44px;
  }

  .logo-stack-media img:nth-child(3) {
    left: 40px;
    top: 92px;
  }

  .resource-media::after {
    background: linear-gradient(90deg, transparent 0%, rgba(17, 24, 39, 0.12) 36%, rgba(17, 24, 39, 0.88) 72%, rgba(17, 24, 39, 1) 100%);
  }

  .resource-content {
    padding: 0 clamp(18px, 4vw, 24px);
  }

  .resource-actions {
    padding: 0 clamp(18px, 4vw, 24px) clamp(18px, 4vw, 24px);
  }

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

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

  .panel-heading {
    flex-direction: column;
  }

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

@media (max-width: 520px) {
  .tool-shell {
    width: min(100% - 28px, 1180px);
  }

  .app-header nav {
    width: 100%;
    justify-content: flex-start;
    gap: 12px 18px;
  }

  .action-row,
  .download-link,
  .primary-action {
    width: 100%;
  }

  footer {
    flex-direction: column;
    gap: 4px;
  }
}