/* ---------------------------------------------------------------------
       Design Tokens: Soviet Constructivism x Dosel Studio
    --------------------------------------------------------------------- */
    :root {
      --bg: #E9E8E4;
      --paper: #F5F3EE;
      --paper-dark: #C9C8C2;
      --ink: #070707;
      --ink-mid: rgba(7, 7, 7, 0.58);
      --ink-faint: rgba(7, 7, 7, 0.16);
      --crimson: #FF1010;
      --ochre: #FF1010;
      --rust: #D6D4CE;
      --slate: #555B58;
      --grey-warm: #75736D;
      --geo-ochre: rgba(7, 7, 7, 0.09);
      --geo-red: rgba(255, 16, 16, 0.18);
      --geo-grey: rgba(85, 91, 88, 0.14);
      --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
      --serif: "Cormorant Garamond", Georgia, serif;
      --stage-pad: 18px;
      --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      height: 100%;
      min-height: 100%;
    }

    html {
      overflow: hidden;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: var(--mono);
      letter-spacing: -0.02em;
      overflow: hidden;
    }

    body::before {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      content: "";
      opacity: 0.06;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23grain)' opacity='1'/%3E%3C/svg%3E");
      mix-blend-mode: multiply;
    }

    body::after {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      content: "";
      background-image:
        linear-gradient(var(--ink-faint) 1px, transparent 1px),
        linear-gradient(90deg, var(--ink-faint) 1px, transparent 1px);
      background-size: 72px 72px;
      opacity: 0.5;
    }

    .draft-line {
      position: fixed;
      z-index: 0;
      pointer-events: none;
      background: var(--ink-faint);
    }

    .draft-line--h {
      top: 33vh;
      right: 0;
      left: 0;
      height: 1px;
    }

    .draft-line--v {
      top: 0;
      bottom: 0;
      left: 22%;
      width: 1px;
    }

    .geo-field {
      position: fixed;
      inset: 0;
      z-index: 0;
      overflow: hidden;
      pointer-events: none;
    }

    .geo {
      position: absolute;
      border-radius: 0;
      mix-blend-mode: multiply;
    }

    .geo--ochre-square {
      top: -8vh;
      right: -6vw;
      width: clamp(280px, 38vw, 520px);
      height: clamp(280px, 38vw, 520px);
      background: var(--geo-ochre);
      transform: rotate(22deg);
    }

    .geo--red-bar {
      top: 12vh;
      left: clamp(18px, 3vw, 48px);
      width: 3px;
      height: clamp(180px, 28vh, 320px);
      background: var(--crimson);
      opacity: 0.72;
    }

    .geo--grey-diamond {
      bottom: 8vh;
      left: 12vw;
      width: clamp(80px, 10vw, 140px);
      height: clamp(80px, 10vw, 140px);
      background: var(--geo-grey);
      transform: rotate(45deg);
    }

    button,
    input {
      font: inherit;
    }

    button {
      color: inherit;
      cursor: pointer;
      border: 0;
    }

    .dosel-mark {
      position: fixed;
      top: 16px;
      left: 18px;
      z-index: 300;
      display: flex;
      gap: 9px;
      align-items: center;
      pointer-events: none;
      padding: 5px 8px 5px 5px;
      border: 1px solid rgba(216, 208, 196, 0.78);
      background: rgba(242, 237, 228, 0.72);
      box-shadow: 2px 2px 0 rgba(216, 208, 196, 0.8);
      color: var(--ink);
    }

    .dosel-mark-symbol {
      width: 34px;
      height: 34px;
      opacity: 1;
    }

    .dosel-mark-symbol img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: contain;
    }

    .dosel-mark-text {
      display: grid;
      gap: 2px;
      color: var(--ink);
      font-size: 10px;
      line-height: 1;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    .dosel-mark-text span {
      color: var(--ink-mid);
      font-size: 8px;
      letter-spacing: 0.24em;
    }

    .content-card {
      position: fixed;
      top: 24px;
      right: 28px;
      z-index: 50;
      width: clamp(208px, 21vw, 260px);
      overflow: hidden;
      border: 1px solid var(--paper-dark);
      border-left: 3px solid var(--ochre);
      border-radius: 0;
      background: var(--paper);
      box-shadow: 3px 3px 0 var(--paper-dark);
      color: var(--ink);
    }

    .content-card-tab,
    .card-overlay {
      display: none;
    }

    .content-card-image-wrap {
      position: relative;
      width: 100%;
      overflow: hidden;
      aspect-ratio: 3 / 2;
      background: var(--paper-dark);
    }

    .content-card-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0;
      filter: saturate(0.6) sepia(0.15);
      transition: opacity 600ms var(--ease);
    }

    .content-card.has-image .content-card-img {
      opacity: 1;
    }

    .content-card-img-placeholder {
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
    }

    .content-card.has-image .content-card-img-placeholder {
      display: none;
    }

    .content-card-placeholder-icon {
      position: relative;
      width: 32px;
      height: 32px;
    }

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

    .content-card-placeholder-icon::before {
      width: 32px;
      height: 1px;
    }

    .content-card-placeholder-icon::after {
      width: 1px;
      height: 32px;
    }

    .content-card-meta {
      padding: 12px 14px 16px;
    }

    .content-card-title,
    .content-card-author,
    .content-card-detail,
    .content-card-source,
    .content-card-desc {
      margin: 0;
    }

    .content-card-title,
    .content-card-author,
    .content-card-detail {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .content-card-title {
      color: var(--ink);
      font-size: clamp(11px, 1.1vw, 13px);
      line-height: 1.35;
      letter-spacing: 0.05em;
    }

    .content-card-author {
      margin-top: 5px;
      color: var(--ink-mid);
      font-size: clamp(11px, 1vw, 12px);
      font-style: italic;
      line-height: 1.3;
      letter-spacing: 0.04em;
    }

    .content-card-detail {
      margin-top: 5px;
      color: var(--grey-warm);
      font-size: clamp(10px, 0.9vw, 11px);
      letter-spacing: 0.09em;
      text-transform: uppercase;
    }

    .content-card-source {
      margin-top: 5px;
      color: var(--grey-warm);
      font-family: var(--mono);
      font-size: clamp(10px, 0.9vw, 11px);
      letter-spacing: 0.09em;
      text-transform: uppercase;
    }

    .content-card-desc {
      display: -webkit-box;
      margin-top: 8px;
      overflow: hidden;
      color: var(--ink-mid);
      font-family: var(--serif);
      font-size: clamp(11px, 1vw, 13px);
      font-style: italic;
      line-height: 1.6;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 4;
    }

    .meta-load-btn {
      display: block;
      margin-top: 10px;
      padding: 6px 0;
      border-top: 1px solid var(--paper-dark);
      color: var(--grey-warm);
      font-family: var(--mono);
      font-size: clamp(9px, 0.85vw, 10px);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      cursor: pointer;
      transition: color 200ms var(--ease);
    }

    .meta-load-btn:hover {
      color: var(--ochre);
    }

    .content-card.meta-loaded #metaLoadLabel {
      display: none;
    }

    .page {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-rows: auto auto minmax(0, 1fr) auto;
      width: min(1100px, calc(100% - 32px));
      height: calc(100dvh - 24px);
      min-height: 0;
      margin: 12px auto;
      padding: clamp(34px, 5vh, 56px) clamp(16px, 3vw, 28px) 14px;
      opacity: 0;
      border: 1px solid var(--ink);
      background: var(--paper);
      color: var(--ink);
      box-shadow: 4px 4px 0 var(--paper-dark), 0 24px 60px rgba(7, 7, 7, 0.18);
      clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
      animation: page-in 800ms var(--ease) forwards;
      isolation: isolate;
    }

    .page::after {
      position: absolute;
      right: -14%;
      bottom: 22%;
      z-index: -1;
      width: 56%;
      height: clamp(42px, 6vw, 72px);
      content: "";
      background: var(--geo-grey);
      transform: rotate(-24deg);
      transform-origin: center;
    }

    @keyframes page-in {
      to {
        opacity: 1;
      }
    }

    /* ---------------------------------------------------------------------
       Hero: Vox-Humana
    --------------------------------------------------------------------- */
    .hero {
      position: relative;
      display: grid;
      gap: 6px;
      padding: 0 0 clamp(12px, 2.4vh, 22px);
    }

    .hero::before {
      position: absolute;
      top: 8px;
      left: -34px;
      width: 3px;
      height: 100%;
      content: "";
      background: linear-gradient(180deg, var(--crimson) 0%, transparent 100%);
      opacity: 0.6;
    }

    .hero::after {
      position: absolute;
      top: 0.72em;
      left: -0.02em;
      width: min(58vw, 540px);
      height: 26px;
      content: "";
      background: var(--crimson);
      transform: skewX(-18deg);
      opacity: 0.06;
    }

    .hero-stamp {
      position: absolute;
      top: 8px;
      right: 0;
      color: rgba(255, 16, 16, 0.52);
      font-size: 9px;
      letter-spacing: 0.22em;
      transform: rotate(-90deg);
      transform-origin: right top;
    }

    .hero h1 {
      position: relative;
      z-index: 1;
      margin: 0;
      color: var(--ink);
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: clamp(42px, 7vw, 72px);
      font-style: normal;
      font-weight: 900;
      line-height: 0.82;
      letter-spacing: 0;
      isolation: isolate;
    }

    .hero h1::before {
      position: absolute;
      top: 0.66em;
      left: -0.05em;
      z-index: -1;
      width: min(58vw, 520px);
      height: 0.3em;
      content: "";
      background: var(--crimson);
      transform: skewX(-18deg);
      opacity: 0.22;
    }

    .hero h1 span {
      display: inline-block;
      opacity: 0;
      transform: translateY(24px);
      animation: hero-letter 600ms var(--ease) forwards;
    }

    @keyframes hero-letter {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .hero-sub {
      margin: 0;
      color: var(--slate);
      font-size: 11px;
      letter-spacing: -0.02em;
      text-transform: lowercase;
    }

    .hero-byline {
      margin: 0;
      color: var(--grey-warm);
      font-size: 10px;
      letter-spacing: -0.02em;
      text-transform: lowercase;
    }

    .tagline {
      position: relative;
      min-height: 14px;
      margin-top: 8px;
      color: var(--ink-mid);
      font-size: 10px;
      letter-spacing: -0.02em;
      text-transform: lowercase;
    }

    .hairline {
      width: 100%;
      height: 1px;
      margin-bottom: clamp(10px, 2vh, 16px);
      background: var(--paper-dark);
    }

    /* ---------------------------------------------------------------------
       Player Layout
    --------------------------------------------------------------------- */
    .player {
      position: relative;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr) auto;
      gap: 10px;
      min-height: 0;
      padding-top: 4px;
    }

    .catalog-rail {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: 12px;
      align-items: stretch;
      min-height: 74px;
      border-top: 1px solid var(--paper-dark);
      border-bottom: 1px solid var(--paper-dark);
      background:
        linear-gradient(90deg, rgba(201, 148, 26, 0.09), transparent 46%),
        rgba(216, 208, 196, 0.28);
    }

    .catalog-rail-head {
      display: grid;
      gap: 6px;
      align-content: center;
      min-width: 118px;
      padding: 12px 14px;
      border-right: 1px solid var(--paper-dark);
    }

    .catalog-kicker,
    .catalog-count {
      color: var(--grey-warm);
      font-size: 9px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .catalog-kicker {
      color: var(--ink);
    }

    .catalog-grid {
      display: grid;
      grid-auto-columns: minmax(220px, 280px);
      grid-auto-flow: column;
      gap: 10px;
      min-width: 0;
      padding: 10px;
      overflow-x: auto;
      scrollbar-width: thin;
    }

    .catalog-card {
      display: grid;
      grid-template-columns: 74px minmax(0, 1fr);
      gap: 10px;
      align-items: stretch;
      min-width: 0;
      padding: 0;
      border: 1px solid rgba(216, 208, 196, 0.9);
      border-left: 3px solid transparent;
      border-radius: 0;
      background: rgba(242, 237, 228, 0.78);
      color: var(--ink);
      text-align: left;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
      transition: border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
    }

    .catalog-card:hover,
    .catalog-card:focus-visible {
      border-color: rgba(201, 148, 26, 0.55);
      background: rgba(242, 237, 228, 0.96);
      box-shadow: 2px 2px 0 var(--paper-dark);
      outline: 0;
    }

    .catalog-card.is-active {
      border-left-color: var(--ochre);
      box-shadow: inset 0 0 0 1px rgba(201, 148, 26, 0.18);
    }

    .catalog-thumb {
      position: relative;
      min-height: 54px;
      overflow: hidden;
      background: var(--paper-dark);
    }

    .catalog-thumb img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      filter: saturate(0.6) sepia(0.15);
    }

    .catalog-meta {
      display: grid;
      gap: 4px;
      align-content: center;
      min-width: 0;
      padding: 8px 10px 8px 0;
    }

    .catalog-title,
    .catalog-author,
    .catalog-detail {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .catalog-title {
      font-size: 10.5px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .catalog-author {
      color: var(--ink-mid);
      font-family: var(--serif);
      font-size: 13px;
      font-style: italic;
      line-height: 1;
    }

    .catalog-detail {
      color: var(--grey-warm);
      font-size: 9px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .construct-label {
      position: absolute;
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      pointer-events: none;
      white-space: nowrap;
    }

    .construct-label--left {
      top: 50%;
      left: -60px;
      transform: rotate(-90deg) translateX(-50%);
      transform-origin: left center;
    }

    .construct-label--right {
      top: 40%;
      right: -60px;
      transform: rotate(90deg) translateX(50%);
      transform-origin: right center;
    }

    .stage {
      --accent: var(--ochre);
      --accent-rgb: 255, 16, 16;
      --stage-fader: 50%;
      position: relative;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr) auto;
      min-height: 0;
      overflow: hidden;
      border-top: 2px solid var(--crimson);
      border-bottom: 1px solid var(--ink);
      border-left: 0;
      border-right: 0;
      border-radius: 0;
      background: #070707;
      box-shadow: 4px 4px 0 var(--paper-dark), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
      clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
      transition: box-shadow 380ms var(--spring);
    }

    .stage.loaded {
      box-shadow: 6px 6px 0 var(--paper-dark), 0 0 36px rgba(255, 16, 16, 0.16);
    }

    .scan-line {
      position: absolute;
      top: 0;
      bottom: 0;
      left: -1px;
      z-index: 4;
      width: 1px;
      pointer-events: none;
      background: var(--crimson);
      box-shadow: none;
      animation: stage-scan 400ms var(--ease) forwards;
    }

    @keyframes stage-scan {
      0% {
        opacity: 0;
        transform: translateX(0);
      }
      14% {
        opacity: 1;
      }
      100% {
        opacity: 0;
        transform: translateX(1180px);
      }
    }

    .ripple-burst {
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 1;
      width: 200px;
      height: 200px;
      pointer-events: none;
      border: 1px solid var(--accent);
      border-radius: 50%;
      opacity: 0.42;
      transform: translate(-50%, -50%) scale(0);
      animation: ripple-burst 600ms var(--ease) forwards;
    }

    @keyframes ripple-burst {
      to {
        opacity: 0;
        transform: translate(-50%, -50%) scale(3);
      }
    }

    .stage.loading {
      animation: loading-ring 1700ms ease-in-out infinite;
    }

    @keyframes loading-ring {
      0%,
      100% {
        box-shadow: 4px 4px 0 var(--paper-dark);
      }
      50% {
        box-shadow: 4px 4px 0 var(--paper-dark), 0 0 0 1px rgba(94, 110, 106, 0.2);
      }
    }

    .track-loaders {
      position: relative;
      z-index: 3;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      padding: 16px 18px;
      border-bottom: 1px solid var(--paper-dark);
      background: rgba(216, 208, 196, 0.72);
      transition: max-height 460ms var(--spring), padding 460ms var(--spring), opacity 260ms var(--ease);
    }

    .stage.loaded .track-loaders {
      max-height: 32px;
      padding: 0;
      opacity: 0.66;
    }

    .stage.loaded .track-loaders:hover,
    .stage.loaded .track-loaders:focus-within {
      max-height: 180px;
      padding: 16px 18px;
      opacity: 1;
    }

    .track-loader {
      --accent: var(--ochre);
      --accent-rgb: 201, 148, 26;
      position: relative;
      min-width: 0;
      padding-right: 14px;
    }

    .track-loader[data-track="pt"] {
      --accent: var(--rust);
      --accent-rgb: 184, 92, 48;
      padding-right: 0;
      padding-left: 14px;
    }

    .track-loader-label,
    .track-loader-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--ink-mid);
      font-size: 10.8px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .track-loader-badge {
      min-height: 32px;
      padding: 8px 14px;
      width: 100%;
      min-width: 0;
    }

    .track-loader-badge .dot {
      display: inline-block;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      margin-right: 6px;
      vertical-align: middle;
      background: var(--accent);
    }

    .track-loader.is-loaded .track-loader-label,
    .track-loader.is-loaded .drop-zone,
    .track-loader.is-loaded .format-badge {
      display: none;
    }

    .track-loader-badge {
      display: none;
    }

    .track-loader.is-loaded .track-loader-badge {
      display: inline-flex;
    }

    .track-loader.is-dragover .track-loader-badge,
    .track-loader.is-dragover .drop-zone {
      outline: 1px dashed var(--accent);
      outline-offset: -3px;
      background: rgba(var(--accent-rgb), 0.08);
    }

    [data-badge-text] {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .badge-format {
      color: var(--ink-mid);
    }

    .badge-lufs {
      display: inline-flex;
      gap: 5px;
      align-items: center;
      color: var(--grey-warm);
      font-size: 9.5px;
      letter-spacing: 0.08em;
    }

    .badge-lufs-spinner {
      width: 8px;
      height: 8px;
      border: 1px solid var(--ink-faint);
      border-top-color: var(--slate);
      border-radius: 50%;
      animation: rotate 1s linear infinite;
    }

    .badge-lufs-done {
      color: var(--slate);
    }

    @keyframes rotate {
      to {
        transform: rotate(360deg);
      }
    }

    .replace-track-button {
      flex: 0 0 auto;
      margin-left: auto;
      padding: 4px 7px;
      border: 1px solid rgba(var(--accent-rgb), 0.42);
      border-radius: 0;
      background: rgba(242, 237, 228, 0.76);
      color: var(--ink);
      font-size: 9px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      transition: background 220ms var(--spring), box-shadow 220ms var(--spring);
    }

    .replace-track-button:hover,
    .replace-track-button:focus-visible {
      background: rgba(var(--accent-rgb), 0.12);
      box-shadow: 2px 2px 0 var(--paper-dark);
      outline: 0;
    }

    .format-badge {
      min-height: 26px;
      padding: 6px 9px;
      border: 1px solid var(--paper-dark);
      border-radius: 2px;
      color: rgba(var(--accent-rgb), 0.78);
      background: transparent;
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    }

    .format-badge:empty {
      display: none;
    }

    /* ---------------------------------------------------------------------
       File Inputs
    --------------------------------------------------------------------- */
    .drop-zone {
      position: relative;
      display: grid;
      place-items: center;
      gap: 8px;
      min-height: 104px;
      margin-bottom: 14px;
      padding: 18px;
      overflow: hidden;
      border: 1px dashed rgba(var(--accent-rgb), 0.46);
      border-radius: 0;
      background:
        linear-gradient(135deg, rgba(201, 148, 26, 0.08) 0 34%, transparent 34%),
        linear-gradient(45deg, transparent 0 82%, rgba(var(--accent-rgb), 0.12) 82%),
        rgba(242, 237, 228, 0.72);
      text-align: center;
      transition: background 300ms var(--spring);
      clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
    }

    .drop-zone::before,
    .drop-zone::after {
      position: absolute;
      width: 12px;
      height: 12px;
      pointer-events: none;
      content: "";
      opacity: 0.72;
    }

    .drop-zone::before {
      top: 0;
      left: 0;
      border-top: 1px solid var(--accent);
      border-left: 1px solid var(--accent);
    }

    .drop-zone::after {
      right: 0;
      bottom: 0;
      border-right: 1px solid var(--accent);
      border-bottom: 1px solid var(--accent);
    }

    .drop-zone.dragover {
      background: rgba(var(--accent-rgb), 0.055);
    }

    .drop-zone.hidden {
      display: none;
    }

    .drop-copy {
      position: relative;
      z-index: 1;
      color: var(--ink-mid);
      font-size: 11px;
      line-height: 1.7;
      letter-spacing: 0.04em;
      text-transform: lowercase;
    }

    .drop-copy strong {
      display: block;
      color: var(--ink);
      font-weight: 500;
      letter-spacing: -0.02em;
    }

    .browse-button,
    .play-button,
    .icon-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--paper-dark);
      border-radius: 2px;
      background: var(--paper);
      color: var(--ink-mid);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
      transition:
        border-color 260ms var(--spring),
        color 260ms var(--spring),
        background 260ms var(--spring);
    }

    .browse-button {
      position: relative;
      z-index: 1;
      min-height: 31px;
      padding: 0 12px;
    }

    .browse-button:hover,
    .play-button:hover {
      border-color: rgba(var(--accent-rgb), 0.5);
      color: var(--ink);
      background: rgba(var(--accent-rgb), 0.08);
    }

    .icon-button:hover {
      color: var(--ink);
      background: rgba(94, 110, 106, 0.08);
    }

    .file-input {
      display: none;
    }

    .warning {
      display: none;
      margin: 0 0 12px;
      padding: 10px 12px;
      border: 1px solid rgba(184, 92, 48, 0.28);
      border-radius: 0;
      color: var(--rust);
      background: rgba(184, 92, 48, 0.08);
      font-size: 10px;
      line-height: 1.6;
      letter-spacing: -0.02em;
    }

    .warning.visible {
      display: block;
    }

    /* ---------------------------------------------------------------------
       Media Stage and Waveform
    --------------------------------------------------------------------- */
    .video-frame {
      display: none;
      grid-row: 2;
      grid-column: 1;
      width: 100%;
      height: 100%;
      min-height: 0;
      aspect-ratio: auto;
      overflow: hidden;
      border: 0;
      border-radius: 0;
      background: #191714;
      object-fit: contain;
    }

    .stage.has-video .video-frame {
      display: block;
    }

    .wave-wrap {
      --glow-en: 0;
      --glow-pt: 0;
      position: relative;
      grid-row: 2;
      grid-column: 1;
      min-height: 0;
      overflow: hidden;
      border: 0;
      border-radius: 0;
      background: transparent;
      transition: box-shadow 80ms linear;
    }

    .wave-wrap::before {
      position: absolute;
      inset: 0;
      z-index: 0;
      content: "";
      pointer-events: none;
      transition: opacity 80ms linear;
      background:
        radial-gradient(ellipse at 0% 100%, rgba(201, 148, 26, calc(var(--glow-en) * 0.18)), transparent 68%),
        radial-gradient(ellipse at 100% 100%, rgba(184, 92, 48, calc(var(--glow-pt) * 0.18)), transparent 68%);
    }

    .wave-wrap::after {
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      z-index: 2;
      width: 1px;
      content: "";
      pointer-events: none;
      opacity: 0.5;
      background: var(--ink-faint);
    }

    .stage.has-video .wave-wrap::after {
      display: none;
    }

    .stage.has-video .wave-wrap {
      z-index: 2;
      min-height: 0;
      pointer-events: none;
      background:
        linear-gradient(180deg, rgba(26, 22, 18, 0.06) 0%, transparent 28%),
        linear-gradient(180deg, transparent 46%, rgba(242, 237, 228, 0.42) 100%);
    }

    .stage-crossfader {
      --stage-knob-y: 0px;
      position: absolute;
      top: 35px;
      right: 0;
      bottom: 21px;
      left: 0;
      z-index: 6;
      cursor: ew-resize;
      outline: 0;
      touch-action: pan-y;
      -webkit-tap-highlight-color: transparent;
    }

    .stage-crossfader::before {
      position: absolute;
      top: 0;
      bottom: 0;
      left: clamp(18px, var(--stage-fader), calc(100% - 18px));
      width: 44px;
      content: "";
      pointer-events: auto;
      transform: translateX(-50%);
    }

    .stage-crossfader-line {
      position: absolute;
      top: 0;
      bottom: 0;
      left: clamp(18px, var(--stage-fader), calc(100% - 18px));
      width: 1px;
      pointer-events: none;
      background: rgba(245, 240, 232, 0.52);
      box-shadow:
        -1px 0 0 rgba(201, 148, 26, 0.28),
        1px 0 0 rgba(26, 22, 18, 0.18);
      transform: translateX(-50%);
      transition: background 180ms var(--ease), box-shadow 180ms var(--ease);
    }

    .stage-crossfader-line::before,
    .stage-crossfader-line::after {
      position: absolute;
      left: 50%;
      width: 9px;
      height: 1px;
      content: "";
      background: rgba(201, 148, 26, 0.55);
      transform: translateX(-50%);
    }

    .stage-crossfader-line::before {
      top: 0;
    }

    .stage-crossfader-line::after {
      bottom: 0;
    }

    .stage-crossfader-knob {
      position: absolute;
      top: calc(50% + var(--stage-knob-y));
      left: clamp(18px, var(--stage-fader), calc(100% - 18px));
      display: grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border: 1px solid rgba(216, 208, 196, 0.74);
      border-radius: 50%;
      background:
        radial-gradient(circle at 38% 30%, rgba(255, 255, 255, 0.42), transparent 46%),
        linear-gradient(180deg, rgba(242, 237, 228, 0.78), rgba(216, 208, 196, 0.66));
      box-shadow:
        0 5px 18px rgba(26, 22, 18, 0.24),
        inset 1px 0 0 rgba(201, 148, 26, 0.28),
        inset -1px 0 0 rgba(94, 110, 106, 0.24);
      color: rgba(26, 22, 18, 0.62);
      font-family: var(--mono);
      font-size: 14px;
      line-height: 1;
      pointer-events: none;
      transform: translate(-50%, -50%);
      transition:
        border-color 180ms var(--ease),
        box-shadow 180ms var(--ease),
        transform 180ms var(--spring);
      user-select: none;
    }

    .stage-crossfader:focus-visible .stage-crossfader-knob,
    .stage-crossfader.is-dragging .stage-crossfader-knob {
      border-color: rgba(201, 148, 26, 0.72);
      box-shadow:
        0 7px 22px rgba(26, 22, 18, 0.3),
        0 0 0 4px rgba(201, 148, 26, 0.13),
        inset 1px 0 0 rgba(201, 148, 26, 0.38),
        inset -1px 0 0 rgba(94, 110, 106, 0.3);
      transform: translate(-50%, -50%) scale(1.03);
    }

    .is-developer-mode .stage-crossfader {
      pointer-events: none;
    }

    .is-public-mode .crossfader {
      display: none;
    }

    .is-public-mode .global-controls {
      grid-template-columns: minmax(0, 1fr) auto;
    }

    .is-public-mode .replace-track-button,
    .is-public-mode .format-badge,
    .is-public-mode .warning {
      display: none;
    }

    .wave-label {
      position: absolute;
      z-index: 7;
      font-family: var(--mono);
      padding: 4px 0 5px;
      font-size: clamp(12px, 1.18vw, 15px);
      letter-spacing: 0.13em;
      line-height: 1;
      text-transform: uppercase;
      pointer-events: none;
      text-shadow:
        0 1px 8px rgba(242, 237, 228, 0.42),
        0 1px 16px rgba(26, 22, 18, 0.26);
      transition:
        top 360ms var(--spring),
        right 360ms var(--spring),
        bottom 360ms var(--spring),
        left 360ms var(--spring),
        padding 260ms var(--ease),
        color 260ms var(--ease),
        font-size 260ms var(--ease),
        letter-spacing 260ms var(--ease),
        opacity 300ms var(--ease),
        transform 360ms var(--spring);
    }

    .wave-label::before {
      position: absolute;
      top: 50%;
      width: 22px;
      height: 1px;
      content: "";
      opacity: 0.72;
      background: currentColor;
      transform: translateY(-50%);
    }

    .wave-label--en {
      top: clamp(48px, 18%, 92px);
      bottom: auto;
      left: clamp(18px, 7vw, 74px);
      color: rgba(232, 199, 111, 0.94);
    }

    .wave-label--en::before {
      right: calc(100% + 10px);
    }

    .wave-label--ptbr {
      top: clamp(48px, 18%, 92px);
      right: clamp(18px, 7vw, 74px);
      bottom: auto;
      left: auto;
      color: rgba(200, 214, 207, 0.92);
      text-align: right;
    }

    .wave-label--ptbr::before {
      left: calc(100% + 10px);
      color: rgba(184, 92, 48, 0.72);
    }

    .stage.stage-crossfader-interacted .wave-label {
      padding: 0;
      font-size: 9px;
      letter-spacing: 0.14em;
      text-shadow: 0 1px 10px rgba(26, 22, 18, 0.34);
    }

    .stage.stage-crossfader-interacted .wave-label::before {
      width: 12px;
      opacity: 0.48;
    }

    .stage.stage-crossfader-interacted .wave-label--en {
      top: auto;
      bottom: 10px;
      left: 126px;
      color: rgba(201, 148, 26, 0.68);
    }

    .stage.stage-crossfader-interacted .wave-label--ptbr {
      top: auto;
      right: 14px;
      bottom: 10px;
      left: auto;
      color: rgba(184, 92, 48, 0.68);
    }

    .wave-canvas {
      position: relative;
      z-index: 1;
      display: block;
      width: 100%;
      height: 100%;
      min-height: inherit;
    }

    .loading-label,
    .awaiting-label {
      position: absolute;
      inset: 0;
      z-index: 2;
      display: grid;
      place-items: center;
      pointer-events: none;
      font-size: 12px;
      letter-spacing: -0.02em;
      text-transform: lowercase;
      transition: opacity 260ms var(--ease);
    }

    .loading-label {
      color: var(--accent);
      opacity: 0;
      text-shadow: none;
    }

    .awaiting-label {
      color: var(--ink-mid);
      font-size: 11px;
      letter-spacing: 0.08em;
    }

    .stage.loaded .awaiting-label {
      opacity: 0;
    }

    .stage.has-media .awaiting-label {
      opacity: 0;
    }

    .stage.loading .loading-label {
      opacity: 1;
      animation: label-pulse 1100ms ease-in-out infinite;
    }

    @keyframes label-pulse {
      50% {
        opacity: 0.48;
      }
    }

    .captions {
      position: absolute;
      right: 18px;
      bottom: 18px;
      left: 18px;
      z-index: 5;
      display: none;
      justify-content: center;
      pointer-events: none;
    }

    .stage.captions-on .captions {
      display: flex;
    }

    .caption-pill {
      max-width: min(92%, 560px);
      padding: 10px 18px 12px;
      border: 1px solid var(--paper-dark);
      border-radius: 0;
      color: var(--ink);
      background: rgba(242, 237, 228, 0.9);
      box-shadow: 3px 3px 0 var(--paper-dark);
      font-family: var(--serif);
      font-size: clamp(18px, 2vw, 24px);
      font-style: italic;
      line-height: 1.05;
      text-align: center;
      backdrop-filter: blur(6px);
      clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
    }

    /* ---------------------------------------------------------------------
       Stage Playbar
    --------------------------------------------------------------------- */
    .playbar {
      position: absolute;
      right: 0;
      bottom: 0;
      left: 0;
      z-index: 10;
      pointer-events: none;
    }

    .playbar-scrim {
      position: absolute;
      right: 0;
      bottom: 0;
      left: 0;
      z-index: 0;
      height: 160px;
      pointer-events: none;
      background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(12, 10, 8, 0.55) 50%,
        rgba(8, 7, 5, 0.82) 100%
      );
    }

    .playbar-controls {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 6px 16px 14px;
      pointer-events: auto;
    }

    .play-button {
      display: flex;
      flex-shrink: 0;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      padding: 0;
      border: 1.5px solid rgba(255, 16, 16, 0.78);
      border-radius: 50%;
      background: var(--crimson);
      box-shadow: 0 0 24px rgba(255, 16, 16, 0.52);
      color: #fff;
      clip-path: none;
      cursor: pointer;
      outline: none;
      -webkit-tap-highlight-color: transparent;
      transition:
        background 200ms var(--ease),
        border-color 200ms var(--ease),
        box-shadow 200ms var(--spring),
        transform 150ms var(--spring);
    }

    .play-icon {
      width: 14px;
      height: 14px;
      transform: translateX(1px);
      transition: opacity 150ms var(--ease);
    }

    .play-button:hover:not(:disabled) {
      border-color: var(--crimson);
      background: var(--crimson);
      box-shadow: 0 0 0 4px rgba(255, 16, 16, 0.16), 0 0 30px rgba(255, 16, 16, 0.58);
      transform: scale(1.05);
    }

    .play-button.is-playing {
      border-color: var(--crimson);
      background: var(--crimson);
      box-shadow: 0 0 0 3px rgba(255, 16, 16, 0.18), 0 0 32px rgba(255, 16, 16, 0.62);
    }

    .play-button.is-playing .icon-play,
    .play-button:not(.is-playing) .icon-pause {
      display: none;
    }

    .play-button.is-playing .icon-pause,
    .play-button:not(.is-playing) .icon-play {
      display: block;
    }

    .play-button:disabled {
      border-color: rgba(245, 240, 232, 0.12);
      background: transparent;
      box-shadow: none;
      color: rgba(245, 240, 232, 0.2);
      cursor: not-allowed;
      opacity: 1;
      transform: none;
    }

    .scrubber {
      --progress: 0%;
      position: relative;
      z-index: 2;
      width: 100%;
      height: 3px;
      margin: 0;
      padding: 0;
      border: none;
      background: transparent;
      cursor: pointer;
      appearance: none;
      -webkit-appearance: none;
      outline: none;
    }

    .playbar-controls .scrubber {
      flex: 1;
      align-self: center;
      min-width: 0;
    }

    .scrubber::-webkit-slider-container {
      background: transparent;
    }

    .scrubber::-webkit-slider-runnable-track {
      height: 3px;
      border-radius: 0;
      background:
        linear-gradient(90deg, var(--ochre) var(--progress), rgba(245, 240, 232, 0.18) var(--progress));
    }

    .scrubber::-webkit-slider-thumb {
      width: 12px;
      height: 12px;
      margin-top: -4.5px;
      border: none;
      border-radius: 0;
      background: var(--ochre);
      cursor: pointer;
      appearance: none;
      -webkit-appearance: none;
      box-shadow: none;
    }

    .scrubber::-moz-range-track {
      height: 3px;
      border-radius: 0;
      background: rgba(245, 240, 232, 0.18);
    }

    .scrubber::-moz-range-progress {
      height: 3px;
      border-radius: 0;
      background: var(--ochre);
    }

    .scrubber::-moz-range-thumb {
      width: 12px;
      height: 12px;
      border: none;
      border-radius: 0;
      background: var(--ochre);
      cursor: pointer;
      box-shadow: none;
    }

    .scrubber:disabled {
      cursor: not-allowed;
      opacity: 0.3;
    }

    .playbar-timecode {
      display: flex;
      flex-shrink: 0;
      align-items: center;
      gap: 4px;
      color: rgba(245, 240, 232, 0.74);
      font-family: var(--mono);
      font-size: 11px;
      font-variant-numeric: tabular-nums;
      line-height: 1;
      letter-spacing: 0.06em;
      white-space: nowrap;
    }

    .timecode-sep {
      color: rgba(245, 240, 232, 0.42);
    }

    /* ---------------------------------------------------------------------
       Global Controls and Crossfader
    --------------------------------------------------------------------- */
    .global-controls {
      display: grid;
      grid-template-columns: 80px minmax(0, 1fr) 80px;
      gap: 0;
      align-items: center;
      width: 100%;
      padding: 16px var(--stage-pad) 12px;
    }

    .crossfader {
      --fader: 0%;
      display: grid;
      gap: 8px;
      min-width: 0;
      width: 100%;
    }

    .controls-side {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      min-width: 0;
    }

    .volume-knob-wrap {
      position: static;
      display: flex;
      flex-direction: column;
      align-items: center;
      flex-shrink: 0;
      gap: 2px;
      pointer-events: auto;
    }

    .volume-knob-svg {
      display: block;
      width: 40px;
      height: 40px;
      overflow: visible;
      cursor: grab;
      touch-action: none;
    }

    .volume-knob-svg.is-dragging {
      cursor: grabbing;
    }

    .knob-ticks line {
      stroke: rgba(245, 240, 232, 0.15);
      stroke-linecap: round;
    }

    .knob-ticks line.tick-major {
      stroke: rgba(245, 240, 232, 0.3);
    }

    .knob-ticks line.tick-unity {
      stroke: rgba(201, 148, 26, 0.6);
      opacity: 1;
    }

    .knob-arc-track {
      fill: none;
      stroke: rgba(245, 240, 232, 0.12);
      stroke-width: 3;
      stroke-linecap: round;
    }

    .knob-arc-fill {
      fill: none;
      stroke-width: 3;
      stroke-linecap: round;
    }

    .knob-body {
      filter: drop-shadow(0 3px 8px rgba(26, 22, 18, 0.22));
    }

    .knob-inner-ring {
      fill: none;
      stroke: rgba(245, 240, 232, 0.1);
      stroke-width: 1;
      opacity: 1;
    }

    .knob-indicator {
      stroke: var(--ochre);
      stroke-width: 2;
      stroke-linecap: round;
      opacity: 0.9;
    }

    .volume-knob-label {
      display: block;
      color: var(--grey-warm);
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.2em;
      text-align: center;
      text-transform: uppercase;
    }

    .volume-knob-db {
      display: block;
      min-width: 52px;
      color: rgba(245, 240, 232, 0.62);
      font-family: var(--mono);
      font-size: 8.8px;
      line-height: 1;
      letter-spacing: 0.06em;
      text-align: center;
      white-space: nowrap;
    }

    .volume-popup {
      display: none;
    }

    .fader-labels {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .fader-labels span {
      display: inline-flex;
      align-items: center;
      min-height: 22px;
      width: fit-content;
      padding: 3px 8px;
      border: 1px solid rgba(26, 22, 18, 0.16);
      background: rgba(242, 237, 228, 0.58);
      box-shadow: 2px 2px 0 rgba(216, 208, 196, 0.62);
      color: rgba(26, 22, 18, 0.78);
      line-height: 1;
    }

    .fader-labels span:first-child {
      border-left: 2px solid rgba(201, 148, 26, 0.7);
      color: rgba(89, 65, 11, 0.94);
    }

    .fader-labels span:nth-child(2) {
      justify-self: end;
      border-right: 2px solid rgba(176, 27, 27, 0.68);
      color: rgba(101, 18, 18, 0.94);
      text-align: right;
    }

    .fader-track {
      position: relative;
      height: 54px;
      cursor: pointer;
      touch-action: none;
      transition: box-shadow 400ms var(--ease);
    }

    .fader-hint {
      position: absolute;
      bottom: -22px;
      left: 50%;
      color: rgba(184, 92, 48, 0);
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.16em;
      text-transform: lowercase;
      white-space: nowrap;
      pointer-events: none;
      opacity: 1;
      transform: translateX(-50%);
      transition:
        color 600ms var(--ease),
        opacity 600ms var(--ease);
    }

    .fader-hint.visible {
      color: rgba(184, 92, 48, 0.52);
    }

    .fader-ticks {
      position: absolute;
      top: 33px;
      right: 0;
      left: 0;
      height: 8px;
      pointer-events: none;
    }

    .fader-tick {
      position: absolute;
      bottom: 0;
      width: 1px;
      height: 4px;
      background: var(--ink-faint);
      transform: translateX(-50%);
    }

    .fader-tick:nth-child(1),
    .fader-tick:nth-child(3),
    .fader-tick:nth-child(5) {
      height: 8px;
    }

    .fader-track::before {
      position: absolute;
      top: 14px;
      right: 0;
      left: 0;
      height: 8px;
      content: "";
      border-radius: 0;
      background: var(--paper-dark);
      box-shadow: inset 0 1px 0 rgba(26, 22, 18, 0.08);
    }

    .fader-track::after {
      position: absolute;
      top: 14px;
      left: 0;
      width: var(--fader);
      height: 8px;
      content: "";
      background: linear-gradient(90deg, rgba(201, 148, 26, 0.72), rgba(184, 92, 48, 0.72));
    }

    .fader-center {
      position: absolute;
      top: 27px;
      left: 50%;
      width: 1px;
      height: 16px;
      content: "";
      background: var(--ink-faint);
      transform: translateX(-50%);
    }

    .fader-center::after {
      position: absolute;
      top: -13px;
      left: 50%;
      color: var(--ink-mid);
      content: "∅";
      font-size: 9px;
      transform: translateX(-50%);
    }

    .fader-knob {
      position: absolute;
      top: 50%;
      left: clamp(16px, var(--fader), calc(100% - 16px));
      z-index: 2;
      width: 28px;
      height: 52px;
      border: 1px solid var(--paper-dark);
      border-radius: 3px;
      background: linear-gradient(180deg, #F2EDE4 0%, #D8D0C4 100%);
      box-shadow:
        0 3px 10px rgba(26, 22, 18, 0.2),
        inset 2px 0 0 rgba(201, 148, 26, 0.28),
        inset -2px 0 0 rgba(184, 92, 48, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.55);
      cursor: ew-resize;
      transform: translate(-50%, -50%);
    }

    .fader-knob::before {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 16px;
      height: 1.5px;
      content: "";
      border-radius: 1px;
      background: rgba(26, 22, 18, 0.18);
      transform: translate(-50%, -50%);
    }

    .fader-knob::after {
      position: absolute;
      top: calc(50% + 5px);
      left: 50%;
      width: 10px;
      height: 1px;
      content: "";
      border-radius: 1px;
      background: rgba(26, 22, 18, 0.09);
      transform: translate(-50%, -50%);
    }

    .fader-knob:hover {
      box-shadow:
        0 5px 14px rgba(26, 22, 18, 0.26),
        inset 2px 0 0 rgba(201, 148, 26, 0.38),
        inset -2px 0 0 rgba(184, 92, 48, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.65);
      transform: translate(-50%, -50%) translateY(-1px);
    }

    .fader-track .drag-cue {
      position: absolute;
      top: 18px;
      left: clamp(24px, calc(var(--fader) + 22px), calc(100% - 54px));
      z-index: 1;
      width: 44px;
      height: 1px;
      pointer-events: none;
      opacity: 0;
      background: linear-gradient(90deg, rgba(201, 148, 26, 0.56), rgba(184, 92, 48, 0));
      transform-origin: left center;
    }

    .fader-track .drag-cue::after {
      position: absolute;
      top: 50%;
      right: 0;
      width: 5px;
      height: 5px;
      content: "";
      border-top: 1px solid rgba(201, 148, 26, 0.65);
      border-right: 1px solid rgba(201, 148, 26, 0.65);
      transform: translateY(-50%) rotate(45deg);
    }

    .fader-knob.is-magnetic {
      transition: left 500ms var(--spring);
    }

    .crossfader.is-dragging,
    .crossfader.is-dragging .fader-track {
      cursor: ew-resize;
    }

    .crossfader.is-dragging .fader-knob,
    .fader-knob.is-dragging {
      cursor: ew-resize;
      box-shadow:
        0 6px 18px rgba(26, 22, 18, 0.28),
        inset 2px 0 0 rgba(201, 148, 26, 0.5),
        inset -2px 0 0 rgba(184, 92, 48, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.65),
        0 0 0 2px rgba(201, 148, 26, 0.2);
    }

    .crossfader.is-dragging .fader-knob::before {
      animation: none;
      opacity: 1;
    }

    .crossfader.is-dragging .drag-cue {
      opacity: 0;
    }

    @keyframes fader-click-drag-halo {
      0%,
      62%,
      100% {
        opacity: 0;
        border-color: rgba(201, 148, 26, 0);
        box-shadow: none;
        transform: translate(-50%, -50%) scale(0.72);
      }

      9% {
        opacity: 1;
        border-color: rgba(201, 148, 26, 0.34);
        box-shadow: 0 0 18px rgba(201, 148, 26, 0.12);
        transform: translate(-50%, -50%) scale(1);
      }

      22% {
        opacity: 0.76;
        border-color: rgba(201, 148, 26, 0.2);
        transform: translate(calc(-50% + 10px), -50%) scale(1.04);
      }

      34% {
        opacity: 0;
        border-color: rgba(201, 148, 26, 0);
        transform: translate(calc(-50% + 22px), -50%) scale(0.94);
      }
    }

    @keyframes fader-drag-cue {
      0%,
      12%,
      60%,
      100% {
        opacity: 0;
        transform: scaleX(0.1);
      }

      22% {
        opacity: 0.68;
        transform: scaleX(1);
      }

      34% {
        opacity: 0;
        transform: scaleX(1.18);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .fader-knob::before,
      .fader-track .drag-cue {
        animation: none;
      }
    }

    .fader-caption {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      color: var(--grey-warm);
      font-size: 9.8px;
      letter-spacing: 0.2em;
      text-align: center;
      text-transform: uppercase;
    }

    .fader-caption::before,
    .fader-caption::after {
      width: 24px;
      height: 1px;
      content: "";
    }

    .fader-caption::before {
      background: var(--ochre);
    }

    .fader-caption::after {
      background: var(--rust);
    }

    .toggle-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 0;
      padding: 0 0 0 6px;
      border: 0;
      border-left: 2px solid var(--slate);
      border-radius: 0;
      color: var(--ink-mid);
      background: transparent;
      font-size: 10px;
      font-weight: 500;
      line-height: 1.4;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      cursor: pointer;
      user-select: none;
      white-space: nowrap;
    }

    .toggle-label:hover {
      color: var(--ink);
    }

    .toggle-label input {
      width: 13px;
      height: 13px;
      accent-color: var(--slate);
    }

    .icon-button {
      min-width: 0;
      height: auto;
      padding: 3px 7px;
      border: 1px solid var(--paper-dark);
      border-radius: 0;
      color: var(--ink-mid);
      background: transparent;
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.14em;
      cursor: pointer;
      transition: color 150ms var(--ease), border-color 150ms var(--ease);
    }

    .icon-button:hover {
      color: var(--ink);
      border-color: var(--ink-mid);
    }

    .icon-button.active {
      color: var(--paper);
      background: var(--slate);
      border-color: var(--slate);
    }

    .footer {
      margin-top: auto;
      padding-top: 8px;
      color: var(--ink-mid);
      font-size: 10px;
      letter-spacing: -0.02em;
      text-align: right;
      text-transform: lowercase;
    }

    @media (max-width: 900px) {
      .track-loaders {
        grid-template-columns: 1fr;
      }

      .global-controls {
        grid-template-columns: 1fr;
        align-items: stretch;
      }
    }

    @media (max-height: 760px) {
      .content-card {
        top: 10px;
        right: 14px;
        width: 188px;
      }

      .content-card-image-wrap {
        aspect-ratio: 5 / 2;
      }

      .content-card-meta {
        padding: 12px 14px 16px;
      }

      .content-card-desc {
        -webkit-line-clamp: 2;
      }

      .page {
        height: calc(100dvh - 16px);
        margin: 8px auto;
        padding-top: 30px;
        padding-bottom: 10px;
      }

      .hero {
        gap: 4px;
        padding-bottom: 10px;
      }

      .hero h1 {
        font-size: clamp(38px, 6.2vw, 58px);
      }

      .tagline {
        margin-top: 4px;
      }

      .hairline {
        margin-bottom: 8px;
      }

      .catalog-rail {
        min-height: 62px;
      }

      .catalog-rail-head {
        min-width: 96px;
        padding: 9px 11px;
      }

      .catalog-grid {
        grid-auto-columns: minmax(200px, 240px);
        padding: 8px;
      }

      .catalog-card {
        grid-template-columns: 58px minmax(0, 1fr);
      }

      .track-loaders {
        padding: 10px 14px;
      }

      .drop-zone {
        min-height: 82px;
        margin-bottom: 8px;
        padding: 12px;
      }

      .video-frame {
        height: 100%;
      }

      .global-controls {
        gap: 10px;
        padding-top: 4px;
      }

      .fader-track {
        height: 46px;
      }

      .fader-ticks {
        top: 29px;
      }

      .fader-track::before,
      .fader-track::after {
        top: 12px;
      }

      .fader-center {
        top: 25px;
      }

      .fader-caption,
      .footer {
        display: none;
      }
    }

    @media (max-height: 560px) and (orientation: landscape) {
      html {
        height: auto;
        min-height: 100%;
        overflow-x: hidden;
        overflow-y: auto;
      }

      body {
        height: auto;
        min-height: 100dvh;
        overflow-x: hidden;
        overflow-y: visible;
      }

      .page {
        height: auto;
        min-height: calc(100dvh - 16px);
      }

      .stage {
        min-height: 248px;
      }

      .wave-label {
        top: 28px;
        font-size: 11px;
      }
    }

    @media (max-width: 1220px) and (min-width: 769px) {
      .content-card {
        top: 16px;
        right: 14px;
        width: clamp(188px, 18vw, 218px);
      }

      .content-card-meta {
        padding: 12px 14px 16px;
      }

      .content-card-desc {
        -webkit-line-clamp: 2;
      }
    }

    @media (max-width: 1040px) and (min-width: 769px) {
      .content-card {
        top: 12px;
        right: 10px;
        width: 188px;
      }

      .content-card-image-wrap {
        aspect-ratio: 5 / 2;
      }
    }

    @media (max-width: 1220px) and (min-width: 769px) and (max-height: 760px) {
      .content-card {
        width: 188px;
      }
    }

    @media (max-width: 768px) {
      .catalog-rail {
        grid-template-columns: 1fr;
        gap: 0;
        min-height: 0;
      }

      .catalog-rail-head {
        display: flex;
        justify-content: space-between;
        min-width: 0;
        padding: 7px 10px;
        border-right: 0;
        border-bottom: 1px solid var(--paper-dark);
      }

      .catalog-grid {
        grid-auto-columns: minmax(210px, 76vw);
        padding: 8px 10px;
      }

      .volume-knob-wrap {
        position: relative;
      }

      .volume-popup {
        position: absolute;
        bottom: calc(100% + 10px);
        left: 50%;
        z-index: 20;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        width: 36px;
        padding: 12px 0 10px;
        border: 1px solid var(--paper-dark);
        border-radius: 4px 4px 2px 2px;
        background: rgba(242, 237, 228, 0.88);
        box-shadow:
          0 -4px 20px rgba(26, 22, 18, 0.14),
          inset 0 1px 0 rgba(255, 255, 255, 0.6);
        opacity: 0;
        pointer-events: none;
        transform: translateX(-50%) scaleY(0.85);
        transform-origin: bottom center;
        transition:
          opacity 220ms var(--ease),
          transform 220ms var(--spring);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
      }

      .volume-popup.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateX(-50%) scaleY(1);
      }

      .volume-popup-track {
        position: relative;
        width: 4px;
        height: 120px;
        border-radius: 0;
        background: var(--paper-dark);
        box-shadow: inset 0 1px 3px rgba(26, 22, 18, 0.12);
        cursor: pointer;
        touch-action: none;
      }

      .volume-popup-track::after {
        position: absolute;
        right: -4px;
        bottom: 66.67%;
        left: -4px;
        height: 1px;
        content: "";
        background: rgba(201, 148, 26, 0.45);
        pointer-events: none;
      }

      .volume-popup-fill {
        position: absolute;
        right: 0;
        bottom: 0;
        left: 0;
        background: var(--slate);
        opacity: 0.7;
        pointer-events: none;
      }

      .volume-popup-thumb {
        position: absolute;
        left: 50%;
        width: 20px;
        height: 12px;
        border: 1px solid var(--paper-dark);
        border-radius: 2px;
        background: linear-gradient(180deg, #F0EBE2 0%, #DDD6CA 100%);
        box-shadow:
          0 1px 4px rgba(26, 22, 18, 0.18),
          inset 0 1px 0 rgba(255, 255, 255, 0.5),
          inset 1px 0 0 rgba(201, 148, 26, 0.25),
          inset -1px 0 0 rgba(184, 92, 48, 0.25);
        cursor: ns-resize;
        transform: translate(-50%, 50%);
      }

      .volume-popup-thumb::after {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 10px;
        height: 1px;
        content: "";
        background: var(--ink-faint);
        transform: translate(-50%, -50%);
      }

      .volume-popup-db {
        color: var(--ink-mid);
        font-family: var(--mono);
        font-size: 8px;
        line-height: 1;
        letter-spacing: 0.06em;
        text-align: center;
        white-space: nowrap;
      }

      .card-overlay {
        position: fixed;
        inset: 0;
        z-index: 199;
        display: block;
        background: rgba(15, 26, 16, 0.18);
        opacity: 0;
        pointer-events: none;
        transition: opacity 320ms var(--ease);
      }

      .card-overlay.visible {
        opacity: 1;
        pointer-events: auto;
      }

      .content-card {
        top: 0;
        right: clamp(-320px, -80vw, -260px);
        bottom: 0;
        z-index: 200;
        width: clamp(260px, 80vw, 320px);
        max-height: 100dvh;
        overflow-y: auto;
        border: 1px solid transparent;
        border-left: 3px solid transparent;
        background: transparent;
        box-shadow: none;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
        transition:
          right 420ms var(--spring),
          background 220ms var(--ease),
          border-color 220ms var(--ease),
          box-shadow 220ms var(--ease);
        -webkit-overflow-scrolling: touch;
      }

      .content-card.drawer-open {
        border-color: var(--paper-dark);
        border-left-color: var(--ochre);
        background: var(--paper);
        box-shadow: -4px 0 24px rgba(26, 22, 18, 0.18);
        right: 0;
        width: clamp(260px, 80vw, 320px);
        max-width: 320px;
      }

      .content-card:not(.drawer-open) .content-card-image-wrap,
      .content-card:not(.drawer-open) .content-card-meta {
        visibility: hidden;
      }

      .content-card-tab {
        position: fixed;
        top: 50%;
        right: 0;
        z-index: 201;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 7px;
        width: 32px;
        height: 104px;
        padding: 0;
        border: 1px solid rgba(201, 148, 26, 0.4);
        border-right: none;
        border-radius: 8px 0 0 8px;
        background: rgba(201, 148, 26, 0.72);
        backdrop-filter: blur(10px);
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.22),
          inset 0 -1px 0 rgba(0, 0, 0, 0.1),
          -3px 0 16px rgba(201, 148, 26, 0.25);
        color: rgba(255, 255, 255, 0.92);
        cursor: pointer;
        transform: translateY(-50%);
        transition:
          background 200ms var(--ease),
          box-shadow 200ms var(--ease),
          right 420ms var(--spring);
        animation: tabPulse 700ms ease-out 2s 2 forwards;
        -webkit-backdrop-filter: blur(10px);
        -webkit-tap-highlight-color: transparent;
      }

      .content-card-tab:hover {
        background: rgba(201, 148, 26, 0.88);
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.28),
          -4px 0 20px rgba(201, 148, 26, 0.4);
      }

      .content-card.drawer-open .content-card-tab {
        border-color: rgba(201, 148, 26, 0.35);
        background: rgba(242, 237, 228, 0.82);
        backdrop-filter: blur(10px);
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.5),
          -3px 0 12px rgba(26, 22, 18, 0.12);
        color: var(--ochre);
        -webkit-backdrop-filter: blur(10px);
      }

      .content-card.was-opened .content-card-tab {
        animation: none;
      }

      .tab-icon {
        flex-shrink: 0;
        width: 10px;
        height: 10px;
        color: rgba(255, 255, 255, 0.85);
      }

      .content-card.drawer-open .content-card-tab span,
      .content-card.drawer-open .tab-icon {
        color: var(--ochre);
      }

      .content-card-tab span {
        display: block;
        font-family: var(--mono);
        font-size: 8px;
        font-weight: 500;
        line-height: 1;
        letter-spacing: 0.22em;
        color: rgba(255, 255, 255, 0.92);
        text-transform: uppercase;
        writing-mode: vertical-rl;
        text-orientation: mixed;
        transform: rotate(180deg);
        user-select: none;
      }

      .content-card-image-wrap {
        aspect-ratio: 16 / 9;
      }

      .content-card-meta {
        padding: 18px 20px 24px;
      }

      .content-card-title,
      .content-card-author {
        overflow: visible;
        text-overflow: clip;
        white-space: normal;
      }

      .content-card .content-card-title {
        font-size: 20px;
        line-height: 1.4;
        letter-spacing: 0.02em;
      }

      .content-card .content-card-author {
        margin-top: 8px;
        font-size: 18px;
        line-height: 1.4;
      }

      .content-card .content-card-desc {
        margin-top: 12px;
        font-size: 17px;
        font-style: italic;
        line-height: 1.8;
        -webkit-line-clamp: 6;
      }

      .content-card .content-card-detail,
      .content-card .content-card-source {
        margin-top: 8px;
        font-size: 14px;
        font-weight: 500;
        letter-spacing: 0.10em;
      }

      .content-card-detail + .content-card-detail {
        margin-top: 4px;
      }

      .content-card-source {
        letter-spacing: 0.12em;
      }

      .meta-load-btn {
        margin-top: 12px;
        padding: 10px 0;
        font-size: 11px;
        letter-spacing: 0.14em;
      }
    }

    @media (max-width: 560px) {
      .stage-crossfader {
        --stage-knob-y: 0px;
        top: 31px;
        bottom: 19px;
      }

      .stage-crossfader::before {
        width: 52px;
      }

      .stage-crossfader-knob {
        width: 38px;
        height: 38px;
        font-size: 15px;
      }

      .wave-label {
        max-width: calc(50% - 38px);
        padding: 3px 0 4px;
        font-size: 11px;
        letter-spacing: 0.1em;
        white-space: normal;
      }

      .wave-label::before {
        width: 14px;
      }

      .wave-label--en {
        top: 46px;
        left: 14px;
      }

      .wave-label--ptbr {
        top: 46px;
        right: 14px;
      }

      .stage.stage-crossfader-interacted .wave-label {
        max-width: none;
        padding: 0;
        font-size: 9px;
        letter-spacing: 0.14em;
        white-space: nowrap;
      }

      .stage.stage-crossfader-interacted .wave-label--en {
        left: 14px;
      }
    }

    @keyframes tabPulse {
      0%,
      100% {
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.22),
          -3px 0 16px rgba(201, 148, 26, 0.25);
      }

      50% {
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.22),
          -6px 0 28px rgba(201, 148, 26, 0.55),
          0 0 0 3px rgba(201, 148, 26, 0.15);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .content-card-tab {
        animation: none;
      }
    }

    @media (max-width: 560px) {
      .page {
        width: min(100% - 20px, 1180px);
        padding-top: 78px;
      }

      .caption-pill {
        border-radius: 2px;
      }
    }