* {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --bg: #0f0f0f;
      --text-main: #ffffff;
      --text-muted: #aaaaaa;
      --segment-active: #ffffff;
      --segment-dim: #222222;
      --panel-bg: #212121;
      --panel-border: #383838;
      --panel-shadow: rgba(0, 0, 0, 0.55);
      --input-bg: #141414;
      --input-border: #444444;
      --curve-track: #181818;
      --active-border: #ffffff;
      --active-color: #ffffff;
      --btn-reset-bg: #303030;
      --btn-reset-text: #ffffff;
      --btn-toggle-bg: #ffffff;
      --btn-toggle-text: #0f0f0f;
    }

    body.light-theme {
      --bg: #ffffff;
      --text-main: #0f0f0f;
      --text-muted: #606060;
      --segment-active: #0f0f0f;
      --segment-dim: #eeeeee;
      --panel-bg: #ffffff;
      --panel-border: #e5e5e5;
      --panel-shadow: rgba(0, 0, 0, 0.16);
      --input-bg: #f8f8f8;
      --input-border: #d0d0d0;
      --curve-track: #f7f7f7;
      --active-border: #0f0f0f;
      --active-color: #0f0f0f;
      --btn-reset-bg: #e5e5e5;
      --btn-reset-text: #0f0f0f;
      --btn-toggle-bg: #0f0f0f;
      --btn-toggle-text: #ffffff;
    }

    /* Color Naranja Sólido */
    body.digit-orange {
      --segment-active: #ff9800 !important;
    }

    body {
      background-color: var(--bg);
      color: var(--text-main);
      font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
      min-height: 100vh;
      width: 100vw;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      user-select: none;
      transition: background-color 0.2s ease, color 0.2s ease;
      position: relative;
    }

    /* Ocultar flechitas de input number */
    input[type="number"]::-webkit-outer-spin-button,
    input[type="number"]::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    input[type="number"] {
      -moz-appearance: textfield;
      appearance: textfield;
    }

    /* Botón 3 Puntos Arriba a la Derecha */
    .top-menu-btn {
      position: fixed;
      top: 18px;
      right: 20px;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: transparent;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background-color 0.15s, color 0.15s, opacity 0.2s;
      z-index: 100;
      opacity: 0.7;
    }

    .top-menu-btn:hover {
      background-color: rgba(128, 128, 128, 0.15);
      opacity: 1;
      color: var(--text-main);
    }

    .top-menu-btn svg {
      width: 20px;
      height: 20px;
      fill: currentColor;
    }

    /* Display 7 Segmentos Sólido */
    .display-wrapper {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: 'DSEG7-Classic-Bold', 'DSEG7-Classic', monospace;
      font-weight: 700;
      letter-spacing: 4px;
      line-height: 1;
      font-size: min(18vw, 170px);
      cursor: pointer;
      margin-bottom: 32px;
    }

    .segment-dim-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      color: var(--segment-dim);
      pointer-events: none;
      user-select: none;
      z-index: 1;
    }

    .segment-active-digits {
      position: relative;
      color: var(--segment-active);
      z-index: 2;
    }

    /* Botones Principales: Reiniciar y Parar/Iniciar */
    .main-controls-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      z-index: 10;
    }

    .btn-main-action {
      padding: 10px 24px;
      border: none;
      border-radius: 8px;
      font-family: inherit;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: background-color 0.15s ease, opacity 0.12s ease, transform 0.1s ease;
      min-width: 110px;
    }

    .btn-main-action:active {
      transform: translateY(1px);
    }

    .btn-main-reset {
      background-color: var(--btn-reset-bg);
      color: var(--btn-reset-text);
    }

    .btn-main-reset:hover {
      opacity: 0.85;
    }

    .btn-main-toggle {
      background-color: var(--btn-toggle-bg);
      color: var(--btn-toggle-text);
    }

    .btn-main-toggle:hover {
      opacity: 0.88;
    }

    /* PANEL DE CONFIGURACIÓN COMPACTO (Estilo views.html) */
    .config-modal {
      position: fixed;
      top: 62px;
      right: 20px;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 16px;
      box-shadow: 0 10px 30px var(--panel-shadow);
      padding: 16px;
      width: 320px;
      max-height: calc(100vh - 80px);
      overflow-y: auto;
      z-index: 200;
      display: none;
      flex-direction: column;
      gap: 12px;
      animation: modalFadeIn 0.12s ease-out;
    }

    .config-modal.open {
      display: flex;
    }

    @keyframes modalFadeIn {
      from { opacity: 0; transform: translateY(-6px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 14px;
      font-weight: 700;
      padding-bottom: 6px;
      border-bottom: 1px solid var(--panel-border);
      color: var(--text-main);
    }

    .config-row {
      display: flex;
      flex-direction: column;
      gap: 5px;
    }

    .config-label-with-icon {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 11.5px;
      font-weight: 700;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.4px;
    }

    .config-label-with-icon svg {
      width: 14px;
      height: 14px;
      fill: currentColor;
    }

    .config-inputs-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 6px;
    }

    .config-input {
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      color: var(--text-main);
      padding: 7px 10px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 600;
      outline: none;
      width: 100%;
      text-align: center;
      font-family: inherit;
    }

    .config-input:focus {
      border-color: var(--active-border);
    }

    select.config-input {
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23777777'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 8px center;
      background-size: 16px;
      padding-right: 28px;
      text-align: left;
      cursor: pointer;
    }

    /* Selector de Opciones en Fila (Modo, Color, Tema) */
    .toggle-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }

    .toggle-btn-option {
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      color: var(--text-main);
      padding: 7px 10px;
      border-radius: 8px;
      font-size: 12px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: border-color 0.12s, color 0.12s;
    }

    .toggle-btn-option svg {
      width: 15px;
      height: 15px;
      flex-shrink: 0;
    }

    .toggle-btn-option.active {
      border-color: var(--active-border);
      color: var(--active-color);
      font-weight: 700;
    }

    /* SECCIÓN DE GRÁFICA / LÍNEA DE VELOCIDAD PARA TIMELAPSE */
    .curve-section {
      background: var(--curve-track);
      border: 1px solid var(--input-border);
      border-radius: 12px;
      padding: 10px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-top: 4px;
    }

    .curve-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 11px;
      font-weight: 700;
      color: var(--text-muted);
      text-transform: uppercase;
    }

    .curve-reset-btn {
      background: transparent;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      transition: all 0.15s ease;
    }

    .curve-reset-btn:hover {
      color: var(--text-main);
      background: rgba(128, 128, 128, 0.15);
      transform: rotate(-45deg);
    }

    .curve-reset-btn svg {
      width: 14px;
      height: 14px;
      fill: currentColor;
    }

    .curve-canvas-wrapper {
      width: 100%;
      height: 72px;
      background: var(--panel-bg);
      border: 1px solid var(--input-border);
      border-radius: 8px;
      position: relative;
      overflow: hidden;
      cursor: crosshair;
      touch-action: none;
    }

    .curve-svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .speed-reference-line {
      stroke: currentColor;
      opacity: 0.15;
      stroke-dasharray: 3,3;
    }

    .curve-handle {
      cursor: grab;
      transition: r 0.1s;
    }
    .curve-handle:hover {
      r: 6.5;
    }
    .curve-handle:active, .curve-handle.dragging {
      cursor: grabbing;
      r: 8;
    }

    /* Botón Iniciar Integrado en el Panel */
    .panel-action-row {
      display: flex;
      gap: 8px;
      margin-top: 4px;
    }

    .btn-panel-toggle {
      flex: 1;
      padding: 9px;
      border: none;
      border-radius: 8px;
      font-family: inherit;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: var(--btn-toggle-bg);
      color: var(--btn-toggle-text);
      transition: opacity 0.15s;
    }
    .btn-panel-toggle:hover {
      opacity: 0.88;
    }

    /* Controles de Sonido Customizado en Time Up */
    .custom-sound-container {
      margin-top: 2px;
    }

    .btn-upload-sound {
      background: var(--input-bg);
      border: 1px dashed var(--input-border);
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 600;
      padding: 8px 12px;
      border-radius: 8px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      width: 100%;
      justify-content: center;
      transition: all 0.15s ease;
      font-family: inherit;
    }

    .btn-upload-sound:hover {
      color: var(--text-main);
      border-color: var(--text-muted);
      background: var(--curve-track);
    }

    .btn-upload-sound svg {
      flex-shrink: 0;
      width: 13px;
      height: 13px;
    }

    .custom-sound-active-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      padding: 6px 10px;
      border-radius: 8px;
      font-size: 12px;
      color: var(--text-main);
      width: 100%;
    }

    .custom-sound-info {
      display: flex;
      align-items: center;
      gap: 6px;
      min-width: 0;
      flex: 1;
    }

    .custom-sound-info svg {
      flex-shrink: 0;
      width: 13px;
      height: 13px;
      color: var(--text-muted);
    }

    .custom-sound-name {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-weight: 500;
    }

    .btn-remove-sound {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--panel-border);
      color: #ffffff;
      cursor: pointer;
      font-size: 13px;
      line-height: 1;
      width: 19px;
      height: 19px;
      padding: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      transition: all 0.15s ease;
      flex-shrink: 0;
    }

    .btn-remove-sound:hover {
      background-color: rgba(255, 255, 255, 0.2);
      border-color: #ffffff;
      color: #ffffff;
    }

    /* Enlace Salir al Menú */
    .exit-link {
      color: var(--text-muted);
      font-size: 12px;
      text-decoration: none;
      text-align: center;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 4px;
      margin-top: 2px;
      transition: color 0.12s;
    }

    .exit-link:hover {
      color: var(--text-main);
    }

    .exit-link svg {
      width: 14px;
      height: 14px;
    }