/* ============================================================
   SleepyParticles Studio — Design System
   Temas centralizados em variables (dark / light via [data-theme]).
   ============================================================ */

:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r-sm:7px; --r-md:10px; --r-lg:12px; --t-fast:120ms; --t-med:160ms;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  overflow: hidden;
  background: var(--bg-app);
  color: var(--text);
  font: 13px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr var(--status-h);
}

svg { display: block; }
button { font: inherit; color: inherit; }
::selection { background: rgba(139, 92, 255, .35); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
  border-radius: 4px;
}

/* scrollbars */
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ============================================================
   TOP BAR
   ============================================================ */

#topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 14px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  z-index: 30;
  user-select: none;
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-logo { width: 30px; height: 30px; flex: none; overflow: hidden; }
.brand-logo svg { width: 100%; height: 100%; }
.brand-logo img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-name { font-size: 14px; font-weight: 600; letter-spacing: .2px; white-space: nowrap; }
.brand-tag {
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: 1.8px;
  color: var(--text3);
  white-space: nowrap;
}

.top-divider { width: 1px; height: 26px; background: var(--border-strong); flex: none; }

.lang-select {
  background: var(--bg-input);
  color: var(--text2);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  padding: 6px;
  font: inherit;
  font-size: 12px;
  outline: none;
  cursor: pointer;
  width: auto;
  margin: 0;
}
.lang-select:hover { color: var(--text); }
.lang-select:focus { border-color: var(--cyan); }
.lang-select option { background: var(--bg-panel3); color: var(--text); }

.support:hover { color: var(--amber); border-color: rgba(255, 194, 77, .5); }

.linklike {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--text2);
  font-size: 11px;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--t-fast);
}
.linklike:hover { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

/* Shared dialog content */
.modal-box {
  width: min(720px, calc(100vw - 48px));
  max-height: min(78vh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-head h2 { margin: 0; font-size: 16px; font-weight: 600; }
.legal-tabs { display: flex; gap: 4px; padding: 10px 18px 0; border-bottom: 1px solid var(--border); }
.legal-tabs button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text2);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 10px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.legal-tabs button:hover { color: var(--text); }
.legal-tabs button.active { color: var(--cyan); border-bottom-color: var(--cyan); }
.legal-content {
  padding: 16px 18px 22px;
  overflow-y: auto;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text2);
}
.legal-content strong { color: var(--text); }
.legal-content a { color: var(--cyan); text-decoration: none; }
.legal-content a:hover { text-decoration: underline; }
.legal-content code {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11px;
}

.project {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 0 1 auto;
}
.project-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text3);
}
#projectName {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 5px 8px;
  font: inherit;
  font-weight: 500;
  width: 170px;
  min-width: 110px;
  outline: none;
  transition: border-color var(--t-med), background var(--t-med);
}
#projectName:hover { border-color: var(--border-strong); }
#projectName:focus { border-color: var(--cyan); background: var(--bg-input); }

.top-stats { display: flex; gap: 18px; margin-left: auto; padding-right: 6px; }
.stat { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.25; }
.stat-label { font-size: 8.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--text3); }
.stat-value { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }

.top-actions { display: flex; align-items: center; gap: 8px; }

/* ============================================================
   BOTÕES
   ============================================================ */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: transparent;
  padding: 7px 12px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), filter var(--t-fast);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn:disabled { opacity: .38; cursor: not-allowed; }

.btn.icon-only { padding: 7px 8px; }

.btn.primary {
  border: 0;
  color: #fff;
  background: var(--primary-grad);
  font-weight: 600;
  box-shadow: 0 2px 14px rgba(96, 102, 255, .28);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.primary:disabled { box-shadow: none; }

.btn.ghost { border-color: transparent; }
.btn.ghost:hover { background: var(--bg-hover); }

.btn.tiny { padding: 3px 9px; font-size: 11px; border-radius: 6px; }

/* Theme switch (3 estados) */
.theme-switch {
  display: flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.theme-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text2);
  padding: 6px 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background var(--t-fast), color var(--t-fast);
}
.theme-switch button + button { border-left: 1px solid var(--border); }
.theme-switch button svg { width: 14px; height: 14px; }
.theme-switch button:hover { color: var(--text); }
.theme-switch button.active {
  background: var(--bg-active);
  color: var(--cyan);
}

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */

#main {
  display: grid;
  grid-template-columns: var(--rail-w) var(--left-w) minmax(0, 1fr) var(--right-w);
  min-height: 0;
  transition: grid-template-columns var(--t-med) ease;
}
body.left-collapsed #main { grid-template-columns: var(--rail-w) 0 minmax(0, 1fr) var(--right-w); }
body.right-collapsed #main { grid-template-columns: var(--rail-w) var(--left-w) minmax(0, 1fr) 0; }
body.left-collapsed.right-collapsed #main { grid-template-columns: var(--rail-w) 0 minmax(0, 1fr) 0; }

#leftPanel, #rightPanel { overflow: hidden; display: flex; flex-direction: column; min-width: 0; }

/* ============================================================
   NAV RAIL
   ============================================================ */

#rail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 8px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 20;
}
.rail-item {
  appearance: none;
  border: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 9px 2px 7px;
  border-radius: var(--r-sm);
  color: var(--text2);
  cursor: pointer;
  position: relative;
  transition: background var(--t-fast), color var(--t-fast);
}
.rail-item svg { width: 18px; height: 18px; }
.rail-item span {
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: .6px;
  text-transform: uppercase;
  text-align: center;
}
.rail-item:hover { color: var(--text); background: var(--bg-hover); }
.rail-item.active { color: var(--text); background: var(--bg-active); }
.rail-item.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 22%;
  bottom: 22%;
  width: 2px;
  border-radius: 2px;
  background: var(--accent-grad);
}

/* ============================================================
   PAINÉIS LATERAIS
   ============================================================ */

.panel-body { overflow-y: auto; overflow-x: hidden; padding: 16px 16px 24px; flex: 1; min-height: 0; }

#rightPanel { border-left: 1px solid var(--border); background: var(--bg-panel); }
#leftPanel { border-right: 1px solid var(--border); background: var(--bg-panel); }

.panel-page { display: none; }
.panel-page.active { display: block; }

.panel-title { font-size: 15px; font-weight: 600; margin: 0 0 4px; letter-spacing: .1px; }
.panel-desc { color: var(--text2); font-size: 12px; margin: 0 0 14px; line-height: 1.45; }

.section-label {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--text3);
  margin: 18px 0 6px;
}
.panel-page > .section-label:first-of-type { margin-top: 14px; }

/* Cards (right panel + blocos do left) */
.card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel2);
  padding: 12px 14px;
  margin-bottom: 12px;
}
.card-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
}

.note { color: var(--text3); font-size: 11px; line-height: 1.5; margin: 10px 0 0; }

/* ============================================================
   CONTROLES
   ============================================================ */

.control { margin: 10px 0; }
.control.tight { margin: 6px 0; }
.row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
label { font-size: 12px; color: var(--text); font-weight: 400; }
.row label { color: var(--text2); }
output {
  font-size: 11px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* Sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 20px;
  margin: 3px 0 0;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 3px;
  background: var(--track);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text);
  margin-top: -4.5px;
  box-shadow: var(--thumb-glow);
  transition: transform var(--t-fast);
}
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]::-moz-range-track { height: 3px; border-radius: 3px; background: var(--track); }
input[type="range"]::-moz-range-progress { height: 3px; border-radius: 3px; background: var(--accent-grad); }
input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text);
  border: none;
}

/* Toggles */
.switch { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 0; }
.switch label { cursor: pointer; }
input[type="checkbox"] {
  appearance: none;
  width: 34px;
  height: 19px;
  flex: none;
  border-radius: 999px;
  background: var(--track);
  border: 1px solid var(--border-strong);
  position: relative;
  cursor: pointer;
  transition: background var(--t-med), border-color var(--t-med);
  margin: 0;
}
input[type="checkbox"]::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--text2);
  transition: transform var(--t-med), background var(--t-med);
}
input[type="checkbox"]:checked {
  background: linear-gradient(90deg, rgba(52, 215, 255, .55), rgba(139, 92, 255, .55));
  border-color: transparent;
}
input[type="checkbox"]:checked::before { transform: translateX(15px); background: #fff; }

/* Selects / numbers */
select, input[type="number"] {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  padding: 7px 9px;
  outline: none;
  font: inherit;
  font-size: 12.5px;
  transition: border-color var(--t-fast);
}
select { width: 100%; margin-top: 6px; }
select:focus, input[type="number"]:focus { border-color: var(--cyan); }
input[type="number"] { width: 100%; }
select.small { width: auto; flex: 1; margin-top: 0; padding: 5px 7px; font-size: 11.5px; }

/* Color pickers */
.color-grid { display: grid; gap: 8px; margin: 10px 0; }
.color-row {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 8px;
  align-items: center;
}
.gradient-preview {
  height: 22px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
}
.color-cell { display: flex; flex-direction: column; gap: 3px; }
.color-cell small { color: var(--text3); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; }
input[type="color"] {
  appearance: none;
  width: 44px;
  height: 30px;
  padding: 2px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: var(--bg-input);
  cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 4px; }
input[type="color"]::-moz-color-swatch { border: 0; border-radius: 4px; }

/* Drop zones */
.drop {
  display: grid;
  place-items: center;
  min-height: 72px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-md);
  padding: 12px;
  text-align: center;
  cursor: pointer;
  background: var(--bg-panel2);
  transition: border-color var(--t-fast), background var(--t-fast);
  margin-bottom: 10px;
}
.drop:hover, .drop.drag { border-color: var(--cyan); background: var(--bg-active); }
.drop strong { font-size: 12.5px; font-weight: 600; }
.drop small { display: block; color: var(--text2); margin-top: 4px; font-size: 11px; line-height: 1.35; }
.drop.compact { min-height: 44px; padding: 8px 10px; margin-bottom: 8px; }
.drop.compact small { margin-top: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; display: block; }

.aux-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 12px 0 5px;
}
.aux-head span { font-size: 11.5px; color: var(--text2); }

/* Source loaded cards */
.source-card {
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel2);
  padding: 10px;
  margin-bottom: 10px;
}
.source-thumb {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border-strong);
  background: var(--viewport-bg);
  flex: none;
}
.source-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.source-name { font-size: 12px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-meta { font-size: 11px; color: var(--text2); font-variant-numeric: tabular-nums; }
.source-remove { flex: none; }

#waveCanvas { width: 100%; height: 36px; display: block; border-radius: 6px; background: var(--bg-input); }

/* FFT meters verticais */
.fft-meters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 14px 12px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel2);
  margin-bottom: 10px;
}
.meter { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.meter-track {
  width: 14px;
  height: 74px;
  border-radius: 7px;
  background: var(--track);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.meter-fill {
  width: 100%;
  height: 0%;
  border-radius: 7px;
  transition: height 90ms linear;
}
#bassMeter { background: linear-gradient(0deg, var(--cyan), var(--cyan)); }
#midMeter { background: linear-gradient(0deg, var(--purple), var(--purple)); }
#trebleMeter { background: linear-gradient(0deg, var(--magenta), var(--magenta)); }
.meter-label { font-size: 9px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text3); }
.meter-value { font-size: 10.5px; color: var(--text2); font-variant-numeric: tabular-nums; }

/* Mapeamentos / LFOs / bandas */
.map-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel2);
  padding: 9px 11px;
  margin: 8px 0;
}
.map-head { display: flex; align-items: center; gap: 6px; }
.map-head label.map-enabled {
  display: flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 11.5px;
  flex: none;
}
.map-head input[type="checkbox"] { width: 28px; height: 16px; }
.map-head input[type="checkbox"]::before { width: 10px; height: 10px; }
.map-head input[type="checkbox"]:checked::before { transform: translateX(12px); }
.map-head select { flex: 1; min-width: 0; margin-top: 0; padding: 5px 6px; font-size: 11.5px; }
.map-arrow { color: var(--text3); flex: none; }
.map-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 12px; }
.map-range { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr auto 1fr; align-items: center; gap: 6px; margin-top: 4px; }
.map-range label { font-size: 10px; color: var(--text2); }

.band { margin: 10px 0; padding: 10px 11px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-panel2); }
.band-head { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.band-title { font-size: 11.5px; font-weight: 600; flex: 1; }
.band-dash { color: var(--text3); font-size: 10.5px; }
.band-head input[type="number"] { width: 62px; }
.band-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 12px; }

/* Collapsibles (Advanced) */
details.adv {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel2);
  margin: 10px 0;
  padding: 0 11px;
}
details.adv summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text3);
}
details.adv summary::-webkit-details-marker { display: none; }
details.adv summary::after { content: '+'; font-size: 13px; color: var(--text2); }
details.adv[open] summary::after { content: '–'; }
details.adv > div { padding-bottom: 8px; }

/* ============================================================
   VIEWPORT
   ============================================================ */

#viewportWrap {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 12px;
  background: var(--bg-app);
  display: flex;
}
#viewport {
  position: relative;
  flex: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--viewport-bg);
  border: 1px solid var(--border);
  min-width: 0;
}
#stage { position: absolute; inset: 0; }
#stage canvas { display: block; width: 100%; height: 100%; }

.viewport-overlay {
  position: absolute;
  z-index: 6;
  font-size: 11px;
  color: rgba(235, 240, 250, .55);
  text-shadow: 0 1px 6px rgba(0, 0, 0, .6);
  pointer-events: none;
  user-select: none;
}
#vpHint { left: 14px; bottom: 12px; line-height: 1.5; }
#vpHint strong {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.6px;
  color: rgba(52, 215, 255, .8);
  margin-bottom: 2px;
}

.vp-chip {
  position: absolute;
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 13, 19, .72);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--r-sm);
  backdrop-filter: blur(6px);
  color: rgba(235, 240, 250, .8);
}
#vpProjection { top: 12px; left: 12px; padding: 4px 6px; }
#vpProjection select {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: 11.5px;
  padding: 2px 4px;
  margin: 0;
  width: auto;
  cursor: pointer;
  outline: none;
}
#vpProjection select option { background: #111722; color: #F5F7FB; }
#vpTools { top: 12px; right: 12px; padding: 3px 4px; }
#vpTools .btn {
  border: 0;
  background: transparent;
  color: rgba(235, 240, 250, .75);
  padding: 5px 7px;
}
#vpTools .btn:hover { color: #fff; background: rgba(255, 255, 255, .07); }
#vpTools .btn svg { width: 14px; height: 14px; }
#vpResolution { bottom: 12px; right: 12px; padding: 4px 6px; }
#vpResolution select {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: 11px;
  padding: 2px 4px;
  margin: 0;
  width: auto;
  cursor: pointer;
}
#vpResolution select option { background: #111722; color: #F5F7FB; }

/* Empty state */
#emptyState {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 8;
  pointer-events: none;
}
#emptyState.hidden { display: none; }
.empty-box {
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  padding: 34px 46px;
  border: 1.5px dashed var(--border-strong);
  border-radius: 14px;
  background: var(--bg-panel);
  backdrop-filter: none;
  transition: border-color var(--t-med);
  max-width: 430px;
}
#emptyState:hover .empty-box { border-color: var(--accent-primary); }
.empty-box svg.empty-icon { width: 34px; height: 34px; color: var(--text2); margin-bottom: 2px; }
.empty-box strong { font-size: 16px; font-weight: 600; }
.empty-box small { color: var(--text2); line-height: 1.5; font-size: 11.5px; }
.empty-box .btn { margin-top: 8px; }
.empty-links { display: flex; gap: 14px; margin-top: 2px; }
.empty-links button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text2);
  font-size: 11.5px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 2px;
}
.empty-links button:hover { color: var(--cyan); }

/* Drop overlay */
#dropOverlay {
  position: absolute;
  inset: 10px;
  z-index: 50;
  display: none;
  place-items: center;
  border: 2px dashed var(--cyan);
  border-radius: var(--r-lg);
  background: rgba(5, 7, 10, .78);
  backdrop-filter: blur(3px);
  pointer-events: none;
}
#dropOverlay.active { display: grid; }
#dropOverlayText { font-size: 17px; font-weight: 700; letter-spacing: 3.5px; color: var(--cyan); }

#presentHint {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(10, 13, 19, .8);
  border: 1px solid rgba(255, 255, 255, .12);
  color: rgba(235, 240, 250, .75);
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
}
#presentHint.fade { animation: presentFade 3.2s ease forwards; }
@keyframes presentFade {
  0% { opacity: 0; }
  12% { opacity: 1; }
  75% { opacity: 1; }
  100% { opacity: 0; }
}

/* ============================================================
   STATUS BAR
   ============================================================ */

#statusbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 12px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text2);
  z-index: 30;
  white-space: nowrap;
}
.status-group { display: flex; align-items: center; gap: 7px; min-width: 0; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text3); flex: none; }
.status-dot.playing { background: var(--green); box-shadow: 0 0 6px rgba(62, 230, 165, .5); }
#waveIcon { width: 13px; height: 13px; color: var(--text3); flex: none; }
.status-track { overflow: hidden; text-overflow: ellipsis; max-width: 150px; }
.status-time { color: var(--text3); font-variant-numeric: tabular-nums; }
.status-sep { width: 1px; height: 16px; background: var(--border-strong); flex: none; }
#statusPreview, #statusFPS { font-variant-numeric: tabular-nums; }
#exportState { font-variant-numeric: tabular-nums; }
#exportState.busy { color: var(--cyan); }
#statusbar .btn.primary { padding: 5px 12px; font-size: 12px; border-radius: var(--r-sm); }
#renderMenuBtn { display: inline-flex; align-items: center; }
#renderMenuBtn .arrow { margin-left: 2px; }

.menu-anchor { position: relative; }
.menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 210px;
  background: var(--bg-panel3);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 5px;
  box-shadow: var(--shadow-pop);
  z-index: 80;
  display: flex;
  flex-direction: column;
  max-height: 70vh;
  overflow: auto;
}
.menu[hidden] { display: none; }
.menu-item {
  appearance: none;
  border: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
  text-align: left;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
}
.menu-item:hover { background: var(--bg-active); }
.menu-item strong { font-size: 12px; font-weight: 600; }
.menu-item small { color: var(--text2); font-size: 10.5px; }
.menu-sep { height: 1px; background: var(--border); margin: 4px 6px; }

/* ============================================================
   TOASTS
   ============================================================ */

#toasts {
  position: fixed;
  right: 16px;
  bottom: 44px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 200px;
  max-width: 340px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  background: var(--bg-panel3);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 12px;
  box-shadow: var(--shadow-pop);
  animation: toastIn 180ms ease;
}
.toast.out { animation: toastOut 200ms ease forwards; }
.toast .toast-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.toast.success .toast-dot { background: var(--green); }
.toast.warning .toast-dot { background: var(--amber); }
.toast.error .toast-dot { background: var(--red); }
.toast.info .toast-dot { background: var(--cyan); }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateY(6px); } }

/* Progress */
.progress {
  height: 4px;
  border-radius: 999px;
  background: var(--track);
  overflow: hidden;
  margin-top: 10px;
  display: none;
}
.progress > div { height: 100%; width: 0%; background: var(--accent-grad); }

/* Botões utilitários */
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px; }
.vec-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.vec-cell small { display: block; color: var(--text3); font-size: 9px; letter-spacing: 1px; margin-bottom: 3px; }
.slot-row { display: flex; align-items: center; gap: 6px; margin: 6px 0; }
.slot-name { flex: 1; font-size: 11.5px; }
.slot-status { font-size: 10px; color: var(--text3); min-width: 34px; text-align: right; }

/* ============================================================
   FULLSCREEN PREVIEW
   ============================================================ */

body.presentation #topbar,
body.presentation #rail,
body.presentation #leftPanel,
body.presentation #rightPanel,
body.presentation #statusbar { display: none; }
body.presentation #main { grid-template-columns: 0 0 minmax(0, 1fr) 0; }
body.presentation #viewportWrap { padding: 0; }
body.presentation #viewport { border: 0; border-radius: 0; }

/* ============================================================
   RESPONSIVO
   ============================================================ */

@media (max-width: 1500px) {
  :root { --right-w: 264px; --left-w: 282px; }
}
@media (max-width: 1280px) {
  :root { --rail-w: 56px; --left-w: 270px; --right-w: 250px; }
  .rail-item span { display: none; }
  .brand-tag, .top-stats, .project-label { display: none; }
}
@media (max-width: 1080px) {
  :root { --rail-w: 56px; --left-w: 0px; --right-w: 0px; }
  #leftPanel, #rightPanel { display: none; }
}