* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0a0f; --panel: #12121a; --panel2: #1a1a24; --panel3: #22222e;
  --line: #2a2a38; --line2: #3a3a4a;
  --text: #eceaf4; --dim: #8f8fa3; --faint: #5c5c70;
  --accent: #00e5ff; --accent2: #ff00c8;
  --grad: linear-gradient(90deg, var(--accent), var(--accent2));
  --radius: 10px;
}
::selection { background: rgba(0, 229, 255, .25); }

body {
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(255, 0, 200, .06), transparent 60%),
    radial-gradient(1000px 500px at 10% 110%, rgba(0, 229, 255, .05), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 14px/1.45 "Space Grotesk", -apple-system, "Segoe UI", Roboto, sans-serif;
  height: 100vh; display: flex; flex-direction: column; overflow: hidden;
}

/* ---- scrollbars ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---- header ---- */
header {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 12px 18px; background: rgba(18, 18, 26, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); flex: none; z-index: 10;
}
h1 { font-size: 16px; font-weight: 700; letter-spacing: 2px;
     text-transform: uppercase; white-space: nowrap; }

.glitch-title {
  position: relative; color: var(--text);
}
.glitch-title::before, .glitch-title::after {
  content: attr(data-text); position: absolute; inset: 0;
  overflow: hidden; opacity: 0;
}
.glitch-title::before { color: var(--accent); z-index: -1; }
.glitch-title::after { color: var(--accent2); z-index: -2; }
@keyframes glitch-a {
  0%, 91%, 100% { opacity: 0; transform: none; clip-path: inset(0); }
  92% { opacity: .9; transform: translate(-3px, 1px); clip-path: inset(10% 0 55% 0); }
  94% { opacity: .9; transform: translate(3px, -1px); clip-path: inset(60% 0 5% 0); }
  96% { opacity: .9; transform: translate(-2px, 0); clip-path: inset(30% 0 40% 0); }
  98% { opacity: 0; }
}
@keyframes glitch-b {
  0%, 90%, 100% { opacity: 0; transform: none; clip-path: inset(0); }
  91% { opacity: .8; transform: translate(3px, -1px); clip-path: inset(45% 0 30% 0); }
  93% { opacity: .8; transform: translate(-3px, 1px); clip-path: inset(5% 0 75% 0); }
  97% { opacity: .8; transform: translate(2px, 0); clip-path: inset(70% 0 10% 0); }
  99% { opacity: 0; }
}
.glitch-title::before { animation: glitch-a 5s infinite steps(1); }
.glitch-title::after { animation: glitch-b 5s infinite steps(1); }

.presets { display: flex; gap: 6px; flex-wrap: wrap; }
.presets button {
  background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  padding: 6px 14px; border-radius: 999px; cursor: pointer; font-size: 13px;
  font-family: inherit; font-weight: 500; letter-spacing: .3px;
  transition: border-color .15s, box-shadow .15s, transform .1s;
}
.presets button:hover {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(0, 229, 255, .25);
  transform: translateY(-1px);
}
.presets button:active { transform: translateY(0); }
.presets button.custom { border-style: dashed; color: var(--dim); }

.global-controls { margin-left: auto; display: flex; gap: 18px; align-items: center; }
.global-controls label {
  color: var(--dim); display: flex; gap: 8px; align-items: center;
  font-size: 12px; text-transform: uppercase; letter-spacing: .8px;
}

/* ---- layout ---- */
main { flex: 1; display: grid; grid-template-columns: 240px 1fr 330px; min-height: 0; }
aside { background: var(--panel); padding: 16px 14px; overflow-y: auto; }
#logoPanel { border-right: 1px solid var(--line); }
#fxPanel { border-left: 1px solid var(--line); }
h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--faint); margin-bottom: 12px; display: flex;
  justify-content: space-between; align-items: center; font-weight: 700;
}
h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px;
     color: var(--faint); margin: 16px 0 8px; }

/* ---- logo panel ---- */
.logo-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.logo-list .thumb {
  background: repeating-conic-gradient(#232330 0% 25%, #191922 0% 50%) 0 0/14px 14px;
  border: 2px solid var(--line); border-radius: var(--radius); cursor: pointer;
  aspect-ratio: 1; overflow: hidden; position: relative;
  transition: border-color .15s, box-shadow .2s, transform .12s;
}
.logo-list .thumb:hover { transform: translateY(-2px); border-color: var(--line2); }
.logo-list .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.logo-list .thumb.sel {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 18px rgba(0, 229, 255, .35);
}
.logo-list .thumb span {
  position: absolute; bottom: 0; left: 0; right: 0; font-size: 10px;
  background: rgba(6, 6, 10, .78); padding: 3px 5px; text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  color: var(--dim); letter-spacing: .3px;
}
.thumb.sel span { color: var(--text); }

.upload { margin-top: 18px; }
.upload h3 { margin-top: 0; }
.upload select { width: 100%; margin-bottom: 8px; }
.dropzone {
  border: 1px dashed var(--line2); border-radius: var(--radius);
  padding: 18px 12px; text-align: center; cursor: pointer;
  display: flex; flex-direction: column; gap: 5px; align-items: center;
  transition: border-color .15s, background .15s, transform .12s;
}
.dropzone:hover { border-color: var(--accent); transform: translateY(-1px); }
.dropzone.dragover {
  border-color: var(--accent); background: rgba(0, 229, 255, .07);
  box-shadow: 0 0 18px rgba(0, 229, 255, .15) inset;
}
.dropzone .dz-icon { font-size: 20px; color: var(--accent); line-height: 1; }
.dropzone strong { font-size: 12.5px; font-weight: 500; color: var(--text); }
.dropzone .hint { font-size: 11px; color: var(--faint); }
.upload .msg { margin-top: 6px; }

/* ---- stage ---- */
#stage { display: flex; flex-direction: column; align-items: center;
         padding: 18px; gap: 14px; min-height: 0; overflow-y: auto; }
#canvasWrap {
  border-radius: 14px; overflow: hidden; border: 1px solid var(--line2);
  flex: none; line-height: 0; max-width: min(62vh, 100%);
  box-shadow: 0 8px 40px rgba(0, 0, 0, .5), 0 0 0 1px rgba(255, 255, 255, .03);
}
#canvasWrap.bg-checker {
  background: repeating-conic-gradient(#34343f 0% 25%, #282832 0% 50%) 0 0/26px 26px;
}
#canvasWrap.bg-black { background: #000; }
#preview { width: 100%; height: auto; }

.transport {
  display: flex; align-items: center; gap: 12px; width: 100%; max-width: 720px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 16px;
}
.transport #scrub { flex: 1; }
.transport button {
  font-size: 15px; width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; padding: 0;
}
#frameLabel { color: var(--dim); font-variant-numeric: tabular-nums;
              min-width: 74px; font-size: 12px; }
.bg-pick { color: var(--dim); display: flex; gap: 6px; align-items: center; font-size: 12px; }

/* ---- export bar ---- */
.export-bar {
  display: flex; align-items: flex-end; gap: 20px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 18px; width: 100%; max-width: 1060px;
}
#exportBtn { margin-left: auto; }
.exp-field { display: flex; flex-direction: column; gap: 6px; }
.exp-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--faint); font-weight: 700;
}
.chips { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip { cursor: pointer; }
.chip input { display: none; }
.chip span {
  display: inline-block; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel3);
  font-size: 12.5px; color: var(--dim); user-select: none;
  transition: border-color .15s, color .15s, background .15s, box-shadow .15s;
}
.chip:hover span { border-color: var(--line2); color: var(--text); }
.chip input:checked + span {
  border-color: var(--accent); color: var(--text);
  background: rgba(0, 229, 255, .1);
  box-shadow: 0 0 10px rgba(0, 229, 255, .18);
}
.custom-dims {
  display: inline-flex; gap: 4px; align-items: center;
  opacity: .35; transition: opacity .15s;
}
.custom-dims i { color: var(--faint); font-style: normal; font-size: 12px; }
.custom-dims input { width: 68px; text-align: center; }
.custom-dims input::-webkit-inner-spin-button,
.custom-dims input::-webkit-outer-spin-button { -webkit-appearance: none; }
.chips:has(#frCustom:checked) .custom-dims { opacity: 1; }
.exp-status { display: flex; gap: 12px; align-items: center; flex-basis: 100%; }
.exp-status:empty { display: none; }
#exportName { width: 140px; }
#exportBtn {
  background: var(--grad); color: #05050a; font-weight: 700; border: none;
  padding: 9px 22px; border-radius: 999px; letter-spacing: .5px;
  transition: box-shadow .2s, transform .12s;
}
#exportBtn:hover {
  box-shadow: 0 0 20px rgba(0, 229, 255, .4), 0 0 30px rgba(255, 0, 200, .25);
  transform: translateY(-1px);
}
#exportBtn:disabled { opacity: .55; transform: none; box-shadow: none; cursor: wait; }
#exportProg { width: 170px; height: 8px; accent-color: var(--accent); }
#exportLinks a {
  color: var(--accent); margin-right: 12px; font-size: 13px;
  text-decoration: none; border-bottom: 1px dotted var(--accent);
}
#exportLinks a:hover { color: var(--accent2); border-color: var(--accent2); }

/* ---- effect rack ---- */
.fx-group-title {
  font-size: 10px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--faint); margin: 14px 2px 6px; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
}
.fx-group-title::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.fx-group-title:first-child { margin-top: 0; }

.fx {
  background: var(--panel2); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 6px; overflow: hidden; transition: border-color .15s;
}
.fx:hover { border-color: var(--line2); }
.fx.on { border-color: rgba(0, 229, 255, .35); }
.fx-head { display: flex; align-items: center; gap: 10px; padding: 9px 12px; cursor: pointer; }
.fx-head .name { flex: 1; font-weight: 500; font-size: 13px; color: var(--dim);
                 transition: color .15s; }
.fx.on .fx-head .name { color: var(--text); }
.fx-head::after {
  content: '▾'; color: var(--faint); font-size: 11px; transition: transform .2s;
}
.fx.open .fx-head::after { transform: rotate(180deg); }

/* toggle switch */
.fx-head input[type=checkbox] {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  width: 34px; height: 19px; border-radius: 999px; background: var(--line);
  position: relative; transition: background .18s; flex: none;
}
.fx-head input[type=checkbox]::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 15px; height: 15px; border-radius: 50%; background: var(--dim);
  transition: transform .18s, background .18s;
}
.fx-head input[type=checkbox]:checked { background: var(--grad); }
.fx-head input[type=checkbox]:checked::after {
  transform: translateX(15px); background: #fff;
}

.fx-body {
  padding: 2px 12px 12px;
  display: none; border-top: 1px solid var(--line);
}
.fx.open .fx-body { display: block; }
.fx-row {
  display: grid; grid-template-columns: 92px minmax(0, 1fr) 40px; gap: 8px;
  align-items: center; margin-top: 8px; font-size: 12px; color: var(--dim);
}
.fx-row input[type=range] { min-width: 0; width: 100%; }
.fx-row > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fx-row:has(> input[type=checkbox]) { grid-template-columns: auto 1fr 40px; }
.fx-row input[type=checkbox] { accent-color: var(--accent); justify-self: start; }
.fx-row output {
  text-align: right; font-variant-numeric: tabular-nums; color: var(--accent);
  font-size: 12px; font-weight: 500;
}
.fx-row select, .fx-row input[type=color] { grid-column: 2 / 4; }
.fx-row input[type=color] {
  height: 26px; padding: 2px; border-radius: 6px;
  border: 1px solid var(--line); background: var(--panel3); cursor: pointer;
}

/* ---- inputs ---- */
input[type=range] {
  appearance: none; -webkit-appearance: none; height: 4px; border-radius: 2px;
  background: var(--line2); outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none;
  width: 14px; height: 14px; border-radius: 50%; background: var(--accent);
  border: 2px solid #05050a; transition: box-shadow .15s, transform .1s;
}
input[type=range]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 10px rgba(0, 229, 255, .6); transform: scale(1.15);
}
select, input[type=text], input[type=number], button {
  background: var(--panel3); color: var(--text); border: 1px solid var(--line);
  border-radius: 7px; padding: 6px 9px; font-size: 13px; font-family: inherit;
  transition: border-color .15s;
}
select:hover, input[type=text]:hover, input[type=number]:hover { border-color: var(--line2); }
select:focus, input[type=text]:focus, input[type=number]:focus {
  outline: none; border-color: var(--accent);
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
#fxOff { font-size: 10px; padding: 3px 10px; border-radius: 999px;
         text-transform: uppercase; letter-spacing: 1px; }
.preset-save { display: flex; gap: 6px; margin-top: 12px; }
.preset-save input { flex: 1; }
.msg { font-size: 12px; color: var(--dim); }
.msg.err { color: #ff5470; }
.hidden { display: none !important; }

/* ---- footer ---- */
footer {
  flex: none; text-align: center; padding: 7px;
  background: rgba(18, 18, 26, .85); border-top: 1px solid var(--line);
}
footer a {
  color: var(--faint); font-size: 11px; text-decoration: none;
  letter-spacing: 2px; text-transform: uppercase; transition: color .15s;
}
footer a:hover {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---- responsive ---- */
@media (max-width: 1100px) {
  main { grid-template-columns: 200px 1fr 290px; }
}
@media (max-width: 860px) {
  body { overflow: auto; height: auto; }
  main { display: flex; flex-direction: column; }
  aside { max-height: none; }
  #logoPanel, #fxPanel { border: none; border-top: 1px solid var(--line); }
  main { min-height: unset; }
  #stage { order: -1; }
  .global-controls { margin-left: 0; }
}