/* VFT369 Studio — theme tokens. Change these to match your site. */
:root {
  --bg: #050807;
  --bg-2: #0a0f0d;
  --bg-3: #0f1713;
  --line: #1a2a22;
  --text: #c8f5d8;
  --muted: #6aaa84;
  --accent: #00ff88;      /* vft369 terminal green */
  --accent-2: #4dff9a;    /* lighter mint — secondary emphasis / headings */
  --accent-3: #ffcc33;    /* amber — reserved for warnings & badges */
  --danger: #ff5a3c;
  --ok: #4dff9a;
  --radius: 2px;
  --font-ui: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-display: 'Space Grotesk', 'JetBrains Mono', monospace;
  --checker: repeating-conic-gradient(#1a1a22 0 25%, #121218 0 50%) 0 0 / 16px 16px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 12px/1.45 var(--font-ui);
  letter-spacing: .02em;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
h3 { font: 20px/1 var(--font-display); letter-spacing: .08em; margin: 18px 0 8px; color: var(--accent-2); font-weight: 400; }
h3 small { font: 10px var(--font-ui); letter-spacing: 0; }

/* CRT scanline veil over the whole UI (not the exported image) */
.crt-overlay {
  pointer-events: none; position: fixed; inset: 0; z-index: 100;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.025) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}

/* ---------- top bar ---------- */
.topbar {
  height: 52px; display: flex; align-items: center; gap: 16px; padding: 0 14px;
  border-bottom: 1px solid var(--line); background: var(--bg-2);
}
.brand { text-decoration: none; color: var(--text); display: flex; align-items: baseline; gap: 6px; white-space: nowrap; }
.brand-mark {
  font: 30px/1 var(--font-display); letter-spacing: .06em;
  text-shadow: 2px 0 var(--accent), -2px 0 var(--accent-2);
}
.brand-sub { color: var(--muted); font-size: 11px; }
.modes { display: flex; gap: 2px; }
.mode {
  background: none; border: 1px solid transparent; padding: 6px 10px; cursor: pointer; color: var(--muted);
  font: 18px/1 var(--font-display); letter-spacing: .1em;
}
.mode.active { color: var(--text); border-color: var(--line); background: var(--bg-3); box-shadow: inset 0 -2px var(--accent); }
.mode:disabled { cursor: not-allowed; opacity: .55; }
.mode small { font: 9px var(--font-ui); margin-left: 4px; color: var(--accent-3); vertical-align: super; }
.file-actions { margin-left: auto; display: flex; gap: 6px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 7px 12px; cursor: pointer; text-transform: uppercase; font-size: 11px; letter-spacing: .08em;
  transition: border-color .12s, color .12s, background .12s; user-select: none; white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--accent-2); color: var(--accent-2); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #0a0a0a; font-weight: 700; }
.btn.accent:hover:not(:disabled) { background: var(--accent-2); border-color: var(--accent-2); color: #0a0a0a; }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 9px; font-size: 10px; }
.btn.wide { width: 100%; margin-top: 10px; padding: 11px; }
.link { color: var(--accent-2); cursor: pointer; text-decoration: underline; }

/* ---------- layout ---------- */
.workspace { display: grid; grid-template-columns: 64px 1fr 340px; height: calc(100% - 52px); }
.toolbar { border-right: 1px solid var(--line); background: var(--bg-2); display: flex; flex-direction: column; gap: 2px; padding: 6px; overflow-y: auto; }
.toolbar hr { border: 0; border-top: 1px solid var(--line); margin: 6px 2px; }
.tool {
  background: none; border: 1px solid transparent; color: var(--muted); cursor: pointer;
  display: flex; flex-direction: column; align-items: center; padding: 6px 0; border-radius: var(--radius);
}
.tool span { font-size: 18px; line-height: 1.1; }
.tool em { font-style: normal; font-size: 8px; letter-spacing: .1em; }
.tool:hover { color: var(--text); border-color: var(--line); }
.tool.active { color: var(--accent); border-color: var(--accent); background: rgba(255,46,136,.08); }

.stage { position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--bg); }
.viewport { flex: 1; position: relative; overflow: hidden; background: var(--checker); touch-action: none; }
.canvas-wrap { position: absolute; left: 0; top: 0; transform-origin: 0 0; box-shadow: 0 0 0 1px var(--line), 0 20px 60px rgba(0,0,0,.6); }
.canvas-wrap canvas { display: block; }
#view { image-rendering: auto; }
#overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.viewport.pixelated #view { image-rendering: pixelated; }

.dropzone { flex: 1; display: grid; place-items: center; padding: 24px; }
.dropzone.drag .drop-inner { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255,46,136,.15); }
.drop-inner { border: 1px dashed var(--line); padding: 40px 32px; text-align: center; max-width: 460px; width: 100%; }
.drop-title { font: 44px/1 var(--font-display); letter-spacing: .08em; margin-bottom: 12px;
  text-shadow: 3px 0 var(--accent), -3px 0 var(--accent-2); animation: jitter 3s infinite steps(1); }
@keyframes jitter { 0%,92%,100% { transform: none; } 93% { transform: translateX(3px) skewX(-6deg); } 95% { transform: translateX(-2px); } }

.tool-options {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 8px 12px;
  border-top: 1px solid var(--line); background: var(--bg-2);
}
.tool-options label { display: flex; gap: 6px; align-items: center; color: var(--muted); }
.tool-options input[type=range] { width: 110px; }
.tool-options input[type=text] { width: 180px; }

.statusbar { display: flex; gap: 18px; padding: 4px 12px; border-top: 1px solid var(--line); background: var(--bg-2); color: var(--muted); font-size: 10px; }
.statusbar span:first-child { color: var(--accent-2); }

/* ---------- side panel ---------- */
.panel { border-left: 1px solid var(--line); background: var(--bg-2); display: flex; flex-direction: column; min-height: 0; }
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.tab { background: none; border: 0; border-right: 1px solid var(--line); padding: 10px 2px; cursor: pointer; color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.tab:last-child { border-right: 0; }
.tab.active { color: var(--text); box-shadow: inset 0 -2px var(--accent); background: var(--bg-3); }
.tab-body { display: none; padding: 12px 14px 40px; overflow-y: auto; flex: 1; }
.tab-body.active { display: block; }

.slider { margin-bottom: 10px; }
.slider-head { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; letter-spacing: .08em; margin-bottom: 2px; }
.slider-head output { color: var(--text); cursor: pointer; }
.slider-group-title { font: 16px var(--font-display); color: var(--accent-3); letter-spacing: .1em; margin: 14px 0 6px; }

input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; background: transparent; height: 18px; }
input[type=range]::-webkit-slider-runnable-track { height: 2px; background: var(--line); }
input[type=range]::-moz-range-track { height: 2px; background: var(--line); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 10px; height: 14px; margin-top: -6px; background: var(--text); border: 0; border-radius: 0; }
input[type=range]::-moz-range-thumb { width: 10px; height: 14px; background: var(--text); border: 0; border-radius: 0; }
input[type=range]:hover::-webkit-slider-thumb { background: var(--accent); }
input[type=range]:hover::-moz-range-thumb { background: var(--accent); }
input[type=text], input[type=number], input[type=datetime-local], select {
  background: var(--bg); border: 1px solid var(--line); padding: 6px 8px; border-radius: var(--radius); width: 100%; min-width: 0;
}
input:focus, select:focus { outline: 1px solid var(--accent-2); outline-offset: -1px; }
input[type=color] { width: 32px; height: 26px; border: 1px solid var(--line); background: var(--bg); padding: 1px; }
.field { display: block; margin-bottom: 10px; }
.field > span { display: block; color: var(--muted); font-size: 10px; letter-spacing: .08em; margin-bottom: 3px; }
.field.narrow { flex: 1; }
.check { display: flex; gap: 6px; align-items: center; margin: 6px 0; color: var(--muted); cursor: pointer; }
.row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; margin: 8px 0; }
.hint { color: var(--muted); font-size: 10px; margin: 6px 0; }

/* presets */
.preset-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.preset { background: var(--bg); border: 1px solid var(--line); padding: 0; cursor: pointer; text-align: left; overflow: hidden; }
.preset canvas { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.preset span { display: block; padding: 4px 5px; font-size: 9px; letter-spacing: .08em; }
.preset:hover { border-color: var(--accent); }

/* fx stack */
.fx-add { display: flex; gap: 6px; }
.fx-stack { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.fx-item { border: 1px solid var(--line); background: var(--bg); }
.fx-item.off { opacity: .5; }
.fx-head { display: flex; align-items: center; gap: 4px; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.fx-head strong { flex: 1; font-size: 11px; letter-spacing: .08em; color: var(--accent); }
.fx-head button { background: none; border: 1px solid var(--line); color: var(--muted); cursor: pointer; width: 22px; height: 22px; padding: 0; font-size: 11px; }
.fx-head button:hover { color: var(--text); border-color: var(--accent-2); }
.fx-body { padding: 8px 8px 2px; }
.fx-body .opt-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; color: var(--muted); font-size: 10px; }
.fx-empty { color: var(--muted); border: 1px dashed var(--line); padding: 14px; text-align: center; }

/* metadata */
.meta-summary { border: 1px solid var(--line); padding: 10px; margin-bottom: 10px; background: var(--bg); }
.meta-summary .big { font: 22px var(--font-display); color: var(--text); letter-spacing: .06em; }
.meta-summary .warn { color: var(--danger); }
.meta-summary .good { color: var(--ok); }
.meta-summary dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 8px 0 0; }
.meta-summary dt { color: var(--muted); }
.meta-summary dd { margin: 0; word-break: break-word; }
.meta-actions .btn.accent { width: 100%; margin-top: 8px; padding: 10px; }
details { border: 1px solid var(--line); margin-top: 10px; background: var(--bg); }
summary { cursor: pointer; padding: 8px 10px; font-size: 11px; letter-spacing: .08em; color: var(--accent-2); }
details > :not(summary) { margin-left: 10px; margin-right: 10px; }
details > :last-child { margin-bottom: 10px; }
.exif-form .field { margin-bottom: 8px; }
.meta-group { font: 15px var(--font-display); color: var(--accent-3); letter-spacing: .1em; margin: 10px 0 4px; }
.meta-tbl { width: 100%; border-collapse: collapse; font-size: 10px; }
.meta-tbl td { border-bottom: 1px solid var(--line); padding: 3px 4px; vertical-align: top; word-break: break-word; }
.meta-tbl td:first-child { color: var(--muted); width: 42%; }
.batch-log { font-size: 10px; margin-top: 8px; max-height: 200px; overflow-y: auto; }
.batch-log div { padding: 2px 0; border-bottom: 1px solid var(--line); }
.batch-log .ok { color: var(--ok); }
.batch-log .err { color: var(--danger); }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; z-index: 200;
  background: var(--bg-3); border: 1px solid var(--accent); padding: 10px 16px; pointer-events: none;
  transition: opacity .2s, transform .2s; max-width: calc(100% - 32px); text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { border-color: var(--danger); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  body { overflow: auto; }
  .topbar { height: auto; flex-wrap: wrap; padding: 8px 12px; gap: 8px; }
  .file-actions { margin-left: 0; width: 100%; overflow-x: auto; }
  .file-actions .btn { flex: 1; padding: 8px 6px; }
  .workspace { grid-template-columns: 1fr; grid-template-rows: auto 60vh auto; height: auto; }
  .toolbar { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; }
  .toolbar hr { border-top: 0; border-left: 1px solid var(--line); margin: 2px 4px; }
  .tool { min-width: 52px; }
  .panel { border-left: 0; border-top: 1px solid var(--line); }
  .tab-body { overflow: visible; }
  .preset-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- circuit bender ---------- */
.tabs { grid-template-columns: repeat(5, 1fr); }
.board-wrap { border: 1px solid var(--line); background: #050806; }
#board { display: block; width: 100%; height: auto; touch-action: none; user-select: none; }
#board .pcb { fill: #0b2a1a; stroke: #1d5a3a; }
#board .trace { fill: none; stroke: #1f6b45; stroke-width: 2.2; }
#board .via { fill: #0b2a1a; stroke: #c8a24a; stroke-width: 1.2; }
#board .chip { fill: #111; stroke: #333; }
#board .leg { fill: #9a9a9a; }
#board .notch { fill: #222; }
#board .chip-label { fill: #ddd; font: 20px VT323, monospace; text-anchor: middle; letter-spacing: 1px; }
#board .chip-sub { fill: #888; font: 9px "Space Mono", monospace; text-anchor: middle; }
#board .chip-sub.dim { fill: #555; font-size: 7px; }
#board .pad { cursor: pointer; outline: none; }
#board .pad-hit { fill: transparent; }
#board .pad-ring { fill: #c8a24a; stroke: #6b5520; stroke-width: 1; transition: fill .15s; }
#board .pad-hole { fill: #0b2a1a; }
#board .pad-label { fill: #e8e6df; font: 10px "Space Mono", monospace; pointer-events: none; }
#board .pad:hover .pad-ring, #board .pad:focus .pad-ring { fill: #ffd76a; }
#board .pad.live .pad-ring { fill: #ffd76a; filter: drop-shadow(0 0 3px #ffd76a); }
#board .pad.sel .pad-ring { fill: var(--accent); filter: drop-shadow(0 0 6px var(--accent)); animation: pulse .6s infinite alternate; }
@keyframes pulse { to { opacity: .55; } }
#board .wire, #board .wire-shadow { fill: none; stroke-linecap: round; pointer-events: none; }
#board .wire { stroke-width: 3.2; filter: drop-shadow(0 0 2px currentColor); }
#board .wire.off { opacity: .35; }
#board .wire.drag { stroke-dasharray: 4 4; stroke-width: 2; }
#board .wire-shadow { stroke: rgba(0,0,0,.55); stroke-width: 5; transform: translate(1.5px, 2.5px); }
#board .wire-hit { fill: none; stroke: transparent; stroke-width: 14; cursor: pointer; }
#board .wire-hit:hover + .plug, #board .wire-hit:hover { stroke: rgba(255,255,255,.12); }
#board .plug { stroke: #000; stroke-width: 1; pointer-events: none; }
#board .spark { fill: none; stroke: #fff; stroke-width: 2; animation: spark .45s ease-out forwards; }
@keyframes spark { to { r: 22; opacity: 0; } }

.knobs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.knob-wrap { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 9px; letter-spacing: .1em; color: var(--muted); }
.knob-wrap output { color: var(--text); font-size: 11px; }
.knob { width: 58px; height: 58px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #3a3a46, #121218 70%); border: 1px solid var(--line);
  box-shadow: 0 4px 10px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08); cursor: ns-resize; touch-action: none; position: relative; outline: none; }
.knob:focus-visible { box-shadow: 0 0 0 2px var(--accent-2); }
.knob::before { content: ""; position: absolute; inset: -6px; border-radius: 50%;
  background: conic-gradient(from 225deg, var(--accent) 0 0, transparent 0); opacity: .0; }
.knob-dial { position: absolute; inset: 0; border-radius: 50%; }
.knob-dial i { position: absolute; left: 50%; top: 6px; width: 3px; height: 14px; margin-left: -1.5px; background: var(--accent); box-shadow: 0 0 6px var(--accent); border-radius: 2px; }
.bend-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.bend-buttons .btn { padding: 9px 4px; }
.bend-buttons .btn.on { background: var(--accent); border-color: var(--accent); color: #0a0a0a; }
#bend-rec.on { background: var(--danger); border-color: var(--danger); color: #fff; animation: pulse .7s infinite alternate; }
.bend-list { margin-top: 10px; font-size: 10px; display: flex; flex-direction: column; gap: 4px; }
.bend-list i { display: inline-block; width: 10px; height: 10px; margin-right: 6px; vertical-align: -1px; border-radius: 50%; }

/* ---------- convert workspace ---------- */
.convert-ws { grid-template-columns: 1fr 340px; }
.cv-main { overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.cv-drop { border: 1px dashed var(--line); padding: 26px 18px; text-align: center; }
.cv-drop.drag { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255,46,136,.15); }
.cv-drop .drop-title { font-size: 38px; }
.cv-queue { display: flex; flex-direction: column; gap: 8px; }
.cv-job { border: 1px solid var(--line); background: var(--bg-2); padding: 10px 12px; }
.cv-job.running { border-color: var(--accent-2); }
.cv-job.done { border-color: #1f5a3a; }
.cv-job.error { border-color: var(--danger); }
.cv-job.error .cv-status { color: var(--danger); }
.cv-row { display: flex; gap: 10px; align-items: center; }
.cv-row strong { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 400; }
.cv-info { font-size: 10px; margin-top: 2px; }
.cv-bar { height: 3px; background: var(--line); margin: 8px 0 4px; }
.cv-bar i { display: block; height: 100%; background: var(--accent); transition: width .2s; }
.cv-status { font-size: 10px; color: var(--accent-2); letter-spacing: .08em; }
.cv-results { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.cv-res { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.cv-res span { flex: 1; min-width: 0; word-break: break-all; font-size: 11px; }
.cv-media { width: 100%; max-height: 260px; background: #000; }
.cv-log { max-height: 220px; overflow: auto; font-size: 9px; white-space: pre-wrap; word-break: break-all; color: var(--muted); margin: 0 10px 10px; }
.cv-panel .tab-body { display: block; }

@media (max-width: 900px) {
  .convert-ws { grid-template-columns: 1fr; grid-template-rows: auto auto; height: auto; }
  .tabs .tab { font-size: 9px; }
}
@media (max-width: 900px) {
  .modes { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
  .mode { font-size: 16px; padding: 6px 8px; }
}

/* ---------- mobile: notch safe-areas + small-phone tuning ---------- */
/* viewport-fit=cover lets content sit under the notch / home indicator,
   so pad the chrome back into the safe area and never scroll sideways. */
@media (max-width: 900px) {
  body { overflow-x: hidden; }
  .topbar {
    padding-top: calc(8px + env(safe-area-inset-top));
    padding-left: calc(12px + env(safe-area-inset-left));
    padding-right: calc(12px + env(safe-area-inset-right));
  }
  .toolbar { padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px)); }
  .toast { bottom: calc(28px + env(safe-area-inset-bottom)); }
}

@media (max-width: 560px) {
  .brand-mark { font-size: 22px; }
  .modes .mode { font-size: 15px; padding: 6px 8px; letter-spacing: .06em; }
  .mode small { font-size: 8px; }
  /* give the canvas more of the screen when everything is stacked */
  .workspace { grid-template-rows: auto 52vh auto; }
  .convert-ws { grid-template-rows: auto auto; }
  .preset-grid { grid-template-columns: repeat(3, 1fr); }
  .knobs { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  /* finger-friendly hit targets for the small icon buttons */
  .fx-head button { width: 30px; height: 30px; font-size: 13px; }
  .tool { min-width: 48px; }
  .btn { padding: 9px 8px; }
  input[type=range] { height: 26px; }            /* easier to drag */
}

/* pointer: coarse = touch device, regardless of width (large phones/tablets) */
@media (pointer: coarse) {
  .tool, .btn, .mode { min-height: 40px; }
  .pad { cursor: pointer; }
}