:root {
  --bg: #0f1220; --panel: #171b2e; --panel2: #1f2440; --line: #2c3256; --text: #e8eaf6; --muted: #9aa0c3;
  --accent: #4f7cff; --accent2: #7c5cff; --danger: #ff5c7a; --ok: #29d391; --rec: #ff4d4d;
  --radius: 10px; color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f4fa; --panel: #ffffff; --panel2: #eef0f8; --line: #d7dbea; --text: #1b1e2e; --muted: #5e6481;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3f4fa; --panel: #ffffff; --panel2: #eef0f8; --line: #d7dbea; --text: #1b1e2e; --muted: #5e6481;
  color-scheme: light;
}
.theme-btn { min-width: 84px; justify-content: center; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
h3 { font-size: 13px; margin: 14px 0 6px; color: var(--muted); }
label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); margin: 6px 0; flex: 1; min-width: 0; }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--text); }
input:not([type=checkbox]):not([type=range]):not([type=color]), select, textarea {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; color: var(--text); width: 100%;
}
textarea { resize: vertical; }
input[type=color] { width: 100%; height: 32px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel2); padding: 2px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0; }
.center { text-align: center; }
.row { display: flex; gap: 8px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; align-items: center; margin: 6px 0; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }

.btn { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; cursor: pointer; white-space: nowrap; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); border: 0; color: #fff; font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 5px 9px; font-size: 13px; }
.btn.rec { color: var(--rec); font-weight: 600; }
.btn.rec.on { background: var(--rec); color: #fff; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .7; } }

.topbar { display: flex; align-items: center; gap: 14px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; margin-right: auto; }
.conn, .actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 99px; background: var(--panel2); border: 1px solid var(--line); }
.chip.usb { color: var(--ok); border-color: var(--ok); }
.chip.ble { color: #58a6ff; border-color: #58a6ff; }
.banner { margin: 10px 16px 0; padding: 10px 14px; border-radius: var(--radius); background: #3a2a10; color: #ffd28a; border: 1px solid #6d4c1a; }

.layout { display: grid; grid-template-columns: 270px 1fr 360px; gap: 14px; padding: 14px 16px; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.panel section + section { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); }
.pagelist { list-style: none; padding: 0; margin: 0 0 8px; display: flex; flex-direction: column; gap: 4px; }
.pagelist li { padding: 7px 10px; border-radius: 7px; cursor: pointer; background: var(--panel2); border: 1px solid transparent; display: flex; justify-content: space-between; }
.pagelist li.on { border-color: var(--accent); }
.pagelist li small { color: var(--muted); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin: 4px 0; }
.seg button { background: var(--panel2); border: 0; padding: 6px 10px; cursor: pointer; border-right: 1px solid var(--line); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--accent); color: #fff; }
.wrapseg { display: flex; flex-wrap: wrap; }

.stage { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.stagebar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: center; }
.device { padding: 18px 14px; background: linear-gradient(160deg, #2a2e3d, #0b0c10); border-radius: 26px; box-shadow: 0 18px 40px rgba(0,0,0,.45), inset 0 0 0 2px #3a3f52; }
body.landscape #screen { width: 600px; height: 400px; }
#screen { display: block; width: 400px; height: 600px; border-radius: 6px; background: #000; touch-action: none; image-rendering: auto; cursor: pointer; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: -4px -4px 10px; }
.tabs button { flex: 1; background: none; border: 0; padding: 8px 4px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; font-size: 13px; }
.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
.styles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.styles button { border: 2px solid var(--line); border-radius: 8px; background: var(--panel2); padding: 4px; cursor: pointer; font-size: 11px; color: var(--muted); }
.styles button.on { border-color: var(--accent); color: var(--text); }
.styles canvas { width: 100%; height: auto; display: block; margin-bottom: 2px; }

.steps { list-style: none; padding: 0; margin: 0 0 8px; display: flex; flex-direction: column; gap: 6px; }
.step { display: flex; gap: 6px; align-items: center; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 6px; }
.step.dragging { opacity: .5; }
.step .handle { cursor: grab; color: var(--muted); user-select: none; }
.step .body { flex: 1; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; min-width: 0; }
.step .body .tag { font-size: 11px; font-weight: 700; padding: 2px 6px; border-radius: 5px; background: var(--line); }
.step .body input:not([type=checkbox]), .step .body select { width: auto; flex: 1; min-width: 60px; padding: 4px 6px; }
.step .body .mods { display: flex; gap: 10px; flex-basis: 100%; flex-wrap: wrap; }
.step .body .mods label { flex: 0 0 auto; flex-direction: row; margin: 0; gap: 4px; align-items: center; color: var(--text); font-size: 12px; }
.step .ops { display: flex; flex-direction: column; }
.step .ops button { background: none; border: 0; cursor: pointer; color: var(--muted); padding: 2px 4px; }
.step .ops button:hover { color: var(--text); }
.step .capture { font-size: 12px; }
.step .capture.on { background: var(--accent); color: #fff; }
.recbox { border: 1px dashed var(--line); border-radius: 8px; padding: 8px; }
.reclive { font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); min-height: 36px; max-height: 90px; overflow: auto; word-break: break-word; }
.devinfo { font-size: 12px; color: var(--muted); background: var(--panel2); border-radius: 8px; padding: 8px; white-space: pre-line; }

.progress { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; width: min(420px, 90vw); box-shadow: 0 10px 30px rgba(0,0,0,.4); z-index: 10; }
.progress .bar { height: 8px; background: var(--panel2); border-radius: 99px; overflow: hidden; }
.progress .bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .1s; }
.progress .label { font-size: 12px; color: var(--muted); margin-top: 6px; }
.toast { position: fixed; right: 18px; bottom: 18px; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); padding: 10px 14px; border-radius: 8px; max-width: 420px; z-index: 11; white-space: pre-line; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.toast.err { border-left-color: var(--danger); }

@media (max-width: 1150px) {
  .layout { grid-template-columns: 1fr; }
  .stage { order: -1; }
  #screen { width: 320px; height: 480px; }
  body.landscape #screen { width: 480px; height: 320px; max-width: 100%; }
}
@media (max-width: 420px) { .topbar { padding: 8px; } .layout { padding: 10px; } }

.ver { font: 400 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); margin-left: 4px; align-self: flex-end; padding-bottom: 3px; }
.ver a { color: inherit; text-decoration: none; }
.ver a:hover { text-decoration: underline; }

/* Save to keypad: unsaved / saved state */
#btnSave.dirty { animation: savepulse 1.6s ease-in-out infinite; }
#btnSave.dirty::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #ffb020; margin-left: 6px; box-shadow: 0 0 0 2px rgba(255,176,32,.35); }
#btnSave.synced { background: transparent; color: var(--ok); border: 1px solid var(--ok); }
@keyframes savepulse { 50% { box-shadow: 0 0 0 4px rgba(124,92,255,.35); } }

.thumb { display: block; max-width: 100%; max-height: 90px; border-radius: 8px; border: 1px solid var(--line); margin: 4px 0; object-fit: contain; background: var(--panel2); }
#screen.dropping { outline: 3px dashed var(--accent); outline-offset: 4px; }

.applyrow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 4px 0 8px; font-size: 12px; color: var(--muted); }
.applyrow span { margin-right: 2px; }
label .val { float: right; color: var(--text); font-variant-numeric: tabular-nums; }

/* Icons */
.iconrow { display: flex; align-items: center; gap: 10px; }
.iconprev { width: 48px; height: 48px; border-radius: 10px; border: 1px dashed var(--line); background: var(--panel2); display: grid; place-items: center; color: var(--text); flex: none; }
.iconprev svg { width: 30px; height: 30px; }
.icondlg { width: min(760px, 94vw); max-height: 86vh; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.icondlg::backdrop { background: rgba(0,0,0,.5); }
.icondlg[open] { display: flex; flex-direction: column; gap: 8px; }
.dlghead { display: flex; gap: 8px; }
.dlghead input { flex: 1; }
.icongrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 6px; overflow: auto; min-height: 200px; max-height: 58vh; padding: 2px; }
.icongrid button { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 2px 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel2); color: var(--text); cursor: pointer; font-size: 9.5px; overflow: hidden; }
.icongrid button:hover, .icongrid button:focus-visible { border-color: var(--accent); outline: none; }
.icongrid button.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 18%, var(--panel2)); }
.icongrid svg { width: 28px; height: 28px; }
.icongrid span { max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted); }
.icongrid .more { grid-column: 1 / -1; font-size: 12px; }
.dlgfoot { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.dlgfoot a { color: inherit; }

.banner.welcome { background: var(--panel); color: var(--text); border-color: var(--accent); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.banner.welcome[hidden] { display: none; }
.banner.welcome a { color: var(--accent); }