/* FL Studio skin. Colours are sampled from Image-Line's own manual screenshots
   (channel rack, piano roll, playlist, FL 21+ default theme): flat surfaces,
   no glows, blue-grey throughout, colour only where a channel or clip brings it.
   Loaded last; overrides tokens and surfaces from style.css. */
:root {
  --bg: #2c3438; --panel: #404c54; --panel2: #4c585c; --fill: #4c585c; --fill2: #58646a; --fill3: #646f74;
  --line: #2c3438; --text: #e2e6ea; --dim: #b4bcc2; --faint: #8a949a; --ghost: #5c666c;
  --accent: #f0a040; --ok: #8ccf63; --warn: #f0c050; --bad: #f05a4a; --agent: #f0a040; --info: #6cb4f0;
  --rack: #707c80; --title: #4c585c; --lcd: #24343c; --dark: #3c484c;
  --step: #4c545c; --step-alt: #54404c; --lit: #d8e0e8;
  --sans: "Segoe UI", "Inter", -apple-system, system-ui, sans-serif;
}
html, body { background: var(--bg); }
#main, #center, #right { gap: 2px; background: var(--bg); }
#main { padding: 2px; }

/* ---------- windows: flat body, darker flat title strip */
.panel, #side { background: var(--panel); border: 1px solid var(--line); border-radius: 2px; }
#rack { background: var(--rack); }
.ph { background: var(--title); border-bottom: 1px solid var(--dark); min-height: 26px; padding: 3px 8px; }
#rack .ph { background: var(--title); }
.ph .title { color: var(--text); letter-spacing: 0; text-transform: none; font-size: 11.5px; font-weight: 500; }
.ph .sub { color: var(--dim); }
.canvwrap { top: 30px; }
#roll .toolbar { height: 30px; min-height: 30px; }

/* ---------- controls: flat FL grey */
button { background: var(--fill); border: 1px solid var(--dark); border-radius: 2px; color: var(--text); padding: 3px 9px; }
button:hover { background: var(--fill2); }
button:active { background: var(--dark); }
button.on { background: var(--fill3); color: #fff; }
button.ghost { background: transparent; border-color: transparent; }
button.ghost:hover { background: var(--fill); border-color: var(--dark); }
button.primary { background: var(--fill); color: var(--accent); font-weight: 600; }
button.primary:hover { background: var(--fill2); }
select, input[type=text], input[type=number] { background: var(--lcd); border: 1px solid var(--dark); border-radius: 2px; color: var(--text); }
.seg { background: var(--lcd); border: 1px solid var(--dark); border-radius: 2px; padding: 1px; }
.seg button { border: 0; border-radius: 1px; background: transparent; color: var(--faint); padding: 2px 8px; font-size: 10.5px; }
.seg button.on { background: var(--fill); color: var(--text); }
.seg button.on::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); margin-right: 5px; vertical-align: 1px; }
.tab { border: 0; background: transparent; text-transform: none; letter-spacing: 0; font-size: 11.5px; font-weight: 500; color: var(--dim); }
.tab.on { background: var(--fill2); color: var(--text); }
.toolbar .sep { background: var(--dark); }

/* ---------- main toolbar */
#top { background: var(--title); border-bottom: 1px solid var(--line); gap: 10px; }
.logo { color: var(--text); }
.brand-light { color: var(--dim); }
.play { width: 30px; height: 24px; font-size: 12px; background: var(--fill); color: var(--ok); }
.play.on { background: var(--fill3); color: var(--accent); }
.field { background: var(--lcd); border: 1px solid var(--dark); border-radius: 2px; padding: 1px 6px 2px; }
.field .label { color: var(--faint); font-size: 7.5px; }
.field select { border: 0; padding: 0 2px; background: transparent; }
.drag { color: var(--text); font-size: 13px; }
.pos { background: var(--lcd); border: 1px solid var(--dark); border-radius: 2px; padding: 1px 10px; color: #dfe8ee; font-size: 18px; letter-spacing: .04em; }
.pos + .mono { color: var(--dim); }
.mmeter { background: var(--lcd); border: 1px solid var(--dark); border-radius: 2px; padding: 3px 6px; }
.hbar { background: #1c282e; border-radius: 0; height: 4px; }
.hbar i { border-radius: 0; background: linear-gradient(90deg, #6cc04a 0 70%, #e8d050 85%, #f05a4a); }

/* ---------- project bar + hint bar */
#projectbar { background: var(--panel); border-top: 0; border-bottom: 1px solid var(--line); }
.library-button { background: var(--fill); color: var(--text); }
.library-button .shortcut, .current-project .label { color: var(--faint); }
.project-title { color: var(--text); }
.new-project { border: 1px solid var(--dark); background: var(--fill); }
#status { background: var(--lcd); border-top: 1px solid var(--line); color: var(--dim); }
#hint { color: var(--text); }

/* ---------- browser (left) */
.sec h3 { color: var(--dim); }
.flow .row:hover, .list .item:hover { background: var(--fill); }
.flow .row.next { background: var(--fill); }
.list .item { border-radius: 1px; }
.list .item.sel { background: var(--fill2); }
.next-hint { background: var(--dark); border-radius: 2px; }
.inst-grid button { background: var(--fill); }
.cli { background: var(--lcd); color: var(--dim); }
.cli b { color: var(--text); }

/* ---------- channel rack: mute LED · tinted channel button · selection bar · steps */
.rrow, .ruler-steps { grid-template-columns: 14px 118px 7px 52px 1fr 30px; }
.rrow > .mute { order: 1; } .rrow > .nm { order: 2; } .rrow > .sw { order: 3; } .rrow > .minivol { order: 4; } .rrow > :nth-child(5) { order: 5; } .rrow > .rmeter { order: 6; }
.ruler-steps > :nth-child(1) { order: 3; } .ruler-steps > :nth-child(2) { order: 1; } .ruler-steps > :nth-child(3) { order: 2; } .ruler-steps > :nth-child(n+4) { order: 4; }
.ruler-steps { color: #d8dee2; }
.rack-rows { padding: 2px 6px 6px; }
.rrow { height: 26px; border-radius: 0; padding-right: 4px; }
.rrow:hover, .rrow.sel { background: transparent; }
/* channel button: flat, tinted by the channel colour, centred name */
.rrow .nm { background: color-mix(in srgb, var(--ch, #5c666c) 24%, #545e64); border: 1px solid var(--dark); border-radius: 2px; padding: 2px 6px; height: 21px; color: #f2f4f6; justify-content: center; text-align: center; }
.rrow .nm:hover { background: color-mix(in srgb, var(--ch, #5c666c) 32%, #5c666c); }
.rrow .nm small { display: none; }
/* the thin bar right of the button is FL's selection light: lit green when selected */
.rrow .sw { height: 21px; border-radius: 1px; background: #c8d0d4 !important; opacity: .85; }
.rrow.sel .sw { background: #a6e05c !important; opacity: 1; }
.mute { width: 9px; height: 9px; background: #8ccf63; box-shadow: inset 0 0 0 1px rgba(0,0,0,.35); }
.mute.off { background: #3c484c; }
.minivol { background: var(--dark); border-radius: 2px; }
.minivol i { background: #5c686c; }
.minivol span { color: #e2e6ea; }
/* step pads: grey and plum groups of four; lit pads go pale */
.steps { gap: 2px; height: 22px; }
.steps .grp { gap: 2px; }
.steps .grp + .grp { margin-left: 2px; }
.st { border-radius: 3px; background: var(--step); border: 1px solid #3c444c; box-shadow: inset 0 1px 0 rgba(255,255,255,.08); overflow: hidden; }
.steps .grp.alt .st { background: var(--step-alt); border-color: #44343e; --lit: #ecccd8; }
.st i { border-radius: 2px; box-shadow: inset 0 1px 0 rgba(255,255,255,.6); }
.st.play { outline: 1px solid #a6e05c; outline-offset: -1px; }
.mini { background: #586468; border: 1px solid #4c585c; border-radius: 2px; }
.rmeter i { background: #6cc04a; }

/* ---------- mixer */
.mixer { background: var(--panel); gap: 2px; }
.strip { background: var(--dark); border: 1px solid var(--line); border-radius: 1px; }
.strip.sel { background: #4c585c; }
.vmeter { background: #1c282e; border-radius: 0; }
.vmeter i { background: linear-gradient(0deg, #6cc04a 60%, #e8d050 82%, #f05a4a); }
.fader { background: #1c282e; width: 6px; border-radius: 1px; overflow: visible; }
.fader i { left: -7px; right: -7px; height: 9px; border-radius: 1px; background: #c8d0d4; border: 1px solid #2c3438; box-shadow: inset 0 4px 0 -3px #7c868c; }
.ms button.on.m { background: var(--warn); color: #222; }
.ms button.on.s { background: var(--info); color: #102030; }

/* ---------- knobs: dark caps, pale ring */
.knob:hover { background: rgba(255,255,255,.04); }
.knob .trk { stroke: #2c3438; }
.knob .cap { fill: #3c484c; stroke: #5c686c; stroke-width: 1; }
.knob .kl { color: var(--dim); }
.knob .kv { color: var(--text); }
.knob.changed .kv { color: var(--accent); }
.knob .kr { background: rgba(240,160,64,.15); color: var(--accent); }

/* ---------- inspector, analyzer, overlays */
.insp-head .big { color: var(--text); }
.curve { background: var(--lcd); border-radius: 2px; }
#analyzer { grid-template-rows: 26px 1fr 64px; }
.report, .swap, .menu { background: var(--panel); border: 1px solid var(--line); border-radius: 2px; }
.report .kv div, .report .sug { background: var(--fill); border-radius: 2px; }
.swapbtn:hover, .nm .sw-ic:hover, .knob .kr:hover { background: var(--accent); color: #222; }
::-webkit-scrollbar-thumb { background: var(--fill2); border-radius: 1px; }
::-webkit-scrollbar-track { background: var(--dark); }
.project-dialog { background: var(--panel); border-color: var(--line); border-radius: 2px; }
.project-card { background: var(--panel2); border-color: var(--dark); border-radius: 2px; }
.project-card.is-current { border-color: var(--accent); background: var(--fill2); }
.project-art, .project-card-end, .library-header .label { color: var(--accent); }