/* =============================================================================
   panel.css — PowerIndex control panel + auth pages.
   Instrument-cluster dark: Space Grotesk display, JetBrains Mono readouts,
   near-black palette, a single ignition-orange accent. Restraint over spectacle.
   ============================================================================= */
:root{
  --bg:#0A0B0E; --surface:#121318; --surface-2:#171922; --elev:#1C1F29;
  --line:#23262F; --line-2:#2E323D;
  --text:#EDEFF3; --text-2:#9BA2AE; --text-3:#6A707C;
  --accent:#FF4D2E; --accent-2:#E23A22; --accent-soft:rgba(255,77,46,.14);
  --pos:#31D07A; --pos-soft:rgba(49,208,122,.12); --warn:#F5A524;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,monospace;
  --disp:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,-apple-system,sans-serif;
  --r:14px; --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:
    radial-gradient(80% 55% at 100% -5%,rgba(255,77,46,.06),transparent 60%),
    radial-gradient(60% 50% at 0% 0%,rgba(255,77,46,.04),transparent 55%),
    var(--bg);
  color:var(--text); font-family:var(--body); -webkit-font-smoothing:antialiased; line-height:1.5;
  min-height:100vh}
a{color:inherit}
.mono{font-family:var(--mono)}

/* ---- topbar --------------------------------------------------------------- */
.pi-top{position:sticky; top:0; z-index:40; display:flex; align-items:center; gap:16px;
  padding:14px clamp(16px,4vw,28px); background:rgba(10,11,14,.82); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.pi-brand{display:flex; align-items:center; gap:10px; font-family:var(--disp); font-weight:700; letter-spacing:.14em;
  font-size:.86rem; text-transform:uppercase; text-decoration:none}
.pi-brand b{color:var(--text)} .pi-brand i{color:var(--accent); font-style:normal}
.pi-brand .dot{width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 12px var(--accent)}
.pi-top .sub{font-family:var(--mono); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--text-3);
  border-left:1px solid var(--line-2); padding-left:16px}
.pi-top .spacer{flex:1}
.pi-acct{font-size:.8rem; color:var(--text-2); display:none}
@media(min-width:720px){.pi-acct{display:inline}}

/* ---- buttons -------------------------------------------------------------- */
.btn{font-family:var(--body); font-weight:600; font-size:.9rem; border-radius:10px; border:1px solid transparent;
  padding:10px 18px; cursor:pointer; text-decoration:none; display:inline-flex; align-items:center; gap:8px;
  transition:.18s var(--ease); white-space:nowrap}
.btn--primary{background:var(--accent); color:#fff; border-color:var(--accent)}
.btn--primary:hover{background:var(--accent-2); border-color:var(--accent-2)}
.btn--ghost{background:transparent; color:var(--text-2); border-color:var(--line-2)}
.btn--ghost:hover{color:var(--text); border-color:var(--text-3)}
.btn--sm{padding:7px 13px; font-size:.82rem}
.btn[disabled]{opacity:.5; cursor:default}
.btn--saved{background:var(--pos-soft); color:var(--pos); border-color:transparent}

/* ---- layout --------------------------------------------------------------- */
.pi-wrap{max-width:1200px; margin:0 auto; padding:clamp(18px,4vw,30px); padding-bottom:120px}
.pi-grid{display:grid; grid-template-columns:1fr; gap:22px; align-items:start}
@media(min-width:980px){.pi-grid{grid-template-columns:minmax(0,1fr) 400px}}
.pi-preview-col{position:relative}
@media(min-width:980px){.pi-preview-col{position:sticky; top:82px}}

/* ---- cards ---------------------------------------------------------------- */
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); padding:20px 20px 22px; margin-bottom:20px}
.card__h{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:4px}
.card__t{font-family:var(--disp); font-weight:600; font-size:1.06rem; letter-spacing:-.01em}
.card__n{font-family:var(--mono); font-size:.6rem; letter-spacing:.18em; color:var(--text-3); text-transform:uppercase}
.card__sub{font-size:.82rem; color:var(--text-2); margin:2px 0 16px}

.lbl{display:block; font-family:var(--mono); font-size:.64rem; letter-spacing:.14em; text-transform:uppercase; color:var(--text-3); margin:0 0 8px}
.field{margin-bottom:16px}
.inp{width:100%; background:var(--surface-2); border:1px solid var(--line-2); border-radius:10px; color:var(--text);
  padding:12px 13px; font-family:var(--body); font-size:.92rem; transition:border-color .18s}
.inp:focus{outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft)}
.inp::placeholder{color:var(--text-3)}
.hint{font-size:.76rem; color:var(--text-3); margin-top:7px; line-height:1.5}
.hint b{color:var(--text-2); font-weight:600}

/* ---- preset gallery ------------------------------------------------------- */
.preset-grp{font-family:var(--mono); font-size:.6rem; letter-spacing:.16em; text-transform:uppercase; color:var(--text-3); margin:4px 0 9px}
.presets{display:grid; grid-template-columns:repeat(3,1fr); gap:9px; margin-bottom:14px}
@media(max-width:400px){.presets{grid-template-columns:repeat(2,1fr)}}
.preset{position:relative; cursor:pointer; border:1px solid var(--line-2); border-radius:11px; overflow:hidden; background:none; padding:0; text-align:left;
  transition:.16s var(--ease)}
.preset:hover{border-color:var(--text-3); transform:translateY(-1px)}
.preset.sel{border-color:var(--accent); box-shadow:0 0 0 2px var(--accent-soft)}
.preset__sw{height:46px; display:flex; align-items:center; justify-content:center; position:relative}
.preset__chip{width:20px; height:20px; border-radius:50%; box-shadow:0 1px 6px rgba(0,0,0,.4)}
.preset__lbl{display:block; padding:6px 9px; font-size:.72rem; font-weight:600; color:var(--text-2); background:var(--surface-2)}
.preset.sel .preset__lbl{color:var(--text)}

/* ---- colour rows ---------------------------------------------------------- */
.swatches{display:grid; gap:10px}
.sw-row{display:flex; align-items:center; gap:12px}
.sw-row .sw-info{flex:1; min-width:0}
.sw-row .sw-name{font-size:.86rem; font-weight:600}
.sw-row .sw-desc{font-size:.72rem; color:var(--text-3)}
.sw-pick{position:relative; width:44px; height:34px; border-radius:9px; border:1px solid var(--line-2); overflow:hidden; flex:none; cursor:pointer}
.sw-pick input[type=color]{position:absolute; inset:-4px; width:calc(100% + 8px); height:calc(100% + 8px); border:0; padding:0; background:none; cursor:pointer}
.sw-hex{font-family:var(--mono); font-size:.72rem; color:var(--text-2); width:74px; text-transform:uppercase;
  background:var(--surface-2); border:1px solid var(--line-2); border-radius:8px; padding:6px 8px}

/* ---- pattern chips + radius ----------------------------------------------- */
.chips{display:flex; flex-wrap:wrap; gap:8px}
.chip{cursor:pointer; font-size:.8rem; font-weight:500; color:var(--text-2); background:var(--surface-2);
  border:1px solid var(--line-2); border-radius:100px; padding:8px 14px; transition:.16s}
.chip:hover{border-color:var(--text-3); color:var(--text)}
.chip.sel{background:var(--accent-soft); border-color:var(--accent); color:var(--text)}
.range-row{display:flex; align-items:center; gap:14px}
input[type=range]{flex:1; accent-color:var(--accent)}
.range-val{font-family:var(--mono); font-size:.8rem; color:var(--text-2); width:44px; text-align:right}

/* ---- toggles / stages ----------------------------------------------------- */
.toggles{display:grid; gap:2px}
.tgl{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:11px 0; border-bottom:1px solid var(--line)}
.tgl:last-child{border-bottom:0}
.tgl__info .tgl__name{font-size:.9rem; font-weight:600}
.tgl__info .tgl__desc{font-size:.74rem; color:var(--text-3)}
.switch{position:relative; width:44px; height:26px; flex:none; cursor:pointer}
.switch input{position:absolute; opacity:0; width:100%; height:100%; margin:0; cursor:pointer}
.switch .track{position:absolute; inset:0; background:var(--line-2); border-radius:100px; transition:.2s}
.switch .knob{position:absolute; top:3px; left:3px; width:20px; height:20px; background:#fff; border-radius:50%; transition:.2s var(--ease)}
.switch input:checked + .track{background:var(--accent)}
.switch input:checked + .track + .knob{transform:translateX(18px)}
.stage-row{display:flex; gap:9px; margin-top:4px}
.stage{flex:1; cursor:pointer; text-align:center; font-family:var(--mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-2); background:var(--surface-2); border:1px solid var(--line-2); border-radius:10px; padding:11px 6px; transition:.16s}
.stage.sel{background:var(--accent-soft); border-color:var(--accent); color:var(--text)}
.stage input{position:absolute; opacity:0; pointer-events:none}

/* ---- embed ---------------------------------------------------------------- */
.embed{position:relative}
.embed__code{font-family:var(--mono); font-size:.74rem; line-height:1.6; color:var(--text-2); background:#0C0D11;
  border:1px solid var(--line-2); border-radius:11px; padding:14px 15px; white-space:pre-wrap; word-break:break-all; max-height:180px; overflow:auto}
.embed__bar{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-top:10px}

/* ---- preview -------------------------------------------------------------- */
.preview{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); padding:16px}
.preview__h{display:flex; align-items:center; justify-content:space-between; margin-bottom:12px}
.preview__t{font-family:var(--mono); font-size:.62rem; letter-spacing:.18em; text-transform:uppercase; color:var(--text-3)}
.preview__live{display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:.62rem; letter-spacing:.1em; text-transform:uppercase; color:var(--pos)}
.preview__live .d{width:7px; height:7px; border-radius:50%; background:var(--pos); box-shadow:0 0 8px var(--pos); animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.preview__stage{background:#0C0D11; border:1px solid var(--line-2); border-radius:11px; padding:10px; min-height:220px}
.preview__frame{width:100%; border:0; display:block; background:transparent}
.preview__note{font-size:.74rem; color:var(--text-3); margin-top:10px; text-align:center}
.preview__w{display:flex; gap:6px; margin-bottom:10px}
.wbtn{cursor:pointer; font-family:var(--mono); font-size:.6rem; letter-spacing:.08em; text-transform:uppercase; color:var(--text-3);
  background:var(--surface-2); border:1px solid var(--line-2); border-radius:7px; padding:5px 9px}
.wbtn.sel{color:var(--text); border-color:var(--accent)}

/* ---- toast ---------------------------------------------------------------- */
.toast{position:fixed; left:50%; bottom:26px; transform:translateX(-50%) translateY(20px); opacity:0; pointer-events:none;
  background:var(--elev); border:1px solid var(--line-2); color:var(--text); font-size:.86rem; padding:11px 18px; border-radius:10px;
  box-shadow:0 12px 40px rgba(0,0,0,.5); transition:.22s var(--ease); z-index:80}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0)}
.toast--ok{border-color:color-mix(in srgb,var(--pos) 40%,transparent)}
.toast--err{border-color:color-mix(in srgb,#ff5c5c 45%,transparent)}

/* ---- auth pages ----------------------------------------------------------- */
.auth-wrap{min-height:calc(100vh - 58px); display:flex; align-items:center; justify-content:center; padding:24px}
.auth{width:100%; max-width:400px; background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:30px 28px}
.auth__brand{display:flex; align-items:center; gap:9px; font-family:var(--disp); font-weight:700; letter-spacing:.14em; font-size:.8rem;
  text-transform:uppercase; text-decoration:none; margin-bottom:22px}
.auth__brand i{color:var(--accent); font-style:normal}
.auth h1{font-family:var(--disp); font-size:1.4rem; margin:0 0 6px; letter-spacing:-.02em}
.auth p.lead{font-size:.88rem; color:var(--text-2); margin:0 0 22px}
.auth .field{margin-bottom:14px}
.auth .btn{width:100%; justify-content:center; margin-top:6px}
.auth__err{background:rgba(255,92,92,.1); border:1px solid rgba(255,92,92,.35); color:#ffb4b4; font-size:.82rem;
  padding:10px 12px; border-radius:9px; margin-bottom:16px}
.auth__foot{font-size:.78rem; color:var(--text-3); margin-top:18px; text-align:center}