/* Minimal, full-width QTSAR tracker */

/* Theme tokens */
:root{
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --border: #e5e5ea;
  --ring: #0a84ff;

  /* Softer buttons */
  --accent: #3a7bd5;
  --accent-soft: #e8f0fe;
  --danger: #e35d6a;
  --danger-soft: #fdecef;

  /* Sizing (live-adjustable) */
  --cell-min-h: 52px; /* row height */
  --col-q: 22%;
  --col-s: 19%;
  --col-t: 19%;
  --col-a: 19%;
  --col-r: 19%;
}

[data-theme="dark"]{
  --bg: #0b0b0c;
  --bg-soft: #17171a;
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --border: #2a2a2e;
  --ring: #0a84ff;

  --accent: #4d8df0;
  --accent-soft: #152036;
  --danger: #ff6b7a;
  --danger-soft: #2a1518;
}

/* Base */
*{ box-sizing:border-box }
html,body{ height:100% }
body{
  margin:0;
  background:var(--bg-soft);
  color:var(--text);
  font: 15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  letter-spacing:.2px;
}

/* Full-page layout */
.wrap{
  width:100%;
  max-width:none;
  margin: 20px 0 48px;
  padding: 0 20px;
}

header{ display:flex; align-items:flex-start; gap:8px; margin-bottom:10px; }
h1{ font-size:22px; margin:0; font-weight:600; }

/* Toolbar */
.toolbar{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:8px;
  display:flex; flex-wrap:wrap; gap:8px; align-items:center;
  position:sticky; top:8px; z-index:5; backdrop-filter:saturate(180%) blur(10px);
}
.spacer{ flex:1 }

/* Buttons (minimal) */
.btn{
  border:1px solid var(--border);
  background:var(--bg);
  color:var(--text);
  padding:6px 10px;
  border-radius:10px;
  cursor:pointer;
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:hover{ background: var(--bg-soft); }
.btn:focus{ outline:none; box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 30%, transparent); }
.btn.primary{ background: var(--accent-soft); border-color: color-mix(in oklab, var(--accent) 25%, var(--border)); }
.btn.danger{ background: var(--danger-soft); border-color: color-mix(in oklab, var(--danger) 25%, var(--border)); }
.btn.ghost{ opacity:.9; }

/* Dark-mode switch (icon-only) */
.switch{ display:inline-flex; align-items:center; }
.switch input{
  appearance:none; width:36px; height:22px; border-radius:999px;
  border:1px solid var(--border); position:relative; background:var(--bg);
  outline:none; cursor:pointer;
}
.switch input::after{
  content:""; position:absolute; top:2px; left:2px; width:16px; height:16px;
  border-radius:50%; background:var(--text);
  transition: transform .2s ease;
}
.switch input:checked::after{ transform: translateX(14px); }

/* Settings (collapsed by default) */
.settings{
  margin:10px 0 8px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:10px;
}
.settings.hidden{ display:none !important; }
.settings .row{
  display:flex; gap:12px; align-items:center; margin-bottom:8px;
}
.settings label{ font-size:12px; color:var(--muted); min-width:90px; }
.settings input[type=range]{ width:240px; }
.settings .grid{
  display:grid; gap:10px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

/* Card + Table */
.card{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:12px;
  margin:10px 0;
  overflow:hidden;
}
.table-wrap{ overflow:auto; }
.table{ width:100%; border-collapse:separate; border-spacing:0; }
.table thead th{
  position:sticky; top:0; z-index:2;
  background:var(--bg);
  color:var(--muted);
  text-align:left;
  font-weight:600; font-size:12px; letter-spacing:.3px;
  padding:8px 8px;
  border-bottom:1px solid var(--border);
}
.table tbody tr{ border-bottom:1px solid var(--border); }
.table td{ vertical-align:top; padding:6px 8px; border-bottom:1px solid var(--border); }

/* Inputs */
textarea.cell-input{
  width:100%;
  min-height:var(--cell-min-h);
  resize:none;
  border:1px solid var(--border);
  background:var(--bg-soft);
  color:var(--text);
  border-radius:10px;
  padding:8px 10px;
  line-height:1.4;
  outline:none;
}
textarea.cell-input:focus{
  box-shadow:0 0 0 3px color-mix(in oklab, var(--ring) 30%, transparent);
  border-color:var(--ring);
}

/* Row tools */
.row-tools{ display:flex; gap:6px; justify-content:flex-end; }
.row-tools .btn{ padding:4px 8px; }

/* Mobile tweaks */
@media (max-width:900px){
  .table thead th:nth-child(7),
  .table td:nth-child(7){
    position:sticky; right:0; background:var(--bg);
  }
}