/* odin-htmx-demo — one stylesheet, driven by variables.
   The whole theme is two token sets (dark default, light override). Components
   read tokens, never raw colours, so re-theming is local to :root. */

/* ---- tokens ----------------------------------------------------------- */

:root {
  --violet: #7c5cff;
  --indigo: #5b8cff;
  --cyan:   #22d3ee;
  --pink:   #f472d0;
  --green:  #34d399;
  --amber:  #fbbf24;
  --red:    #fb7185;
  --on-accent: #fff;   /* text/icon on accent-gradient surfaces; light-accent schemes flip it dark */

  --grad: linear-gradient(135deg, var(--violet), var(--indigo) 55%, var(--cyan));
  --grad-soft: linear-gradient(135deg, color-mix(in oklab, var(--violet) 22%, transparent), color-mix(in oklab, var(--cyan) 22%, transparent));

  --bg:      #0b0d17;
  --bg-2:    #11142100;
  --surface: #151a2c;
  --surface-2: #1b2138;
  --elevated: #20274180;
  --line:    #2a3252;
  --line-2:  #353f66;

  --text:    #eef1fb;
  --muted:   #9aa3c4;
  --faint:   #6b769e;

  --ok:   var(--green);
  --warn: var(--amber);
  --bad:  var(--red);

  --radius:   14px;
  --radius-sm: 9px;
  --radius-lg: 22px;

  --shadow:   0 18px 40px -22px rgba(4, 6, 18, .8);
  --shadow-lg: 0 30px 70px -30px rgba(3, 5, 16, .9);
  --ring: 0 0 0 3px color-mix(in oklab, var(--violet) 40%, transparent);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --spring: cubic-bezier(.2, .9, .25, 1.2);
  --fast: 130ms;
  --med: 200ms;

  --maxw: 1160px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Menlo, monospace;
}

/* ---- styles × schemes ------------------------------------------------
   :root above is the Modern · Midnight default (and the no-JS fallback). Each
   scheme overrides the palette for one [data-style][data-scheme] pair; --grad
   and --ring are derived from the accent trio, so re-tinting is just three vars.
   Phase C adds other styles as [data-style="x"] blocks (palette + structure). */

[data-style="modern"][data-scheme="daylight"] {
  --bg:      #f4f6fd;
  --surface: #ffffff;
  --surface-2: #f7f8fe;
  --elevated: #ffffff;
  --line:    #e3e7f4;
  --line-2:  #d3d9ee;

  --text:    #161a2c;
  --muted:   #5b647f;
  --faint:   #8a93ad;

  --shadow:   0 18px 40px -26px rgba(40, 50, 90, .35);
  --shadow-lg: 0 30px 70px -34px rgba(40, 50, 90, .4);
}

[data-style="modern"][data-scheme="nebula"] {
  --violet: #c45cff;
  --indigo: #9a5cff;
  --cyan:   #f472d0;

  --bg:      #120a1e;
  --surface: #1b1233;
  --surface-2: #241845;
  --elevated: #2a1c52cc;
  --line:    #33255e;
  --line-2:  #42306f;

  --text:    #f3eefb;
  --muted:   #b9a8d6;
  --faint:   #8574a6;
}

[data-style="modern"][data-scheme="aurora"] {
  --violet: #34d399;   /* emerald — vivid on the near-black bg */
  --indigo: #10b981;
  --cyan:   #5eead4;   /* bright teal end of the gradient */
  --on-accent: #04211a;  /* dark green text reads on the bright emerald button */

  --bg:      #04130d;
  --surface: #0b2018;
  --surface-2: #103024;
  --elevated: #15392bcc;
  --line:    #1d4a38;
  --line-2:  #2a6249;

  --text:    #ecfdf5;
  --muted:   #a9d6c5;  /* lifted for contrast on the dark surface */
  --faint:   #79a895;
}

[data-style="modern"][data-scheme="ember"] {
  --violet: #fbbf24;   /* amber → orange → coral: a warm dusk */
  --indigo: #fb923c;
  --cyan:   #fb7185;
  --on-accent: #2a1206;  /* deep brown reads on the bright warm button */

  --bg:      #160d08;
  --surface: #231509;
  --surface-2: #2f1d0e;
  --elevated: #3b2613cc;
  --line:    #3f2b16;
  --line-2:  #553c20;

  --text:    #fdf4e8;
  --muted:   #dabfa0;
  --faint:   #a88c6b;
}

[data-style="modern"][data-scheme="sandstone"] {
  --violet: #c2410c;   /* terracotta → rust → amber-800: deep enough for white text */
  --indigo: #9a3412;
  --cyan:   #b45309;

  --bg:      #f6efe2;
  --surface: #fffaf1;
  --surface-2: #f2e8d7;
  --elevated: #fffaf1;
  --line:    #e7d7bf;
  --line-2:  #d9c4a4;

  --text:    #2b211a;
  --muted:   #6b5a48;
  --faint:   #9a8a76;

  --shadow:   0 18px 40px -26px rgba(90, 60, 30, .35);
  --shadow-lg: 0 30px 70px -34px rgba(90, 60, 30, .4);
}

[data-style="modern"][data-scheme="ocean"] {
  --violet: #38bdf8;   /* sky → blue → cyan */
  --indigo: #3b82f6;
  --cyan:   #22d3ee;
  --on-accent: #04182e;

  --bg:      #060f1c;
  --surface: #0c1a2e;
  --surface-2: #112540;
  --elevated: #163052cc;
  --line:    #1d3a5c;
  --line-2:  #284d77;

  --text:    #eaf3fc;
  --muted:   #a6bfd9;
  --faint:   #7188a8;
}

/* ---- base ------------------------------------------------------------- */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 12% -8%, color-mix(in oklab, var(--violet) 24%, transparent), transparent 60%),
    radial-gradient(800px 520px at 100% 0%, color-mix(in oklab, var(--cyan) 16%, transparent), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); }
.icon { width: 1.15em; height: 1.15em; flex: none; }

::selection { background: color-mix(in oklab, var(--violet) 45%, transparent); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 99px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: var(--faint); background-clip: content-box; }

/* ---- topbar ----------------------------------------------------------- */

.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 18px;
  padding: 12px clamp(16px, 4vw, 38px);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.03em; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 11px; color: var(--on-accent); background: var(--grad);
  box-shadow: 0 8px 22px -8px var(--violet);
}
.brand-mark .icon { width: 19px; height: 19px; }
.brand-name b { color: var(--violet); }

.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav-link {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 13px; border-radius: 10px; color: var(--muted);
  font-weight: 550; font-size: .92rem;
  transition: color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.nav-link .icon { width: 17px; height: 17px; opacity: .85; }
.nav-link:hover { color: var(--text); background: color-mix(in oklab, var(--surface) 70%, transparent); }
.nav-link[aria-current="page"] { color: var(--text); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line-2); }
.nav-link[aria-current="page"] .icon { color: var(--violet); opacity: 1; }
@media (max-width: 880px) { .nav-link span { display: none; } }

/* search box */
.search { position: relative; margin-left: auto; display: flex; align-items: center; }
.search > .icon { position: absolute; left: 12px; color: var(--faint); width: 17px; height: 17px; pointer-events: none; }
.search input {
  width: 230px; max-width: 40vw; padding: 9px 14px 9px 36px;
  border-radius: 11px; border: 1px solid var(--line); background: var(--surface);
  color: var(--text); font: inherit; font-size: .9rem;
  transition: width var(--med) var(--ease), border-color var(--fast), box-shadow var(--fast);
}
.search input::placeholder { color: var(--faint); }
.search input:focus { outline: none; width: 290px; border-color: var(--violet); box-shadow: var(--ring); }

.search-results { position: absolute; top: calc(100% + 9px); right: 0; width: min(380px, 86vw); }
.search-panel {
  background: var(--elevated); backdrop-filter: blur(20px);
  border: 1px solid var(--line-2); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); overflow: hidden;
  animation: pop var(--med) var(--spring);
}
.search-list { list-style: none; margin: 0; padding: 6px; max-height: 60vh; overflow: auto; }
.search-list a { display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-radius: 10px; transition: background var(--fast); }
.search-list a:hover { background: color-mix(in oklab, var(--violet) 16%, transparent); }
.sr-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.sr-text strong { font-size: .9rem; font-weight: 600; }
.sr-text small { color: var(--muted); font-size: .78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-list mark { background: color-mix(in oklab, var(--cyan) 35%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }
.search-empty { padding: 16px; color: var(--muted); font-size: .9rem; }

/* ---- buttons ---------------------------------------------------------- */

.btn {
  --bg-btn: var(--surface-2);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 17px; border: 1px solid var(--line-2); border-radius: 11px;
  background: var(--bg-btn); color: var(--text); font: inherit; font-weight: 600; font-size: .92rem;
  cursor: pointer; user-select: none; white-space: nowrap;
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease), filter var(--fast), background var(--fast), border-color var(--fast);
}
.btn .icon { width: 17px; height: 17px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary { border-color: transparent; color: var(--on-accent); background: var(--grad); background-size: 160% 160%; box-shadow: 0 10px 26px -12px var(--violet); }
.btn-primary:hover { box-shadow: 0 14px 30px -10px var(--violet); background-position: 100% 0; }
.btn-accent { border-color: transparent; color: #04121a; background: linear-gradient(135deg, var(--cyan), var(--green)); box-shadow: 0 10px 26px -12px var(--cyan); }
.btn-danger { border-color: transparent; color: #fff; background: linear-gradient(135deg, var(--red), var(--pink)); box-shadow: 0 10px 26px -12px var(--red); }
.btn-outline { background: transparent; border-color: var(--line-2); }
.btn-outline:hover { border-color: var(--violet); color: var(--text); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface); color: var(--text); }
.btn-loading { pointer-events: none; }

.icon-btn {
  display: inline-grid; place-items: center; width: 38px; height: 38px; flex: none;
  border-radius: 10px; border: 1px solid var(--line); background: var(--surface);
  color: var(--muted); cursor: pointer;
  transition: transform var(--fast) var(--ease), color var(--fast), background var(--fast), border-color var(--fast);
}
.icon-btn:hover { color: var(--text); border-color: var(--line-2); transform: translateY(-1px); }
.icon-btn:active { transform: scale(.94); }
.icon-btn:focus-visible { outline: none; box-shadow: var(--ring); }
.icon-btn.danger:hover { color: var(--red); border-color: color-mix(in oklab, var(--red) 50%, var(--line)); }

/* ---- theme picker (style × scheme) ------------------------------------ */
.picker { position: relative; flex: none; }
.picker > summary { list-style: none; }
.picker > summary::-webkit-details-marker { display: none; }
.picker > summary::marker { content: ""; }
.picker[open] > summary { color: var(--text); border-color: var(--line-2); }
.picker-panel {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 50;
  width: 224px; padding: 14px; display: grid; gap: 9px;
  background: var(--elevated); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  animation: pop var(--fast) var(--spring);
}
@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(.97); } }
.picker-head { margin: 0; font-size: .68rem; font-weight: 600; text-transform: uppercase; letter-spacing: .09em; color: var(--faint); }
.picker-styles { display: flex; flex-wrap: wrap; gap: 6px; }
.picker-styles .chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
  border-radius: 999px; padding: 5px 12px; font-size: .85rem; cursor: pointer;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.picker-styles .chip:hover { transform: translateY(-1px); border-color: var(--line-2); }
.picker-styles .chip[aria-pressed="true"] { border-color: transparent; background: var(--grad); color: var(--on-accent); }
.picker-schemes { display: none; flex-wrap: wrap; gap: 9px; }
/* one line per style — reveals that style's swatch row when it's active */
:root[data-style="modern"] .picker-schemes[data-for="modern"] { display: flex; }
.swatch {
  width: 26px; height: 26px; padding: 0; border-radius: 50%; cursor: pointer;
  background: var(--sw); border: 2px solid var(--line-2);
  transition: transform var(--fast) var(--spring), box-shadow var(--fast) var(--ease);
}
.swatch:hover { transform: scale(1.12); }
.swatch:focus-visible { outline: none; box-shadow: var(--ring); }
.swatch[aria-pressed="true"] { border-color: var(--text); box-shadow: var(--ring); }

/* ---- layout / cards --------------------------------------------------- */

.container { max-width: var(--maxw); margin: 0 auto; padding: clamp(20px, 4vw, 40px); }

.page-head { margin-bottom: 28px; }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 700; color: var(--violet); margin-bottom: 8px; }
.page-head h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.lede { color: var(--muted); margin-top: 8px; max-width: 60ch; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-head h2 { font-size: 1.15rem; }

.block { margin-bottom: 30px; }
.block-head { margin-bottom: 14px; }
.block-head h2 { font-size: 1.2rem; }
.block-head p { font-size: .9rem; margin-top: 3px; }

.demo {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); padding: 22px;
}
.demo.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.demo.col { display: flex; flex-direction: column; gap: 16px; }
.demo .row { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.demo .row.center { align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }

/* ---- stats / dashboard ------------------------------------------------ */

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat {
  position: relative; overflow: hidden; padding: 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); transition: transform var(--med) var(--ease), border-color var(--med);
}
.stat::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); opacity: .9; }
.stat:hover { transform: translateY(-3px); border-color: var(--line-2); }
.stat-top { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.stat-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--grad-soft); color: var(--violet); }
.stat-label { font-size: .85rem; font-weight: 550; }
.stat-value { font-size: 2.1rem; font-weight: 750; letter-spacing: -.03em; margin: 8px 0 2px; }
.stat-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.stat-delta { display: inline-flex; align-items: center; gap: 4px; font-size: .8rem; color: var(--green); font-weight: 600; }
.stat-delta .icon { width: 14px; height: 14px; }
.spark { width: 88px; height: 30px; overflow: visible; }
.spark polyline { fill: none; stroke: var(--cyan); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  filter: drop-shadow(0 4px 8px color-mix(in oklab, var(--cyan) 50%, transparent)); }

.split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .link-grid { grid-template-columns: 1fr; } }
.tile {
  display: flex; gap: 13px; padding: 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--surface-2);
  transition: transform var(--fast) var(--ease), border-color var(--fast), background var(--fast);
}
.tile:hover { transform: translateY(-2px); border-color: var(--violet); background: var(--surface); }
.tile-icon { display: grid; place-items: center; width: 38px; height: 38px; flex: none; border-radius: 10px; background: var(--grad-soft); color: var(--violet); }
.tile strong { display: block; font-size: .96rem; }
.tile p { color: var(--muted); font-size: .83rem; margin-top: 2px; }

.ping-slot { min-height: 56px; display: flex; align-items: center; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px dashed var(--line-2); margin: 12px 0 16px; }
.ping-ok { display: flex; align-items: center; gap: 11px; }
.ping-ok .icon { width: 22px; height: 22px; color: var(--green); }
.ping-ok strong { font-family: var(--mono); }
.ping-ok small { display: block; color: var(--muted); }

/* ---- badges / chips / tags / avatars ---------------------------------- */

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 99px; font-size: .78rem; font-weight: 600; border: 1px solid transparent; }
.badge .dot { width: 7px; height: 7px; border-radius: 99px; background: currentColor; box-shadow: 0 0 0 3px color-mix(in oklab, currentColor 22%, transparent); }
.badge-ok   { color: var(--green); background: color-mix(in oklab, var(--green) 14%, transparent); border-color: color-mix(in oklab, var(--green) 28%, transparent); }
.badge-warn { color: var(--amber); background: color-mix(in oklab, var(--amber) 14%, transparent); border-color: color-mix(in oklab, var(--amber) 28%, transparent); }
.badge-mute { color: var(--faint); background: color-mix(in oklab, var(--faint) 14%, transparent); border-color: color-mix(in oklab, var(--faint) 26%, transparent); }

.chip { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 8px; font-size: .78rem; font-weight: 600; background: var(--surface-2); border: 1px solid var(--line-2); color: var(--muted); }
.chip-r0 { color: var(--indigo); border-color: color-mix(in oklab, var(--indigo) 40%, transparent); }
.chip-r1 { color: var(--pink); border-color: color-mix(in oklab, var(--pink) 40%, transparent); }
.chip-r2 { color: var(--cyan); border-color: color-mix(in oklab, var(--cyan) 40%, transparent); }
.chip-r3 { color: var(--amber); border-color: color-mix(in oklab, var(--amber) 40%, transparent); }
.chip-r4 { color: var(--green); border-color: color-mix(in oklab, var(--green) 40%, transparent); }

.tag { font-family: var(--mono); font-size: .74rem; padding: 2px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--line-2); color: var(--muted); }
.tag-new { color: var(--on-accent); background: var(--grad); border-color: transparent; }
.count { position: relative; font-weight: 700; }
.count i { font-style: normal; font-size: .7rem; color: var(--muted); margin-left: 6px; font-weight: 500; }

.avatar { display: inline-grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 50%; font-size: .8rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, hsl(var(--h), 80%, 62%), hsl(calc(var(--h) + 40), 75%, 48%));
  box-shadow: 0 6px 14px -6px hsl(var(--h), 70%, 45%); }
.avatar-stack { display: flex; }
.avatar-stack .avatar { margin-left: -10px; border: 2px solid var(--surface); }
.avatar-stack .avatar:first-child { margin-left: 0; }
.avatar-more { background: var(--surface-2); color: var(--muted); }

/* ---- meters / rings / spinners ---------------------------------------- */

.meter { height: 7px; border-radius: 99px; background: var(--surface-2); overflow: hidden; box-shadow: inset 0 0 0 1px var(--line); }
.meter.lg { height: 11px; }
.meter i { display: block; height: 100%; border-radius: inherit; background: var(--grad); transition: width var(--med) var(--ease); }
.meter-accent i { background: linear-gradient(90deg, var(--cyan), var(--green)); }

.ring { --p: 0; position: relative; width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--violet) calc(var(--p) * 1%), var(--surface-2) 0); }
.ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--surface); }
.ring span { position: relative; font-weight: 700; font-size: .92rem; }

.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid color-mix(in oklab, currentColor 25%, transparent); border-top-color: currentColor; animation: spin .7s linear infinite; }
.spinner-lg { width: 30px; height: 30px; border-width: 3px; color: var(--violet); }
.bar-indeterminate { position: relative; width: 160px; height: 7px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.bar-indeterminate i { position: absolute; inset: 0; width: 40%; border-radius: inherit; background: var(--grad); animation: indeterminate 1.2s var(--ease) infinite; }

/* ---- tabs ------------------------------------------------------------- */

.tabs { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.tablist { display: flex; gap: 2px; padding: 6px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.tab { flex: 1; padding: 9px 14px; border: none; background: transparent; color: var(--muted); font: inherit; font-weight: 600; font-size: .9rem; border-radius: 9px; cursor: pointer; transition: color var(--fast), background var(--fast); }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); background: var(--surface); box-shadow: 0 4px 12px -8px rgba(0,0,0,.5), inset 0 0 0 1px var(--line); }
.tabpanel { padding: 22px; animation: fade-up var(--med) var(--ease); }
.tabpanel h3 { margin-bottom: 8px; }

/* ---- accordion -------------------------------------------------------- */

.accordion { gap: 10px; }
.acc { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); overflow: hidden; }
.acc summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; cursor: pointer; font-weight: 600; list-style: none; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary .icon { transition: transform var(--med) var(--spring); color: var(--violet); }
.acc[open] summary .icon { transform: rotate(45deg); }
.acc-body { padding: 0 16px 15px; color: var(--muted); animation: fade-up var(--med) var(--ease); }

/* ---- forms ------------------------------------------------------------ */

.form { max-width: 760px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.span-2 { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 7px; }
.field > span, .field legend { font-size: .85rem; font-weight: 600; color: var(--muted); display: flex; align-items: center; justify-content: space-between; }
.field.inline { flex-direction: row; align-items: center; gap: 12px; }
.field.inline span:last-child { color: var(--text); font-weight: 500; }

input, select, textarea {
  width: 100%; padding: 10px 13px; font: inherit; font-size: .92rem; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line-2); border-radius: 10px;
  transition: border-color var(--fast), box-shadow var(--fast), background var(--fast);
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--violet); box-shadow: var(--ring); background: var(--surface); }
textarea { resize: vertical; min-height: 76px; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%239aa3c4' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; cursor: pointer; }
.out { font-family: var(--mono); color: var(--violet); font-size: .8rem; }

/* range */
input[type="range"] { -webkit-appearance: none; appearance: none; height: 7px; padding: 0; border: none; border-radius: 99px;
  background: linear-gradient(90deg, var(--violet), var(--cyan)) no-repeat, var(--surface-2);
  background-size: var(--fill, 50%) 100%; cursor: pointer;
  transition: none; }  /* fill tracks the thumb instantly — never animate background-size */
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 19px; height: 19px; border-radius: 50%; background: #fff; border: 3px solid var(--violet); box-shadow: 0 3px 10px -2px var(--violet); transition: transform var(--fast); }
input[type="range"]::-webkit-slider-thumb:active { transform: scale(1.2); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--violet); }

/* switch / check / radio */
.toggle { position: relative; display: inline-flex; flex: none; width: 44px; height: 25px; }
.toggle input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.toggle i { position: absolute; inset: 0; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line-2); transition: background var(--fast); }
.toggle i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 19px; height: 19px; border-radius: 50%; background: var(--faint); transition: transform var(--med) var(--spring), background var(--fast); }
.toggle input:checked + i { background: var(--grad); border-color: transparent; }
.toggle input:checked + i::after { transform: translateX(19px); background: #fff; }
.toggle input:focus-visible + i { box-shadow: var(--ring); }

.check, .radio { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-weight: 500; color: var(--text); }
.check input, .radio input { position: absolute; opacity: 0; width: 0; }
.check i, .radio i { display: grid; place-items: center; width: 20px; height: 20px; flex: none; border: 1px solid var(--line-2); background: var(--surface-2); transition: background var(--fast), border-color var(--fast); }
.check i { border-radius: 6px; }
.radio i { border-radius: 50%; }
.check i::after { content: ""; width: 10px; height: 10px; border-radius: 3px; background: #fff; transform: scale(0); transition: transform var(--fast) var(--spring); }
.radio i::after { content: ""; width: 9px; height: 9px; border-radius: 50%; background: #fff; transform: scale(0); transition: transform var(--fast) var(--spring); }
.check input:checked + i, .radio input:checked + i { background: var(--grad); border-color: transparent; }
.check input:checked + i::after, .radio input:checked + i::after { transform: scale(1); }
.radios { display: flex; gap: 18px; flex-wrap: wrap; }
fieldset { border: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }

.field-msg { min-height: 18px; font-size: .8rem; margin: 0; }
.msg { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; animation: fade-up var(--fast) var(--ease); }
.msg-ok { color: var(--green); }
.msg-err { color: var(--red); }

.form-actions { display: flex; gap: 10px; margin-top: 22px; }
.form-result:empty { display: none; }
.result-ok, .result-err { margin-top: 18px; padding: 15px 17px; border-radius: var(--radius-sm); animation: pop var(--med) var(--spring); }
.result-ok { display: flex; gap: 12px; align-items: center; background: color-mix(in oklab, var(--green) 12%, transparent); border: 1px solid color-mix(in oklab, var(--green) 32%, transparent); }
.result-ok .icon { width: 26px; height: 26px; color: var(--green); flex: none; }
.result-ok p { color: var(--muted); font-size: .88rem; margin-top: 2px; }
.result-err { background: color-mix(in oklab, var(--red) 12%, transparent); border: 1px solid color-mix(in oklab, var(--red) 32%, transparent); }
.result-err ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }

/* ---- data table ------------------------------------------------------- */

.toolbar { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .filter { position: relative; flex: 1; min-width: 220px; display: flex; align-items: center; }
.toolbar .filter > .icon { position: absolute; left: 13px; color: var(--faint); width: 17px; height: 17px; pointer-events: none; }
.toolbar .filter input { padding-left: 38px; }

.add { position: relative; }
.add > summary { list-style: none; }
.add > summary::-webkit-details-marker { display: none; }
.add[open] > summary { background: var(--surface); color: var(--text); }
.add-form {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 20;
  display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 10px; align-items: center;
  width: min(620px, 92vw); box-shadow: var(--shadow-lg); animation: pop var(--med) var(--spring);
}
@media (max-width: 620px) { .add-form { grid-template-columns: 1fr; right: auto; } }

.table-card { padding: 14px; overflow: visible; }
.table-meta { padding: 4px 8px 12px; }
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table thead th { text-align: left; padding: 0 6px 10px; border-bottom: 1px solid var(--line); }
.table .th-actions { text-align: right; color: var(--muted); font-size: .8rem; font-weight: 600; padding-right: 14px; }
.sort { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; margin-left: -8px; border: none; background: none; color: var(--muted); font: inherit; font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; border-radius: 7px; cursor: pointer; transition: color var(--fast), background var(--fast); }
.sort:hover { color: var(--text); background: var(--surface-2); }
.caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; opacity: 0; transition: opacity var(--fast), transform var(--fast); }
.sort[data-dir="asc"] { color: var(--text); }
.sort[data-dir="asc"] .caret { opacity: 1; border-bottom: 5px solid var(--violet); }
.sort[data-dir="desc"] { color: var(--text); }
.sort[data-dir="desc"] .caret { opacity: 1; border-top: 5px solid var(--violet); }

.table tbody td { padding: 11px 6px; border-bottom: 1px solid color-mix(in oklab, var(--line) 60%, transparent); vertical-align: middle; }
.row { transition: background var(--fast); }
.row:hover { background: color-mix(in oklab, var(--violet) 7%, transparent); }
.c-name { display: flex; align-items: center; gap: 11px; }
.c-name .avatar { width: 32px; height: 32px; font-size: .72rem; }
.c-name-text { display: flex; flex-direction: column; line-height: 1.25; }
.c-name-text small { color: var(--faint); font-size: .74rem; font-family: var(--mono); }
.c-email { color: var(--muted); font-size: .86rem; }
.c-score { width: 150px; }
.c-score .meter { margin-bottom: 4px; }
.c-score small { color: var(--muted); font-size: .76rem; }
.c-actions { text-align: right; white-space: nowrap; }
.c-actions .icon-btn { width: 32px; height: 32px; }
.c-actions .icon-btn .icon { width: 15px; height: 15px; }

.row-empty td { padding: 40px !important; }
.empty { display: grid; place-items: center; gap: 10px; color: var(--muted); }
.empty .icon { width: 30px; height: 30px; opacity: .5; }

.pager { display: flex; gap: 6px; justify-content: flex-end; align-items: center; padding: 14px 8px 4px; }
.page { min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); border-radius: 9px; font: inherit; font-weight: 600; font-size: .85rem; cursor: pointer; transition: color var(--fast), border-color var(--fast), background var(--fast); }
.page:hover:not(:disabled) { color: var(--text); border-color: var(--line-2); }
.page:disabled { opacity: .4; cursor: not-allowed; }
.page.is-current { color: var(--on-accent); background: var(--grad); border-color: transparent; }

/* ---- overlays --------------------------------------------------------- */

#overlay:empty { display: none; }
.backdrop { position: fixed; inset: 0; z-index: 100; display: grid; background: color-mix(in oklab, #05060f 60%, transparent); backdrop-filter: blur(4px); animation: fade var(--med) var(--ease); }
.backdrop.htmx-swapping { animation: fade var(--med) var(--ease) reverse; }

.modal { place-self: center; width: min(440px, 92vw); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; animation: modal-in var(--med) var(--spring); }
.htmx-swapping .modal { animation: modal-out var(--fast) var(--ease) forwards; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.modal-head .icon-btn .icon { transform: rotate(45deg); }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.modal-body p { color: var(--muted); font-size: .9rem; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 20px; border-top: 1px solid var(--line); background: var(--surface-2); }

.drawer { place-self: stretch end; width: min(380px, 90vw); height: 100%; background: var(--surface); border-left: 1px solid var(--line-2); box-shadow: var(--shadow-lg); padding: 22px; display: flex; flex-direction: column; gap: 18px; animation: drawer-in var(--med) var(--spring); }
.htmx-swapping .drawer { animation: drawer-out var(--med) var(--ease) forwards; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-head .icon-btn .icon { transform: rotate(45deg); }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.drawer-link { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px; color: var(--muted); font-weight: 550; transition: background var(--fast), color var(--fast); }
.drawer-link:hover { background: var(--surface-2); color: var(--text); }
.drawer-link .icon { color: var(--violet); }
.drawer-foot { margin-top: auto; font-size: .84rem; }

/* ---- toasts ----------------------------------------------------------- */

.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; max-width: 340px; }
.toast { display: flex; align-items: center; gap: 11px; padding: 13px 15px; border-radius: var(--radius-sm); background: var(--elevated); backdrop-filter: blur(18px); border: 1px solid var(--line-2); box-shadow: var(--shadow-lg); animation: toast-in var(--med) var(--spring); }
.toast.leaving { animation: toast-out var(--med) var(--ease) forwards; }
.toast p { font-size: .88rem; font-weight: 550; flex: 1; }
.toast-icon { display: grid; place-items: center; width: 30px; height: 30px; flex: none; border-radius: 9px; }
.toast-icon .icon { width: 17px; height: 17px; }
.toast-success .toast-icon { color: var(--green); background: color-mix(in oklab, var(--green) 16%, transparent); }
.toast-error .toast-icon { color: var(--red); background: color-mix(in oklab, var(--red) 16%, transparent); }
.toast-info .toast-icon { color: var(--cyan); background: color-mix(in oklab, var(--cyan) 16%, transparent); }
.toast-x { border: none; background: none; color: var(--faint); font-size: 1.2rem; line-height: 1; cursor: pointer; padding: 0 2px; transition: color var(--fast); }
.toast-x:hover { color: var(--text); }

/* ---- tooltip ---------------------------------------------------------- */

[data-tip] { position: relative; }
[data-tip]::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translate(-50%, 4px); white-space: nowrap; padding: 6px 10px; border-radius: 8px; background: #05060f; color: #fff; font-size: .78rem; font-weight: 500; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity var(--fast), transform var(--fast) var(--ease); }
[data-tip]:hover::after { opacity: 1; transform: translate(-50%, 0); }

/* ---- htmx swap transitions ------------------------------------------- */

.row-new { animation: row-in 420ms var(--spring); }
tr.htmx-swapping { animation: row-out 220ms var(--ease) forwards; }
.htmx-indicator { opacity: 0; transition: opacity var(--fast); }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; }

/* ---- keyframes -------------------------------------------------------- */

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade { from { opacity: 0; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(7px); } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.97); } }
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(.94); } }
@keyframes modal-out { to { opacity: 0; transform: translateY(10px) scale(.96); } }
@keyframes drawer-in { from { transform: translateX(100%); } }
@keyframes drawer-out { to { transform: translateX(100%); } }
@keyframes toast-in { from { opacity: 0; transform: translateX(40px) scale(.95); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(40px) scale(.95); height: 0; margin: 0; padding-top: 0; padding-bottom: 0; } }
@keyframes row-in { from { opacity: 0; transform: translateY(-8px); background: color-mix(in oklab, var(--green) 22%, transparent); } }
@keyframes row-out { to { opacity: 0; transform: translateX(20px); } }
@keyframes indeterminate { 0% { left: -40%; } 100% { left: 100%; } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* =====================================================================
   STYLE: Skeuomorphic — tactile depth from gradients + layered shadows,
   no image assets. Panels are raised, fields recessed, buttons press. The
   bevel kit (--hi highlight, --lo recess, --gloss sheen) is tuned per scheme.
   ===================================================================== */

[data-style="skeuo"] {
  --radius: 13px; --radius-sm: 9px; --radius-lg: 20px;
  --hi: rgba(255, 255, 255, .75);
  --lo: rgba(12, 20, 34, .28);
  --gloss: rgba(255, 255, 255, .5);

  /* default palette = Aqua (light, lickable blue) */
  --violet: #3b82f6; --indigo: #2563eb; --cyan: #38bdf8; --on-accent: #fff;
  --grad: linear-gradient(180deg, color-mix(in oklab, var(--violet) 82%, white), var(--violet));
  --bg: #d6dce6; --surface: #eef1f6; --surface-2: #e2e7ef; --elevated: #f7f9fc;
  --line: #c3cbd8; --line-2: #abb5c4;
  --text: #1e2733; --muted: #586575; --faint: #8794a5;
  --shadow: 0 2px 4px rgba(20, 30, 50, .14), 0 12px 26px -12px rgba(20, 30, 50, .4);
  --shadow-lg: 0 4px 10px rgba(20, 30, 50, .16), 0 26px 54px -20px rgba(20, 30, 50, .5);
}

[data-style="skeuo"][data-scheme="graphite"] {
  --hi: rgba(255, 255, 255, .14); --lo: rgba(0, 0, 0, .5); --gloss: rgba(255, 255, 255, .12);
  --violet: #5b8cff; --indigo: #3b82f6; --cyan: #38bdf8; --on-accent: #fff;
  --grad: linear-gradient(180deg, color-mix(in oklab, var(--violet) 72%, white 12%), var(--violet));
  --bg: #23272e; --surface: #3a3f49; --surface-2: #2f343d; --elevated: #454b56;
  --line: #1b1f25; --line-2: #14171c;
  --text: #eef1f6; --muted: #aeb7c3; --faint: #7d8794;
  --shadow: 0 2px 4px rgba(0, 0, 0, .4), 0 14px 30px -14px rgba(0, 0, 0, .7);
  --shadow-lg: 0 4px 10px rgba(0, 0, 0, .45), 0 28px 60px -22px rgba(0, 0, 0, .8);
}

[data-style="skeuo"][data-scheme="brass"] {
  --hi: rgba(255, 240, 214, .2); --lo: rgba(0, 0, 0, .5); --gloss: rgba(255, 240, 214, .22);
  --violet: #d8a64a; --indigo: #b8860b; --cyan: #e9c46a; --on-accent: #29200d;
  --grad: linear-gradient(180deg, color-mix(in oklab, var(--violet) 78%, white 14%), var(--violet));
  --bg: #251c14; --surface: #3a2c20; --surface-2: #31251b; --elevated: #483626;
  --line: #1b140d; --line-2: #120c08;
  --text: #f6ecdb; --muted: #cbb799; --faint: #9b876a;
  --shadow: 0 2px 4px rgba(0, 0, 0, .4), 0 14px 30px -14px rgba(0, 0, 0, .65);
  --shadow-lg: 0 4px 10px rgba(0, 0, 0, .45), 0 28px 60px -22px rgba(0, 0, 0, .75);
}

:root[data-style="skeuo"] .picker-schemes[data-for="skeuo"] { display: flex; }

[data-style="skeuo"] body {
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 80%, var(--bg)), var(--bg) 72%);
  background-attachment: fixed;
}

/* raised panels */
[data-style="skeuo"] .card,
[data-style="skeuo"] .stat-card,
[data-style="skeuo"] .panel,
[data-style="skeuo"] .picker-panel {
  background: linear-gradient(180deg, var(--elevated), var(--surface));
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 var(--hi), var(--shadow);
}

/* tactile buttons */
[data-style="skeuo"] .btn {
  border: 1px solid var(--line-2);
  background:
    linear-gradient(180deg, var(--gloss), rgba(255, 255, 255, 0) 46%),
    linear-gradient(180deg, var(--surface), var(--surface-2));
  box-shadow: inset 0 1px 0 var(--hi), 0 1px 0 var(--line-2), 0 4px 9px -3px var(--lo);
  text-shadow: 0 1px 0 var(--hi);
  transition: filter var(--fast), box-shadow var(--fast), transform var(--fast);
}
[data-style="skeuo"] .btn:hover { transform: none; filter: brightness(1.04); }
[data-style="skeuo"] .btn:active { transform: translateY(1px); box-shadow: inset 0 2px 6px var(--lo); filter: brightness(.98); }
[data-style="skeuo"] .btn-primary {
  border-color: color-mix(in oklab, var(--violet) 55%, black);
  background: linear-gradient(180deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, 0) 46%), var(--grad);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 1px 0 color-mix(in oklab, var(--violet) 45%, black), 0 8px 18px -7px var(--violet);
  text-shadow: 0 -1px 0 rgba(0, 0, 0, .22);
}
[data-style="skeuo"] .btn-danger {
  border-color: color-mix(in oklab, var(--red) 55%, black);
  background: linear-gradient(180deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, 0) 46%), linear-gradient(180deg, color-mix(in oklab, var(--red) 80%, white), var(--red));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 8px 18px -7px var(--red);
  text-shadow: 0 -1px 0 rgba(0, 0, 0, .22);
}
[data-style="skeuo"] .btn-accent {
  border-color: color-mix(in oklab, var(--cyan) 55%, black);
  background: linear-gradient(180deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, 0) 46%), linear-gradient(180deg, color-mix(in oklab, var(--cyan) 82%, white), var(--green));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .5), 0 8px 18px -7px var(--cyan);
}
[data-style="skeuo"] .btn-outline { background: linear-gradient(180deg, var(--surface), var(--surface-2)); }

/* recessed fields */
[data-style="skeuo"] input,
[data-style="skeuo"] select,
[data-style="skeuo"] textarea {
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 78%, var(--lo)), var(--surface-2));
  border: 1px solid var(--line-2);
  box-shadow: inset 0 2px 5px var(--lo), inset 0 -1px 0 var(--hi);
}
[data-style="skeuo"] input:focus,
[data-style="skeuo"] select:focus,
[data-style="skeuo"] textarea:focus { box-shadow: inset 0 2px 5px var(--lo), var(--ring); border-color: var(--violet); }

/* chrome: icon buttons, picker trigger, topbar, nav, brand */
[data-style="skeuo"] .icon-btn,
[data-style="skeuo"] .picker > summary {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line-2);
  box-shadow: inset 0 1px 0 var(--hi), 0 3px 7px -3px var(--lo);
}
[data-style="skeuo"] .icon-btn:active { box-shadow: inset 0 2px 5px var(--lo); transform: translateY(1px); }
[data-style="skeuo"] .topbar {
  background: linear-gradient(180deg, var(--elevated), var(--surface));
  border-bottom: 1px solid var(--line-2);
  box-shadow: inset 0 1px 0 var(--hi), 0 4px 12px -6px var(--lo);
}
[data-style="skeuo"] .nav-link[aria-current="page"] { background: linear-gradient(180deg, var(--surface-2), var(--surface)); box-shadow: inset 0 2px 5px var(--lo); }
[data-style="skeuo"] .brand-mark {
  background: linear-gradient(180deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, 0) 46%), var(--grad);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .5), 0 4px 10px -4px var(--violet);
}
[data-style="skeuo"] .badge { box-shadow: inset 0 1px 0 var(--hi), 0 1px 2px var(--lo); }

/* recessed range groove + domed thumb (restore the fill the field rule clobbered) */
[data-style="skeuo"] input[type="range"] {
  background:
    linear-gradient(90deg, var(--violet), var(--cyan)) no-repeat,
    linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 82%, var(--lo)), var(--surface-2));
  background-size: var(--fill, 50%) 100%, 100% 100%;
  box-shadow: inset 0 2px 4px var(--lo);
}
[data-style="skeuo"] input[type="range"]::-webkit-slider-thumb {
  background: linear-gradient(180deg, #fff, #d8dee8); border: 1px solid var(--line-2);
  box-shadow: inset 0 1px 0 #fff, 0 2px 5px var(--lo);
}

/* =====================================================================
   STYLE: Terminal / CRT — monospace, phosphor glow, boxy, faint scanlines.
   ===================================================================== */

[data-style="terminal"] {
  --font: var(--mono);
  --radius: 3px; --radius-sm: 2px; --radius-lg: 4px;
  --glow: 0 0 6px;
  --scan: rgba(0, 0, 0, .22);

  /* green phosphor (default) */
  --violet: #2bff66; --indigo: #16d652; --cyan: #7dffa6; --on-accent: #021b09;
  --grad: linear-gradient(135deg, var(--violet), var(--cyan));
  --bg: #020705; --surface: #07120c; --surface-2: #0a1810; --elevated: #0b1c12;
  --line: #173425; --line-2: #265640;
  --text: #54f08a; --muted: #2c9658; --faint: #1d6a3e;
  --ok: #2bff66; --warn: #ffd23b; --bad: #ff5f56;
  --shadow: 0 14px 34px -18px #000; --shadow-lg: 0 22px 54px -22px #000;
}

[data-style="terminal"][data-scheme="amber"] {
  --violet: #ffb000; --indigo: #e09400; --cyan: #ffd166; --on-accent: #201400;
  --bg: #0a0600; --surface: #150d02; --surface-2: #1b1204; --elevated: #1f1505;
  --line: #3a2a0c; --line-2: #5a4416;
  --text: #ffc54d; --muted: #a8791f; --faint: #7a5713;
}

[data-style="terminal"][data-scheme="ibm"] {
  --violet: #8ab4ff; --indigo: #5b8cff; --cyan: #b9d4ff; --on-accent: #03122e;
  --bg: #04070f; --surface: #0a1020; --surface-2: #0e1628; --elevated: #111b30;
  --line: #1d2b48; --line-2: #2c426c;
  --text: #cdd9f5; --muted: #7e8fb8; --faint: #56668c;
}

/* Paper — a light teletype/printout: dark ink on warm stock, no glow, faint lines */
[data-style="terminal"][data-scheme="paper"] {
  --violet: #1f7a3d; --indigo: #15602f; --cyan: #2f9d55; --on-accent: #f3f0e4;
  --grad: linear-gradient(135deg, var(--violet), var(--indigo));
  --bg: #e9e5d4; --surface: #f3f0e3; --surface-2: #e3dfcd; --elevated: #f7f4ea;
  --line: #cbc5af; --line-2: #b4ad93;
  --text: #1d2a20; --muted: #4c5d50; --faint: #7c8a7e;
  --ok: #1f7a3d; --warn: #9a6a12; --bad: #b33;
  --glow: 0 0 0; --scan: rgba(60, 50, 30, .05);
}

:root[data-style="terminal"] .picker-schemes[data-for="terminal"] { display: flex; }

[data-style="terminal"] body {
  background:
    repeating-linear-gradient(0deg, var(--scan) 0 1px, transparent 1px 3px),
    radial-gradient(120% 80% at 50% 0%, color-mix(in oklab, var(--violet) 8%, transparent), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  letter-spacing: .01em;
}
[data-style="terminal"] h1, [data-style="terminal"] h2, [data-style="terminal"] h3,
[data-style="terminal"] .brand-name, [data-style="terminal"] .stat-value {
  text-shadow: var(--glow) color-mix(in oklab, var(--violet) 70%, transparent);
}
[data-style="terminal"] .card, [data-style="terminal"] .stat-card,
[data-style="terminal"] .panel, [data-style="terminal"] .picker-panel {
  background: var(--surface); border: 1px solid var(--line-2);
  box-shadow: inset 0 0 0 1px var(--line), 0 0 26px -12px color-mix(in oklab, var(--violet) 35%, transparent);
}
[data-style="terminal"] .btn {
  background: transparent; border: 1px solid var(--line-2); color: var(--text);
  text-transform: uppercase; letter-spacing: .06em; font-size: .82rem;
}
[data-style="terminal"] .btn:hover {
  transform: none; border-color: var(--violet);
  background: color-mix(in oklab, var(--violet) 14%, transparent);
  box-shadow: 0 0 12px -2px color-mix(in oklab, var(--violet) 55%, transparent);
}
[data-style="terminal"] .btn-primary {
  background: var(--violet); color: var(--on-accent); border-color: var(--violet);
  box-shadow: 0 0 16px -3px var(--violet); text-shadow: none;
}
[data-style="terminal"] .btn-primary:hover { background: var(--violet); filter: brightness(1.1); }
[data-style="terminal"] input, [data-style="terminal"] select, [data-style="terminal"] textarea {
  background: #000; border: 1px solid var(--line-2); color: var(--text); caret-color: var(--violet);
}
[data-style="terminal"] input:focus, [data-style="terminal"] select:focus, [data-style="terminal"] textarea:focus {
  border-color: var(--violet); box-shadow: 0 0 0 1px var(--violet);
}
[data-style="terminal"] .topbar { background: color-mix(in oklab, var(--bg) 88%, black); border-bottom: 1px solid var(--line-2); }
[data-style="terminal"] .nav-link[aria-current="page"] {
  background: transparent; color: var(--violet);
  box-shadow: inset 0 -2px 0 var(--violet); text-shadow: var(--glow) var(--violet);
}
[data-style="terminal"] .brand-mark {
  background: transparent; border: 1px solid var(--violet); color: var(--violet);
  box-shadow: 0 0 12px -2px var(--violet);
}
[data-style="terminal"] .badge { border: 1px solid currentColor; background: transparent; }
[data-style="terminal"] input[type="range"] {
  background: linear-gradient(90deg, var(--violet), var(--cyan)) no-repeat, #000;
  background-size: var(--fill, 50%) 100%, 100% 100%;
}
[data-style="terminal"] input[type="range"]::-webkit-slider-thumb {
  background: var(--violet); border: none; border-radius: 2px; box-shadow: 0 0 8px var(--violet);
}

/* =====================================================================
   STYLE: Brutalist — raw and loud. Zero radius, thick borders, flat fills,
   hard offset shadows that shift on press, heavy uppercase type.
   ===================================================================== */

[data-style="brutal"] {
  --font: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --radius: 0; --radius-sm: 0; --radius-lg: 0;

  /* Paper (light) — default */
  --violet: #2b46ff; --indigo: #2b46ff; --cyan: #ff3b3b; --on-accent: #fff;
  --grad: var(--violet);
  --bg: #f4f4ef; --surface: #ffffff; --surface-2: #f0f0ea; --elevated: #ffffff;
  --line: #0a0a0a; --line-2: #0a0a0a;
  --text: #0a0a0a; --muted: #41413c; --faint: #6f6f68;
  --shadow: 5px 5px 0 var(--line); --shadow-lg: 9px 9px 0 var(--line);
  --ring: 0 0 0 3px var(--violet);
}

[data-style="brutal"][data-scheme="ink"] {
  --violet: #5170ff; --indigo: #5170ff; --cyan: #ff5c5c; --on-accent: #06070f;
  --bg: #0c0c0c; --surface: #161616; --surface-2: #101010; --elevated: #1a1a1a;
  --line: #fafafa; --line-2: #fafafa;
  --text: #fafafa; --muted: #b4b4b4; --faint: #808080;
}

[data-style="brutal"][data-scheme="acid"] {
  --violet: #0a0a0a; --indigo: #0a0a0a; --cyan: #ff2bd6; --on-accent: #e8ff3a;
  --bg: #e6ff36; --surface: #f6ffc2; --surface-2: #ddf52e; --elevated: #f6ffc2;
  --line: #0a0a0a; --line-2: #0a0a0a;
  --text: #0a0a0a; --muted: #33380a; --faint: #5c6216;
}

:root[data-style="brutal"] .picker-schemes[data-for="brutal"] { display: flex; }

[data-style="brutal"] body { background: var(--bg); }
[data-style="brutal"] h1, [data-style="brutal"] h2, [data-style="brutal"] .stat-value { letter-spacing: -.02em; }

[data-style="brutal"] .card, [data-style="brutal"] .stat-card,
[data-style="brutal"] .panel, [data-style="brutal"] .picker-panel {
  background: var(--surface); border: 3px solid var(--line); border-radius: 0; box-shadow: var(--shadow);
}

[data-style="brutal"] .btn {
  background: var(--surface); color: var(--text);
  border: 2px solid var(--line); border-radius: 0;
  font-weight: 800; text-transform: uppercase; letter-spacing: .02em;
  box-shadow: 3px 3px 0 var(--line);
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}
[data-style="brutal"] .btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--line); }
[data-style="brutal"] .btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--line); }
[data-style="brutal"] .btn-primary { background: var(--violet); color: var(--on-accent); border-color: var(--line); }
[data-style="brutal"] .btn-danger { background: var(--cyan); color: #fff; border-color: var(--line); }

[data-style="brutal"] input, [data-style="brutal"] select, [data-style="brutal"] textarea {
  background: var(--surface); color: var(--text);
  border: 2px solid var(--line); border-radius: 0; box-shadow: none;
}
[data-style="brutal"] input:focus, [data-style="brutal"] select:focus, [data-style="brutal"] textarea:focus {
  border-color: var(--line); box-shadow: 4px 4px 0 var(--violet);
}

[data-style="brutal"] .icon-btn, [data-style="brutal"] .picker > summary {
  background: var(--surface); border: 2px solid var(--line); border-radius: 0; box-shadow: 2px 2px 0 var(--line);
}
[data-style="brutal"] .icon-btn:active, [data-style="brutal"] .picker[open] > summary { transform: translate(2px, 2px); box-shadow: 0 0 0 var(--line); }

[data-style="brutal"] .topbar { background: var(--surface); border-bottom: 3px solid var(--line); }
[data-style="brutal"] .nav-link[aria-current="page"] { background: var(--text); color: var(--bg); border-radius: 0; }
[data-style="brutal"] .brand-mark {
  background: var(--violet); color: var(--on-accent);
  border: 2px solid var(--line); border-radius: 0; box-shadow: 2px 2px 0 var(--line);
}
[data-style="brutal"] .badge { border: 2px solid currentColor; border-radius: 0; }
[data-style="brutal"] input[type="range"] {
  background: linear-gradient(90deg, var(--violet), var(--violet)) no-repeat, var(--surface-2);
  background-size: var(--fill, 50%) 100%, 100% 100%;
  border-radius: 0;
}
[data-style="brutal"] input[type="range"]::-webkit-slider-thumb {
  background: var(--violet); border: 2px solid var(--line); border-radius: 0; box-shadow: none;
}

/* =====================================================================
   STYLE: Editorial / Paper — serif, warm, print-like. Hairline rules, a
   single refined accent, generous type. Reads like a well-set document.
   ===================================================================== */

[data-style="editorial"] {
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, Cambria, "Times New Roman", serif;
  --radius: 4px; --radius-sm: 3px; --radius-lg: 6px;

  /* Manuscript (light) — default: ink on warm white, claret accent */
  --violet: #8a2f3a; --indigo: #6e2530; --cyan: #b06a3a; --on-accent: #fdf8f2;
  --grad: var(--violet);
  --bg: #faf7f0; --surface: #fffdf8; --surface-2: #f3eee3; --elevated: #fffdf8;
  --line: #e4ddcf; --line-2: #d3c9b5;
  --text: #211c15; --muted: #5a5142; --faint: #8a8170;
  --shadow: 0 12px 30px -18px rgba(40, 30, 15, .3); --shadow-lg: 0 24px 50px -24px rgba(40, 30, 15, .35);
}

[data-style="editorial"][data-scheme="sepia"] {
  --violet: #9a5a2e; --indigo: #7d4520; --cyan: #b07a3a; --on-accent: #fbf3e4;
  --bg: #efe4cf; --surface: #f6eeda; --surface-2: #e8dabd; --elevated: #f6eeda;
  --line: #d9c8a7; --line-2: #c5ae87;
  --text: #3a2f22; --muted: #6e5d46; --faint: #94816a;
}

[data-style="editorial"][data-scheme="night"] {
  --violet: #d99a5a; --indigo: #c98a45; --cyan: #e0b87a; --on-accent: #1a130a;
  --bg: #181410; --surface: #211b15; --surface-2: #1b1610; --elevated: #261f18;
  --line: #352c22; --line-2: #463a2d;
  --text: #ece3d3; --muted: #b0a48f; --faint: #80755f;
}

:root[data-style="editorial"] .picker-schemes[data-for="editorial"] { display: flex; }

[data-style="editorial"] body { background: var(--bg); }
[data-style="editorial"] h1, [data-style="editorial"] h2, [data-style="editorial"] h3 { font-weight: 600; letter-spacing: -.01em; }
[data-style="editorial"] .eyebrow { font-variant: small-caps; letter-spacing: .1em; }
[data-style="editorial"] .page-head { border-bottom: 1px solid var(--line); padding-bottom: 18px; }

[data-style="editorial"] .card, [data-style="editorial"] .stat-card,
[data-style="editorial"] .panel, [data-style="editorial"] .picker-panel {
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
}

[data-style="editorial"] .btn {
  background: var(--surface); color: var(--text); border: 1px solid var(--line-2); font-weight: 600;
}
[data-style="editorial"] .btn:hover { transform: none; border-color: var(--violet); color: var(--violet); }
[data-style="editorial"] .btn-primary { background: var(--violet); color: var(--on-accent); border-color: var(--violet); box-shadow: none; }
[data-style="editorial"] .btn-primary:hover { background: var(--indigo); color: var(--on-accent); }

[data-style="editorial"] input, [data-style="editorial"] select, [data-style="editorial"] textarea {
  background: var(--surface); border: 1px solid var(--line-2); box-shadow: none;
}
[data-style="editorial"] input:focus, [data-style="editorial"] select:focus, [data-style="editorial"] textarea:focus {
  border-color: var(--violet); box-shadow: 0 0 0 3px color-mix(in oklab, var(--violet) 18%, transparent);
}

[data-style="editorial"] .topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
[data-style="editorial"] .brand-name { font-weight: 700; }
[data-style="editorial"] .nav-link[aria-current="page"] {
  background: transparent; color: var(--violet); box-shadow: inset 0 -2px 0 var(--violet);
}
[data-style="editorial"] .brand-mark { background: var(--violet); color: var(--on-accent); box-shadow: none; }
[data-style="editorial"] .badge { font-weight: 600; }
[data-style="editorial"] input[type="range"] {
  background: linear-gradient(90deg, var(--violet), var(--cyan)) no-repeat, var(--surface-2);
  background-size: var(--fill, 50%) 100%, 100% 100%;
}

/* =====================================================================
   STYLE: Arcade (video-game) — chunky neon HUD. Glowing panels + buttons,
   heavy uppercase type, vibrant gradients. The dark schemes glow; Pop is a
   clean candy-bright light variant.
   ===================================================================== */

[data-style="arcade"] {
  --radius: 10px; --radius-sm: 7px; --radius-lg: 16px;
  --neon: 0 0 12px;

  /* Arcade (dark) — magenta + cyan on deep space */
  --violet: #ff3df0; --indigo: #b14dff; --cyan: #25f4ee; --on-accent: #11021a;
  --grad: linear-gradient(135deg, var(--violet), var(--cyan));
  --bg: #0a0418; --surface: #160a2e; --surface-2: #1e0f3d; --elevated: #241248;
  --line: #3a1d6b; --line-2: #5a2da3;
  --text: #f4e9ff; --muted: #b69adb; --faint: #8366b0;
  --ok: #2bff9e; --warn: #ffd23b; --bad: #ff4d6d;
  --shadow: 0 18px 44px -18px #000, 0 0 30px -10px color-mix(in oklab, var(--violet) 40%, transparent);
  --shadow-lg: 0 26px 60px -22px #000, 0 0 40px -10px color-mix(in oklab, var(--violet) 45%, transparent);
}

[data-style="arcade"][data-scheme="synthwave"] {
  --violet: #ff2d95; --indigo: #b14dff; --cyan: #ff9e3d; --on-accent: #1a0316;
  --grad: linear-gradient(135deg, var(--violet), var(--cyan));
  --bg: #14071f; --surface: #1f0c33; --surface-2: #2a1145; --elevated: #321452;
  --line: #45206e; --line-2: #6a2fa3;
  --text: #ffe9f7; --muted: #d39fce; --faint: #a06f9a;
}

[data-style="arcade"][data-scheme="pop"] {
  --violet: #ff3b6b; --indigo: #3b82f6; --cyan: #ffd23b; --on-accent: #fff;
  --grad: linear-gradient(135deg, var(--violet), var(--indigo));
  --bg: #fff4f7; --surface: #ffffff; --surface-2: #fff0f4; --elevated: #ffffff;
  --line: #ffd0dd; --line-2: #ff9fb8;
  --text: #1a1626; --muted: #6a5f72; --faint: #9a8fa2;
  --neon: 0 0 0;
  --shadow: 0 14px 30px -16px rgba(255, 59, 107, .35);
  --shadow-lg: 0 24px 50px -22px rgba(255, 59, 107, .4);
}

:root[data-style="arcade"] .picker-schemes[data-for="arcade"] { display: flex; }

[data-style="arcade"] h1, [data-style="arcade"] h2,
[data-style="arcade"] .stat-value, [data-style="arcade"] .brand-name {
  text-transform: uppercase; letter-spacing: .04em; font-weight: 800;
  text-shadow: var(--neon) color-mix(in oklab, var(--violet) 60%, transparent);
}
[data-style="arcade"] .card, [data-style="arcade"] .stat-card,
[data-style="arcade"] .panel, [data-style="arcade"] .picker-panel {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow), inset 0 1px 0 color-mix(in oklab, var(--violet) 22%, transparent);
}
[data-style="arcade"] .btn {
  background: var(--surface-2); color: var(--text); border: 1px solid var(--line-2);
  font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
[data-style="arcade"] .btn:hover {
  transform: translateY(-1px); border-color: var(--violet);
  box-shadow: var(--neon) color-mix(in oklab, var(--violet) 55%, transparent);
}
[data-style="arcade"] .btn-primary {
  border-color: transparent; color: var(--on-accent); background: var(--grad);
  box-shadow: 0 0 20px -4px var(--violet), 0 8px 20px -8px var(--cyan);
}
[data-style="arcade"] .btn-primary:hover { filter: brightness(1.08); box-shadow: 0 0 28px -2px var(--violet), 0 10px 24px -8px var(--cyan); }
[data-style="arcade"] input, [data-style="arcade"] select, [data-style="arcade"] textarea {
  background: color-mix(in oklab, var(--bg) 70%, black); border: 1px solid var(--line-2);
}
[data-style="arcade"] input:focus, [data-style="arcade"] select:focus, [data-style="arcade"] textarea:focus {
  border-color: var(--violet); box-shadow: 0 0 0 3px color-mix(in oklab, var(--violet) 28%, transparent), 0 0 16px -4px var(--violet);
}
[data-style="arcade"] .topbar {
  background: color-mix(in oklab, var(--bg) 82%, black); border-bottom: 1px solid var(--line-2);
  box-shadow: 0 0 24px -8px color-mix(in oklab, var(--violet) 50%, transparent);
}
[data-style="arcade"] .nav-link[aria-current="page"] {
  background: color-mix(in oklab, var(--violet) 16%, transparent); color: var(--text);
  box-shadow: inset 0 0 0 1px var(--violet), 0 0 14px -4px var(--violet);
}
[data-style="arcade"] .brand-mark { background: var(--grad); color: var(--on-accent); box-shadow: 0 0 18px -4px var(--violet); }
[data-style="arcade"] .badge { box-shadow: 0 0 10px -3px currentColor; }
[data-style="arcade"] input[type="range"] {
  background: linear-gradient(90deg, var(--violet), var(--cyan)) no-repeat, color-mix(in oklab, var(--bg) 70%, black);
  background-size: var(--fill, 50%) 100%, 100% 100%;
  box-shadow: 0 0 10px -3px color-mix(in oklab, var(--violet) 50%, transparent);
}
[data-style="arcade"] input[type="range"]::-webkit-slider-thumb {
  background: var(--violet); border: 2px solid #fff; box-shadow: 0 0 12px var(--violet);
}