:root{
  /* Core palette */
  --ink:  #2F3143;
  --sky:  #A5BFE6;
  --paper:#F0EFEF;

  --brand: #2C6BED;
  --brand-hover: #1F57C7;

  /* Theme mapping (keeps older variable names working) */
  --bg: var(--paper);

  --card: #ffffff;
  --surface-strong: #ffffff;
  --surface-glass: #ffffff;
  --surface-soft: rgba(165,191,230,.18);
  --surface-muted: rgba(255,255,255,.92);
  --surface-faint: #ffffff;

  --border: rgba(47,49,67,.10);
  --border-soft: rgba(47,49,67,.08);
  --border-strong: rgba(47,49,67,.16);
  --border-dashed: rgba(47,49,67,.20);

  --text: var(--ink);
  --muted: rgba(47,49,67,.78);

  --accent: var(--brand);
  --accent-border: rgba(44,107,237,.35);
  --accent-ring: rgba(165,191,230,.60);
  --accent-soft: rgba(165,191,230,.18);

  --warn: #96785E;
  --bad: #684F47;

  --btn: var(--ink);
  --btnText: #ffffff;

  --font-family: Inter, system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-md: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 30px;

  --radius-lg: 18px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --radius-pill: 999px;

  --space-lg: 28px;
  --space-md: 18px;
  --space-sm: 12px;
  --space-xs: 6px;
  --space-2xs: 8px;

  --shadow-card:
    0 1px 0 rgba(47,49,67,.05),
    0 16px 38px rgba(47,49,67,.12);

  --shadow-tile:
    0 1px 0 rgba(47,49,67,.05),
    0 12px 26px rgba(47,49,67,.14);
}

*{box-sizing:border-box}

html, body{height:100%}

html{
  font-synthesis: none; /* prevents fake bold/italic */
  text-size-adjust: 100%;
}

body{
  margin:0;
  font-family: var(--font-family);
  background: var(--bg);
  color:var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  text-rendering: optimizeLegibility;
  font-kerning: normal;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;

  position:relative;
}

/* Blue hero band */
body::before{
  content:"";
  position:fixed;
  top:0; left:0; right:0;
  height:520px;
  background: var(--sky);
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  left:0; right:0;
  top:480px;
  height:160px;
  background: linear-gradient(to bottom, rgba(165,191,230,0), rgba(240,239,239,1));
  z-index:-2;
  pointer-events:none;
}

/* no hand cursor */
a, button, .tool-link, .tool, .drop, select, input[type="range"]{ cursor: default; }

header{
  max-width:none;
  margin:0;
  padding:var(--space-lg) var(--space-md) var(--space-2xs);
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:12px;
  background: rgba(255,255,255,.92);
  border-bottom:1px solid rgba(47,49,67,.08);
  backdrop-filter: blur(8px);
  position:sticky;
  top:0;
  z-index:10;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:-.01em;
  color: var(--brand);
}

.dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(44,107,237,.18);
}

main{max-width:980px;margin:0 auto;padding:14px 18px 70px;}

.grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:16px;
  align-items:start; /* key: stops sidebar stretching tall on desktop */
}
@media (max-width:900px){.grid{grid-template-columns:1fr}}

.card{
  background:var(--surface-glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:var(--space-md);
  box-shadow: var(--shadow-card);
}

h1{
  font-size:var(--font-size-xl);
  margin:0 0 10px;
  line-height:1.10;
  font-weight:800;
  letter-spacing:-.03em;
  color: var(--ink);
}

p{
  margin:0 0 10px;
  color:var(--muted);
  line-height:1.62;
  letter-spacing:-.005em;
}

strong{color:var(--ink)}

a{color: var(--brand); text-decoration:none}
a:hover{color: var(--brand-hover)}

/* legacy inline links */
a.link{
  color: var(--brand);
  border-bottom: 2px solid rgba(44,107,237,.30);
  text-decoration:none;
}
a.link:hover{border-bottom-color: rgba(44,107,237,.60)}

.controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;align-items:center}

button{
  appearance:none;
  border:1px solid var(--border);
  background: var(--surface-strong);
  color: var(--ink);
  padding:10px 14px;
  border-radius:var(--radius-sm);
  font-weight:700;
}
button.primary{
  background: var(--btn);
  border: 1px solid rgba(47,49,67,.18);
  color: var(--btnText);
}
button:disabled{opacity:.55}
button:focus-visible{
  outline:none;
  box-shadow: 0 0 0 4px rgba(165,191,230,.60);
}

.status{font-size:var(--font-size-sm);color:var(--muted)}

.big{
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
  margin-top:14px;
}

.box{
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  background:var(--surface-muted);
}

.label{font-size:var(--font-size-xs);color:var(--muted);margin-bottom:6px}
.value{font-size:var(--font-size-lg);font-weight:800;color:var(--ink)}
.sub{font-size:var(--font-size-md);color:var(--muted)}

.smalltitle{
  font-weight:700;
  margin:0 0 10px;
  color: rgba(47,49,67,.88);
  letter-spacing:-.01em;
}

.list{margin:10px 0 0; padding-left:18px; color:var(--muted)}

footer{
  max-width:980px;
  margin:0 auto;
  padding:0 18px 30px;
  color:var(--muted);
  font-size:var(--font-size-xs)
}

/* Dropzone */
.drop{
  border:1px dashed var(--border-dashed);
  border-radius:16px;
  padding:16px;
  background:var(--surface-faint);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.drop.dragover{
  border-color: var(--accent-border);
  box-shadow:none;
  background:var(--accent-soft);
}

.drop .left{display:flex;flex-direction:column;gap:4px}
.drop .title{font-weight:800;color:var(--ink)}
.drop .hint{font-size:var(--font-size-sm);color:var(--muted)}
input[type="file"]{display:none}

/* Settings row */
.settings{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
@media (max-width:640px){.settings{grid-template-columns:1fr}}

/* SELECT keeps padding */
select{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--surface-strong);
  color:var(--ink);
  padding:10px 12px;
  font-weight:700;
  outline:none;
}

/* RANGE FIX: NO horizontal padding */
input[type="range"]{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--surface-strong);
  color:var(--ink);
  padding:10px 0;            /* <-- this fixes “100% but thumb not at end” */
  font-weight:700;
  outline:none;
  margin:0;                  /* helps some browsers */
}

select:focus-visible,
input[type="range"]:focus-visible{
  box-shadow: 0 0 0 4px rgba(165,191,230,.60);
}

.rangeWrap{display:flex;gap:10px;align-items:center}

.rangeVal{
  min-width:68px;
  text-align:right;
  font-weight:800;
  color:var(--ink);
}

/* File list */
.filelist{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:10px;
}

.row{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  border:1px solid var(--border);
  border-radius:14px;
  padding:10px 12px;
  background:var(--surface-faint);
}

.row .meta{
  display:flex;
  flex-direction:column;
  gap:2px;
  overflow:hidden;
  min-width:0;
}

.row .name{
  font-weight:800;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  color:var(--ink);
}

.row .mini{
  font-size:var(--font-size-xs);
  color:var(--muted);
}

.badge{
  font-size:var(--font-size-xs);
  font-weight:800;
  padding:6px 10px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border);
  background:var(--surface-soft);
  color:var(--muted);
  white-space:nowrap;
}

.ok{color:var(--accent)}
.warn{color:var(--warn)}
.bad{color:var(--bad)}

/* Hub cards */
.tools{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:12px;
}
@media (max-width:760px){.tools{grid-template-columns:1fr}}

.tool-link{
  display:block;
  color:inherit;
  text-decoration:none;
}

.tool{
  border:1px solid rgba(47,49,67,.14);
  border-radius:16px;
  padding:14px;
  background:#fff;
  box-shadow: var(--shadow-tile);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.tool:hover{
  transform: translateY(-2px);
  border-color: rgba(47,49,67,.22);
  box-shadow:
    0 2px 0 rgba(47,49,67,.05),
    0 18px 34px rgba(47,49,67,.16);
}

.tool:active{
  transform: translateY(0px);
  box-shadow:
    0 1px 0 rgba(47,49,67,.05),
    0 12px 24px rgba(47,49,67,.14);
}

.tool .t{
  font-weight:700;
  margin:0 0 6px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  color: var(--brand);
  letter-spacing:-.01em;
}
.tool .t::after{
  content:"→";
  font-weight:800;
  opacity:.9;
  color: var(--brand);
}

.tool .d{
  margin:0;
  color:var(--muted);
  font-size:var(--font-size-md);
  line-height:1.55;
}

.tool-link:focus-visible{ outline:none; }
.tool-link:focus-visible .tool{
  box-shadow:
    0 0 0 4px rgba(255,255,255,.70),
    0 0 0 8px rgba(165,191,230,.60),
    0 18px 34px rgba(47,49,67,.16);
  border-color: rgba(47,49,67,.22);
}

/* Keycaps */
kbd{
  font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  font-size:.95em;
  padding:2px 6px;
  border:1px solid rgba(47,49,67,.12);
  border-radius:8px;
  background: rgba(255,255,255,.78);
  color:var(--ink);
  white-space:nowrap;
}

/* Trust grid (homepage sidebar) */
.trust-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:10px;
  margin-top:10px;
}

.trust-card{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:12px 12px;
  border:1px solid rgba(47,49,67,.12);
  border-radius:16px;
  background:#fff;
  color:var(--ink);
  font-size:var(--font-size-md);
  line-height:1.25;
}

.trust-card .mark{
  width:22px;
  height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background: rgba(165,191,230,.40);
  border:1px solid rgba(165,191,230,.80);
  color: var(--ink);
  font-weight:800;
  flex:0 0 22px;
  margin-top:1px;
}

.trust-note{
  margin-top:10px;
  font-size:var(--font-size-sm);
  color:var(--muted);
}

@media (max-width:520px){
  .trust-grid{grid-template-columns:1fr}
}