/* =========================================================================
   VILTRUM TERMINAL — design system
   Dark terminal aesthetic · neon crimson · monospace
   Reverse-engineered from source screenshots, applied to neutral surfaces.
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,500;0,700;0,800;1,400&display=swap');

:root {
  /* ---- surface ---- */
  --bg:            #0b090c;
  --bg-grad-top:   #120d12;
  --card:          #141016;
  --card-2:        #1a151c;
  --inset:         #0e0b0f;
  --line:          rgba(255, 255, 255, 0.07);
  --line-strong:   rgba(255, 255, 255, 0.13);

  /* ---- text ---- */
  --fg:            #d8d4e0;
  --fg-bright:     #f3f0f7;
  --muted:         #7a7588;
  --faint:         #565162;

  /* ---- accents ---- */
  --crimson:       #ff1a4b;
  --crimson-soft:  #ff5277;
  --crimson-deep:  #b50f33;
  --crimson-tint:  rgba(255, 26, 75, 0.10);
  --crimson-tint2: rgba(255, 26, 75, 0.18);

  --green:         #22ff6a;
  --green-deep:    #0f7a35;
  --green-tint:    rgba(34, 255, 106, 0.09);

  --amber:         #ff8a1e;
  --amber-tint:    rgba(255, 138, 30, 0.10);

  --violet:        #b14dff;
  --violet-tint:   rgba(177, 77, 255, 0.12);

  /* ---- type ---- */
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* ---- geometry ---- */
  --r-sm: 4px;
  --r:    7px;
  --r-lg: 10px;

  /* ---- glows ---- */
  --glow-crimson: 0 0 18px rgba(255, 26, 75, 0.55);
  --glow-green:   0 0 16px rgba(34, 255, 106, 0.45);
  --glow-amber:   0 0 16px rgba(255, 138, 30, 0.45);
  --glow-violet:  0 0 16px rgba(177, 77, 255, 0.5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(1200px 480px at 50% -8%, var(--bg-grad-top), transparent 70%),
    var(--bg);
  min-height: 100vh;
}

::selection { background: var(--crimson-tint2); color: var(--fg-bright); }

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--crimson-deep); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--crimson); }

/* =========================================================================
   TOP NAV
   ========================================================================= */
.vt-nav {
  display: flex;
  align-items: stretch;
  height: 52px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 8, 11, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.vt-logo {
  display: flex;
  align-items: center;
  padding: 0 28px;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--crimson);
  text-shadow: var(--glow-crimson);
  font-size: 15px;
  white-space: nowrap;
}
.vt-tabs {
  display: flex;
  align-items: stretch;
  gap: 0;
}
.vt-tab {
  display: flex;
  align-items: center;
  padding: 0 22px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  transition: color 0.14s ease, background 0.14s ease;
  font-family: var(--mono);
}
.vt-tab:hover { color: var(--fg); }
.vt-tab[aria-current="true"],
.vt-tab.is-active {
  color: var(--crimson);
  background: linear-gradient(180deg, var(--crimson-tint), transparent 80%);
}
.vt-tab[aria-current="true"]::after,
.vt-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--crimson);
  box-shadow: var(--glow-crimson);
}

/* =========================================================================
   LAYOUT
   ========================================================================= */
.vt-shell { padding: 26px 30px 80px; max-width: 1560px; margin: 0 auto; }
.vt-grid { display: grid; gap: 20px; }
.vt-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.vt-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.vt-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.vt-grid.side   { grid-template-columns: 300px 1fr; }
@media (max-width: 1100px) {
  .vt-grid.cols-4 { grid-template-columns: 1fr 1fr; }
  .vt-grid.cols-3 { grid-template-columns: 1fr; }
}

/* =========================================================================
   CARD
   ========================================================================= */
.vt-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 28px;
}
.vt-card.tight { padding: 20px 22px; }
.vt-eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--crimson);
  text-transform: uppercase;
  margin: 0 0 20px;
}
.vt-eyebrow.green  { color: var(--green); }
.vt-eyebrow.amber  { color: var(--amber); }
.vt-eyebrow.violet { color: var(--violet); }

/* key/value rows */
.vt-kv { display: flex; justify-content: space-between; align-items: baseline; padding: 7px 0; }
.vt-kv .k { color: var(--muted); }
.vt-kv .v { font-weight: 700; color: var(--fg-bright); }
.vt-kv .v.crimson { color: var(--crimson); }
.vt-kv .v.green   { color: var(--green); }
.vt-kv .v.amber   { color: var(--amber); }
.vt-kv .v.violet  { color: var(--violet); }

/* =========================================================================
   STAT CARD
   ========================================================================= */
.vt-stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 2px solid var(--crimson);
  border-radius: var(--r);
  padding: 18px 20px 20px;
  position: relative;
  overflow: hidden;
}
.vt-stat .label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}
.vt-stat .num {
  font-size: 38px;
  font-weight: 700;
  margin-top: 10px;
  letter-spacing: 0.01em;
  color: var(--crimson);
  text-shadow: var(--glow-crimson);
  line-height: 1;
}
.vt-stat.green  { border-top-color: var(--green); }
.vt-stat.green  .num { color: var(--green);  text-shadow: var(--glow-green); }
.vt-stat.amber  { border-top-color: var(--amber); }
.vt-stat.amber  .num { color: var(--amber);  text-shadow: var(--glow-amber); }
.vt-stat.violet { border-top-color: var(--violet); }
.vt-stat.violet .num { color: var(--violet); text-shadow: var(--glow-violet); }

/* =========================================================================
   BUTTONS
   ========================================================================= */
.vt-btn {
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: 0.1em;
  font-weight: 700;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: var(--r);
  border: 1px solid var(--crimson);
  background: var(--crimson-tint);
  color: var(--crimson);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}
.vt-btn:hover { background: var(--crimson-tint2); box-shadow: var(--glow-crimson); }
.vt-btn.block { display: block; width: 100%; }

.vt-btn.go { border-color: var(--green); background: var(--green-tint); color: var(--green); }
.vt-btn.go:hover { box-shadow: var(--glow-green); background: rgba(34,255,106,0.16); }

.vt-btn.danger { border-color: var(--crimson-deep); background: rgba(181,15,51,0.16); color: var(--crimson-soft); }

.vt-btn.ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
}
.vt-btn.ghost:hover { color: var(--fg); border-color: var(--fg); box-shadow: none; }

/* =========================================================================
   FORM CONTROLS
   ========================================================================= */
.vt-field { margin-bottom: 18px; }
.vt-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}
.vt-label .hint { color: var(--faint); }

.vt-input, .vt-select {
  width: 100%;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--fg-bright);
  background: var(--inset);
  border: none;
  border-bottom: 1px solid var(--crimson);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  padding: 10px 12px;
  outline: none;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.vt-input::placeholder { color: var(--faint); }
.vt-input:focus, .vt-select:focus { box-shadow: 0 1px 0 0 var(--crimson), var(--glow-crimson); }

.vt-input.boxed, .vt-select.boxed {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
}
.vt-input.boxed:focus { border-color: var(--crimson); box-shadow: var(--glow-crimson); }

.vt-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23ff1a4b' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.vt-select option { background: var(--card-2); color: var(--fg); }

/* checkbox / radio */
.vt-check { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.vt-check input { position: absolute; opacity: 0; width: 0; height: 0; }
.vt-check .box {
  width: 17px; height: 17px;
  border: 1.5px solid var(--crimson);
  border-radius: 3px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.12s ease;
}
.vt-check input:checked + .box { background: var(--crimson); box-shadow: var(--glow-crimson); }
.vt-check input:checked + .box::after { content: "✓"; color: #0b090c; font-size: 12px; font-weight: 800; }
.vt-check .radio { border-radius: 50%; }
.vt-check input:checked + .radio { background: var(--crimson); }
.vt-check input:checked + .radio::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #0b090c; }

/* tag chips for data categories */
.vt-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em;
}
.vt-tag.t-a { color: var(--crimson); }
.vt-tag.t-b { color: var(--amber); }
.vt-tag.t-c { color: var(--violet); }

/* =========================================================================
   TABLE
   ========================================================================= */
.vt-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.vt-table thead th {
  text-align: left;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--crimson);
  text-transform: uppercase;
  font-weight: 700;
  padding: 0 14px 12px;
  border-bottom: 1.5px solid var(--crimson);
}
.vt-table thead th.num, .vt-table td.num { text-align: right; }
.vt-table tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
}
.vt-table tbody tr:hover td { background: rgba(255,255,255,0.02); }
.vt-table .dim { color: var(--muted); }

/* =========================================================================
   CHARTS
   ========================================================================= */
/* horizontal bar */
.vt-bars { display: flex; flex-direction: column; gap: 12px; }
.vt-bar-row { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 14px; }
.vt-bar-row .lbl { color: var(--muted); font-size: 13px; }
.vt-bar-track { height: 22px; background: var(--inset); border-radius: 3px; overflow: hidden; }
.vt-bar-fill {
  display: block;
  height: 100%;
  background: var(--crimson);
  box-shadow: 0 0 12px rgba(255,26,75,0.45) inset, var(--glow-crimson);
  border-radius: 3px;
}
.vt-bar-row .val { color: var(--crimson); font-weight: 700; font-size: 13px; min-width: 64px; text-align: right; }

/* donut */
.vt-donut-wrap { display: flex; align-items: center; gap: 26px; }
.vt-donut {
  width: 168px; height: 168px; border-radius: 50%;
  position: relative;
  filter: drop-shadow(0 0 14px rgba(255,26,75,0.4));
  flex-shrink: 0;
}
.vt-donut::after {
  content: "";
  position: absolute; inset: 26px;
  background: var(--card);
  border-radius: 50%;
}
.vt-donut .center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 2;
}
.vt-donut .center .cap { font-size: 11px; letter-spacing: 0.14em; color: var(--muted); }
.vt-donut .center .big { font-size: 22px; font-weight: 700; color: var(--fg-bright); }
.vt-legend { display: flex; flex-direction: column; gap: 11px; }
.vt-legend .row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.vt-legend .dot { width: 11px; height: 11px; border-radius: 2px; flex-shrink: 0; }
.vt-legend .lname { color: var(--fg); }
.vt-legend .lval { margin-left: auto; font-weight: 700; }

/* =========================================================================
   PROGRESS
   ========================================================================= */
.vt-progress-track { height: 20px; background: var(--inset); border-radius: 3px; overflow: hidden; border: 1px solid var(--line); }
.vt-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--crimson-deep), var(--crimson), var(--crimson-soft));
  box-shadow: var(--glow-crimson);
  transition: width 0.4s ease;
}
.vt-progress-pct { text-align: center; color: var(--crimson); font-weight: 700; margin-top: 8px; font-size: 13px; }

/* =========================================================================
   MISC
   ========================================================================= */
.vt-banner {
  border: 1px solid var(--crimson);
  border-radius: var(--r);
  padding: 13px 20px;
  text-align: center;
  letter-spacing: 0.18em;
  color: var(--crimson-soft);
  font-size: 14px;
  box-shadow: var(--glow-crimson), inset 0 0 24px rgba(255,26,75,0.06);
  position: relative;
}
.vt-strip {
  background: var(--inset);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 14px 20px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.dropzone {
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--r);
  padding: 30px;
  text-align: center;
  color: var(--muted);
}
.dropzone .big { color: var(--fg); }

/* status bar */
.vt-statusbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 34px;
  display: flex; align-items: center;
  border-top: 1px solid var(--line);
  background: rgba(10,8,11,0.92);
  backdrop-filter: blur(8px);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0 22px;
  z-index: 40;
}
.vt-statusbar .left  { flex: 1; }
.vt-statusbar .center{ flex: 1; text-align: center; }
.vt-statusbar .right { flex: 1; text-align: right; }
.vt-statusbar .online { color: var(--green); }
.vt-statusbar .dot { color: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.35;} }

.text-crimson { color: var(--crimson); }
.text-green   { color: var(--green); }
.text-amber   { color: var(--amber); }
.text-violet  { color: var(--violet); }
.text-muted   { color: var(--muted); }
.check { color: var(--green); }