/* ==========================================================================
   OBSERVATORIO DE TRANSFORMACIÓN DIGITAL — v1
   Design tokens & components (versión reducida: KPIs + 2 tarjetas)
   ========================================================================== */

:root{
  /* ---- Color: ink & surface ---- */
  --ink-900:#0E1B2C;
  --ink-800:#16294B;
  --ink-700:#233A5E;
  --ink-500:#5B6B85;
  --ink-400:#7C8AA3;
  --mist-100:#F4F7FB;
  --mist-200:#EAF0F7;
  --surface:#FFFFFF;
  --border:#E2E8F1;
  --border-soft:#EDF1F7;

  /* ---- Color: signal accent (primary) ---- */
  --signal-900:#075454;
  --signal-700:#0B7A79;
  --signal-500:#0EA5A0;
  --signal-400:#3DC9C2;
  --signal-100:#DFF6F3;

  /* ---- Color: secondary accents ---- */
  --amber-500:#F2994A;
  --amber-100:#FDECDA;
  --indigo-500:#3B5BDB;
  --indigo-100:#E4E9FC;
  --violet-500:#7C5CFC;
  --rose-500:#E64980;

  /* ---- Semantic ---- */
  --success:#0B9F6E;
  --warning:#F2994A;
  --danger:#E5484D;

  /* ---- Typography ---- */
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* ---- Elevation ---- */
  --shadow-sm: 0 1px 2px rgba(14,27,44,0.05), 0 1px 1px rgba(14,27,44,0.03);
  --shadow-md: 0 6px 16px -4px rgba(14,27,44,0.10), 0 2px 6px -2px rgba(14,27,44,0.06);
  --shadow-lg: 0 20px 40px -12px rgba(14,27,44,0.16), 0 8px 16px -8px rgba(14,27,44,0.08);

  /* ---- Radius ---- */
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;

  /* ---- Motion ---- */
  --ease: cubic-bezier(.22,.61,.36,1);
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font-body);
  background:var(--mist-100);
  color:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  position:relative;
  min-height:100vh;
}

h1,h2,h3{ margin:0; font-family:var(--font-body); letter-spacing:-0.01em; }

::selection{ background:var(--signal-100); color:var(--signal-900); }

::-webkit-scrollbar{ height:8px; width:8px; }
::-webkit-scrollbar-track{ background:transparent; }
::-webkit-scrollbar-thumb{ background:#C7D2E0; border-radius:8px; }
::-webkit-scrollbar-thumb:hover{ background:#AEBBCE; }

/* ==========================================================================
   Ambient radar backdrop (signature element, very restrained)
   ========================================================================== */
.radar-backdrop{
  position:fixed; inset:0 0 auto 0; height:420px; z-index:0;
  overflow:hidden; pointer-events:none;
  background:radial-gradient(120% 100% at 15% 0%, #123055 0%, #0E1B2C 55%, #0E1B2C 100%);
}
.radar-rings{
  position:absolute; right:-140px; top:-140px; width:640px; height:640px;
  border-radius:50%;
  background:
    repeating-radial-gradient(circle at center,
      rgba(62,201,194,0.14) 0px, rgba(62,201,194,0.14) 1px,
      transparent 1px, transparent 64px);
  opacity:0.55;
}
.radar-sweep{
  position:absolute; right:180px; top:80px; width:480px; height:480px; border-radius:50%;
  background:conic-gradient(from 0deg, rgba(62,201,194,0.35), rgba(62,201,194,0) 26%);
  animation:sweep 7s linear infinite;
  filter:blur(1px);
  opacity:0.7;
}
@keyframes sweep{ to{ transform:rotate(360deg); } }

/* ==========================================================================
   Toast
   ========================================================================== */
.toast{
  position:fixed; top:18px; left:50%; transform:translateX(-50%) translateY(-140%);
  background:var(--ink-900); color:#fff; padding:10px 18px; border-radius:var(--r-pill);
  font-size:13px; font-weight:500; z-index:1000; box-shadow:var(--shadow-lg);
  transition:transform .4s var(--ease);
}
.toast.show{ transform:translateX(-50%) translateY(0); }

/* ==========================================================================
   Header
   ========================================================================== */
.app-header{
  position:relative; z-index:1;
  padding:40px clamp(20px,4vw,56px) 28px;
  color:#fff;
}
.header-inner{ max-width:1200px; margin:0 auto; }

.brand-row{ display:flex; align-items:center; gap:20px; margin-bottom:28px; }

.brand-mark{ flex:0 0 auto; }
.radar-icon{ width:52px; height:52px; }
.radar-icon .ring{ fill:none; stroke:rgba(62,201,194,0.55); stroke-width:1.2; }
.radar-icon .ring-3{ stroke:rgba(62,201,194,0.85); }
.radar-icon .sweep-needle{ stroke:var(--signal-400); stroke-width:1.6; transform-origin:24px 24px; animation:needle 4s linear infinite; }
.radar-icon .core-dot{ fill:var(--signal-400); }
@keyframes needle{ to{ transform:rotate(360deg); } }

.brand-text{ flex:1 1 auto; min-width:0; }
.eyebrow{
  margin:0 0 6px; font-size:12px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--signal-400);
}
.brand-text h1{ font-size:clamp(24px,2.6vw,34px); font-weight:800; color:#fff; }
.subtitle{ margin:6px 0 0; font-size:15px; color:rgba(255,255,255,0.72); font-weight:400; }

.header-meta{
  flex:0 0 auto; display:flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:12.5px; color:rgba(255,255,255,0.65);
  background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.12);
  padding:8px 14px; border-radius:var(--r-pill);
}
.header-meta .material-symbols-rounded{ font-size:16px; }

/* Filters */
.filter-bar{
  display:flex; flex-wrap:wrap; align-items:end; gap:14px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.14);
  backdrop-filter:blur(14px);
  border-radius:var(--r-lg);
  padding:18px 20px;
}
.filter-field{ display:flex; flex-direction:column; gap:6px; min-width:170px; }
.filter-field label{
  font-size:11px; font-weight:600; letter-spacing:0.04em; text-transform:uppercase;
  color:rgba(255,255,255,0.55);
}
.filter-field select{
  appearance:none; -webkit-appearance:none;
  background:rgba(255,255,255,0.94) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23233A5E' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>") no-repeat right 10px center;
  background-size:16px;
  color:var(--ink-900);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  padding:9px 32px 9px 12px;
  font-family:var(--font-body); font-size:13.5px; font-weight:500;
  min-width:170px; cursor:pointer;
  transition:box-shadow .2s var(--ease), transform .15s var(--ease);
}
.filter-field select:hover{ box-shadow:0 0 0 3px rgba(62,201,194,0.25); }
.filter-field select:focus-visible{ outline:2px solid var(--signal-400); outline-offset:2px; }

.btn-reset{
  display:flex; align-items:center; gap:6px;
  background:transparent; border:1px solid rgba(255,255,255,0.3); color:#fff;
  padding:9px 16px; border-radius:var(--r-pill); font-family:var(--font-body);
  font-size:13px; font-weight:600; cursor:pointer;
  transition:background .2s var(--ease), transform .15s var(--ease);
}
.btn-reset:hover{ background:rgba(255,255,255,0.14); transform:translateY(-1px); }
.btn-reset .material-symbols-rounded{ font-size:17px; }

.filter-summary{
  margin:12px 2px 0; font-size:12.5px; color:rgba(255,255,255,0.55); font-family:var(--font-mono);
}

/* ==========================================================================
   Layout grid
   ========================================================================== */
.dashboard{
  position:relative; z-index:1;
  max-width:1200px; margin:-8px auto 0; padding:0 clamp(20px,4vw,56px) 60px;
  display:flex; flex-direction:column; gap:22px;
}

.row{ display:grid; gap:22px; }
.row-split-6-6{ grid-template-columns:1fr 1fr; }

@media (max-width:900px){
  .row-split-6-6{ grid-template-columns:1fr; }
}

/* ==========================================================================
   Card base
   ========================================================================== */
.card{
  background:var(--surface);
  border:1px solid var(--border-soft);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  padding:24px 26px 26px;
  transition:box-shadow .25s var(--ease), transform .25s var(--ease);
}
.card:hover{ box-shadow:var(--shadow-md); }

.card-head{ display:flex; align-items:flex-start; justify-content:space-between; gap:14px; margin-bottom:18px; flex-wrap:wrap; }
.card-head h2{ font-size:17px; font-weight:700; color:var(--ink-900); }
.card-subtitle{ margin:5px 0 0; font-size:13px; color:var(--ink-500); font-weight:400; }

/* ==========================================================================
   Row 1 — KPIs
   ========================================================================== */
.kpi-grid{
  display:grid; grid-template-columns:repeat(6, 1fr); gap:16px;
}
@media (max-width:1100px){ .kpi-grid{ grid-template-columns:repeat(3, 1fr); } }
@media (max-width:640px){ .kpi-grid{ grid-template-columns:repeat(2, 1fr); } }

.kpi-card{
  position:relative; overflow:hidden;
  background:var(--surface); border:1px solid var(--border-soft); border-radius:var(--r-md);
  padding:20px 18px 18px; box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.kpi-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-md); }
.kpi-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--kpi-color, var(--signal-500));
}
.kpi-icon{
  width:36px; height:36px; border-radius:11px; display:flex; align-items:center; justify-content:center;
  background:var(--kpi-bg, var(--signal-100)); color:var(--kpi-color, var(--signal-700));
  margin-bottom:14px;
}
.kpi-icon .material-symbols-rounded{ font-size:20px; }
.kpi-value{
  font-family:var(--font-mono); font-size:28px; font-weight:600; color:var(--ink-900); line-height:1;
  display:flex; align-items:baseline; gap:2px;
}
.kpi-value .kpi-suffix{ font-size:15px; color:var(--ink-400); font-weight:500; }
.kpi-label{ margin:9px 0 4px; font-size:13.5px; font-weight:600; color:var(--ink-800); }
.kpi-note{ font-size:12px; color:var(--ink-400); }
.kpi-trend{ position:absolute; top:18px; right:16px; display:flex; align-items:center; font-size:12px; font-weight:700; }
.kpi-trend .material-symbols-rounded{ font-size:16px; }
.kpi-trend.up{ color:var(--success); }
.kpi-trend.down{ color:var(--danger); }
.kpi-trend.flat{ color:var(--ink-400); }

/* ==========================================================================
   Dimension comparison chart
   ========================================================================== */
.chart-wrap{ position:relative; width:100%; }
.chart-wrap-dimension{ height:360px; }
.chart-wrap-distribution{ height:300px; }

.legend-chip-row{ display:flex; gap:8px; flex-wrap:wrap; }
.legend-chip{
  display:flex; align-items:center; gap:6px; font-size:12px; font-weight:600; color:var(--ink-700);
  background:var(--mist-200); padding:5px 10px; border-radius:var(--r-pill);
}
.legend-chip .dot{ width:9px; height:9px; border-radius:50%; }

/* ==========================================================================
   Distribution stats footer
   ========================================================================== */
.distribution-stats{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:12px; margin-top:18px;
  padding-top:16px; border-top:1px solid var(--border-soft);
}
.dist-stat{ text-align:center; }
.dist-stat-value{ font-family:var(--font-mono); font-size:20px; font-weight:600; color:var(--ink-900); }
.dist-stat-label{ font-size:11.5px; color:var(--ink-400); font-weight:500; margin-top:2px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.app-footer{
  text-align:center; padding:26px 0 4px; font-size:12px; color:var(--ink-400);
}

/* ==========================================================================
   Fade-in on load
   ========================================================================== */
.row{ animation:rise .5s var(--ease) both; }
.row-kpis{ animation-delay:.02s; }
@keyframes rise{
  from{ opacity:0; transform:translateY(10px); }
  to{ opacity:1; transform:translateY(0); }
}