/* ============================================================
   vExcel — landing. Estilos a medida sobre Tailwind (Play CDN).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --ink: #0a0b0d;
  --panel: #101316;
  --panel-2: #15191e;
  --line: #20262e;
  --accent: #34d399;
  --accent-2: #a3e635;
  --muted: #8b949e;
  --text: #e8edf2;
}

* { -webkit-font-smoothing: antialiased; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  background: var(--ink);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  /* Rejilla de hoja de cálculo + halos de color, muy sutiles */
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(52, 211, 153, 0.10), transparent 60%),
    radial-gradient(700px 500px at -5% 10%, rgba(163, 230, 53, 0.06), transparent 55%),
    linear-gradient(to right, rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px, 28px 28px;
}

.font-display { font-family: 'Fraunces', serif; }
.font-mono { font-family: 'IBM Plex Mono', monospace; }

/* Etiqueta tipo "celda / kicker" */
.kicker {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Líneas decorativas de borde */
.hairline { border-color: var(--line); }

/* ---- Botones ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; border-radius: 0.6rem;
  padding: 0.7rem 1.15rem; transition: all .2s ease;
  font-size: 0.92rem;
}
.btn-primary {
  background: var(--accent); color: #04130c;
  box-shadow: 0 0 0 1px rgba(52,211,153,.4), 0 10px 30px -12px rgba(52,211,153,.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(52,211,153,.6), 0 16px 40px -12px rgba(52,211,153,.85); }
.btn-ghost { color: var(--text); border: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Tarjeta de cristal ---- */
.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

/* ---- Editor de código ---- */
.editor { background: #0c0f12; border: 1px solid var(--line); border-radius: 0.9rem; overflow: hidden; }
.editor-bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 0.9rem; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.editor pre {
  margin: 0; padding: 1.1rem 1.2rem; overflow-x: auto;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; line-height: 1.65;
  tab-size: 2;
}
.editor pre::-webkit-scrollbar { height: 8px; }
.editor pre::-webkit-scrollbar-thumb { background: #2a323b; border-radius: 8px; }

/* Tokens de sintaxis */
.tok-c { color: #5b6673; font-style: italic; }
.tok-s { color: #a3e635; }
.tok-k { color: #34d399; }
.tok-n { color: #f0a868; }
.tok-p { color: #7dd3fc; }

/* ---- Inicio rápido ---- */
.qs {
  background: #0c0f12; border: 1px solid var(--line); border-radius: 0.6rem;
  padding: 0.85rem 0.95rem; margin: 0; overflow-x: auto;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; line-height: 1.6;
  color: #cdd6e0; white-space: pre;
}
.qs code { color: inherit; background: none; padding: 0; }

/* ---- Mini hoja de cálculo (hero) ---- */
.sheet { border: 1px solid var(--line); border-radius: 0.6rem; overflow: hidden; font-family: 'IBM Plex Mono', monospace; }
.sheet .hd { background: #0f1318; color: var(--muted); font-size: 0.7rem; }
.sheet .cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 0.45rem 0.6rem; font-size: 0.78rem; }
.sheet .sel { outline: 2px solid var(--accent); outline-offset: -2px; background: rgba(52,211,153,0.08); }

/* ---- Tablas API ---- */
.api-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
.api-table th {
  text-align: left; font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
  padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--line);
}
.api-table td { padding: 0.7rem 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.05); vertical-align: top; }
.api-table tr:last-child td { border-bottom: none; }
.api-table code, .inline-code {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem;
  background: rgba(52,211,153,0.10); color: #6ee7b7;
  padding: 0.1rem 0.4rem; border-radius: 0.35rem; white-space: nowrap;
}
.api-table .opt { color: var(--muted); }
.api-table .req { color: #f0a868; font-size: 0.7rem; font-family: 'IBM Plex Mono', monospace; }

/* ---- Menú lateral de la API ---- */
#api-nav { border-left: 1px solid var(--line); max-height: calc(100vh - 8rem); overflow-y: auto; }
.api-link {
  display: block; padding: 0.4rem 0.9rem; margin-left: -1px;
  font-size: 0.84rem; color: var(--muted); border-left: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.api-link:hover { color: var(--text); }
.api-link.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
#api-nav::-webkit-scrollbar { width: 6px; }
#api-nav::-webkit-scrollbar-thumb { background: #232b34; border-radius: 6px; }

/* Desfase de anclaje para títulos de la API (nav fijo) */
.api-block { scroll-margin-top: 90px; }

/* ---- Reveal al hacer scroll ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- Toast ---- */
#toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(120%);
  background: var(--panel-2); border: 1px solid var(--accent); color: var(--text);
  padding: 0.7rem 1.1rem; border-radius: 0.7rem; font-size: 0.88rem; z-index: 90;
  transition: transform .35s cubic-bezier(.2,.8,.2,1); box-shadow: 0 20px 50px -20px rgba(0,0,0,.8);
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.err { border-color: #f87171; }

/* Selección de texto */
::selection { background: rgba(52,211,153,0.3); color: #fff; }

/* Scrollbar global */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: #232b34; border-radius: 10px; border: 2px solid var(--ink); }