/* ============================================================
   Weblive-Lang School — custom.css
   Diseño Premium (minimalismo SaaS) · acento teal de marca.
   Complementa a Bootstrap 5.3 en el back-office.
   ============================================================ */

:root {
  --pc-accent: #0d9488;          /* teal-600: confianza + crecimiento educativo */
  --pc-accent-dark: #0f766e;
  --pc-accent-soft: #e6f5f3;
  --pc-bg: #f3f5f7;
  --pc-surface: #ffffff;
  --pc-text: #1f2235;
  --pc-text-muted: #6b7280;
  --pc-border: #e5e7eb;
  --pc-radius-card: 18px;
  --pc-radius: 12px;
  --pc-shadow: 0 24px 60px -20px rgba(15, 118, 110, .28);
  --pc-focus: 0 0 0 4px rgba(13, 148, 136, .14);
  --pc-sidebar: #0b1220;         /* navy oscuro (guiño a la presentación) */
  --pc-sidebar-soft: #16233b;
}

/* ---------- Pantalla split-screen (acceso) ---------- */
.pc-login-body {
  margin: 0; min-height: 100vh; background: var(--pc-bg);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.pc-login-card {
  width: 100%; max-width: 920px; background: var(--pc-surface);
  border-radius: var(--pc-radius-card); overflow: hidden;
  display: flex; box-shadow: var(--pc-shadow); min-height: 540px;
}
.pc-login-brand {
  flex: 0 0 44%; background: var(--pc-accent); color: #fff;
  padding: 44px 38px; display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
}
.pc-login-brand::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 100% 0%, rgba(255,255,255,.10), transparent 60%);
  pointer-events: none;
}
.pc-brand-top { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
.pc-brand-chip {
  width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center; font-size: 21px; flex-shrink: 0;
}
.pc-brand-name { font-size: 17px; font-weight: 600; letter-spacing: .2px; }
.pc-login-brand h1 { color: #fff; font-size: 27px; line-height: 1.25; font-weight: 600; margin: 0 0 12px; position: relative; z-index: 1; }
.pc-login-brand p.lead { color: rgba(255,255,255,.85); font-size: 15px; line-height: 1.6; margin: 0 0 24px; position: relative; z-index: 1; }
.pc-points { display: flex; flex-direction: column; gap: 14px; position: relative; z-index: 1; }
.pc-points span { display: flex; align-items: center; gap: 12px; font-size: 14px; color: rgba(255,255,255,.94); }
.pc-points i { font-size: 19px; opacity: .95; }
.pc-foot { font-size: 12.5px; color: rgba(255,255,255,.7); position: relative; z-index: 1; }

.pc-login-form { flex: 1; padding: 48px 44px; display: flex; flex-direction: column; justify-content: center; }
.pc-login-form h2 { font-size: 22px; font-weight: 600; margin: 0 0 4px; color: var(--pc-text); }
.pc-login-form .sub { font-size: 14px; color: var(--pc-text-muted); margin: 0 0 24px; }

/* ---------- Inputs con icono ---------- */
.pc-field label, .pc-login-form label { font-size: 13px; color: #4b5563; font-weight: 500; margin: 0 0 6px; display: block; }
.pc-input {
  display: flex; align-items: center; gap: 10px; border: 1.5px solid var(--pc-border);
  border-radius: var(--pc-radius); padding: 0 14px; height: 48px; margin: 0 0 18px;
  background: var(--pc-surface); transition: border-color .15s, box-shadow .15s;
}
.pc-input:focus-within { border-color: var(--pc-accent); box-shadow: var(--pc-focus); }
.pc-input i.lead-ico { font-size: 18px; color: #9ca3af; }
.pc-input:focus-within i.lead-ico { color: var(--pc-accent); }
.pc-input input { flex: 1; border: 0; outline: 0; background: transparent; font-size: 15px; color: var(--pc-text); height: 100%; }
.pc-input input:-webkit-autofill,
.pc-input input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #fff inset; box-shadow: 0 0 0 1000px #fff inset;
  -webkit-text-fill-color: var(--pc-text); transition: background-color 9999s ease-in-out 0s;
}
.pc-eye { background: 0; border: 0; color: #9ca3af; cursor: pointer; font-size: 18px; display: flex; padding: 4px; }
.pc-eye:hover { color: var(--pc-accent); }

/* ---------- Botones premium ---------- */
.pc-btn {
  width: 100%; height: 50px; border: 0; border-radius: var(--pc-radius);
  background: var(--pc-accent); color: #fff; font-size: 15.5px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: filter .15s, transform .05s; text-decoration: none;
}
.pc-btn:hover { filter: brightness(1.07); color: #fff; }
.pc-btn:active { transform: scale(.99); }

.pc-links { text-align: center; margin-top: 18px; }
.pc-links a { font-size: 13.5px; color: var(--pc-accent); text-decoration: none; }
.pc-links a:hover { text-decoration: underline; }
.pc-links .muted { color: #9ca3af; }

@media (max-width: 760px) {
  .pc-login-card { flex-direction: column; min-height: 0; max-width: 460px; }
  .pc-login-brand { flex: none; padding: 26px 24px; }
  .pc-points, .pc-foot { display: none; }
  .pc-login-brand h1 { font-size: 21px; margin: 16px 0 6px; }
  .pc-login-brand p.lead { margin: 0; font-size: 13.5px; }
  .pc-login-form { padding: 30px 26px 36px; }
}

/* ============================================================
   BACK-OFFICE (sidebar + topbar)  — complementa Bootstrap
   ============================================================ */
body.pc-app { background: var(--pc-bg); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--pc-text); }

.pc-layout { display: flex; min-height: 100vh; }

.pc-sidebar {
  width: 250px; flex-shrink: 0; background: var(--pc-sidebar); color: #cbd5e1;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.pc-sidebar .pc-logo { padding: 20px 22px; display: flex; align-items: center; gap: 11px; color: #fff; font-weight: 600; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,.06); }
.pc-sidebar .pc-logo .chip { width: 34px; height: 34px; border-radius: 10px; background: var(--pc-accent); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.pc-nav { padding: 12px 12px; overflow-y: auto; flex: 1; }
.pc-nav .group { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #64748b; margin: 16px 12px 6px; }
.pc-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border-radius: 10px; color: #cbd5e1; text-decoration: none;
  font-size: 14.5px; margin-bottom: 2px; transition: background .12s, color .12s;
}
.pc-nav a .lbl { display: flex; align-items: center; gap: 11px; }
.pc-nav a i { font-size: 17px; }
.pc-nav a:hover { background: var(--pc-sidebar-soft); color: #fff; }
.pc-nav a.active { background: var(--pc-accent); color: #fff; }
.pc-nav a.active:hover { background: var(--pc-accent-dark); }

.pc-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.pc-topbar {
  height: 62px; background: var(--pc-surface); border-bottom: 1px solid var(--pc-border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 22px; position: sticky; top: 0; z-index: 20;
}
.pc-topbar .title { font-weight: 600; font-size: 17px; }
.pc-topbar .user { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--pc-text-muted); }
.pc-topbar .avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--pc-accent-soft); color: var(--pc-accent-dark); display: flex; align-items: center; justify-content: center; font-weight: 600; }

.pc-content { padding: 24px; flex: 1; }

.pc-card { background: var(--pc-surface); border: 1px solid var(--pc-border); border-radius: var(--pc-radius-card); padding: 1.25rem 1.5rem; }
.pc-stat { background: var(--pc-surface); border: 1px solid var(--pc-border); border-radius: var(--pc-radius-card); padding: 1.1rem 1.25rem; }
.pc-stat .k { font-size: 13px; color: var(--pc-text-muted); display: flex; align-items: center; gap: 7px; }
.pc-stat .v { font-size: 28px; font-weight: 600; margin-top: 6px; }
.pc-stat .ico { width: 40px; height: 40px; border-radius: 11px; background: var(--pc-accent-soft); color: var(--pc-accent-dark); display: flex; align-items: center; justify-content: center; font-size: 20px; }

/* Botones e inputs Bootstrap re-tematizados al acento */
.btn-primary { --bs-btn-bg: var(--pc-accent); --bs-btn-border-color: var(--pc-accent); --bs-btn-hover-bg: var(--pc-accent-dark); --bs-btn-hover-border-color: var(--pc-accent-dark); --bs-btn-active-bg: var(--pc-accent-dark); }
.btn-outline-primary { --bs-btn-color: var(--pc-accent); --bs-btn-border-color: var(--pc-accent); --bs-btn-hover-bg: var(--pc-accent); --bs-btn-hover-border-color: var(--pc-accent); }
.text-accent { color: var(--pc-accent) !important; }
a { color: var(--pc-accent-dark); }
.form-control:focus, .form-select:focus { border-color: var(--pc-accent); box-shadow: var(--pc-focus); }
.table { --bs-table-hover-bg: #f8fafc; }
.badge-soft { background: var(--pc-accent-soft); color: var(--pc-accent-dark); }
.card, .pc-card { box-shadow: 0 1px 2px rgba(16,24,40,.04); }

@media (max-width: 900px) {
  .pc-sidebar { position: fixed; left: -260px; z-index: 60; transition: left .2s; box-shadow: var(--pc-shadow); }
  .pc-sidebar.open { left: 0; }
  .pc-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 55; }
  .pc-backdrop.show { display: block; }
}
.pc-burger { background: 0; border: 0; font-size: 22px; color: var(--pc-text); display: none; }
@media (max-width: 900px) { .pc-burger { display: block; } }

/* ============================================================
   SITIO PÚBLICO (Fase 2) — marketing, flat + premium
   ============================================================ */
body.pc-public { margin:0; background:var(--pc-surface); color:var(--pc-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.pub-wrap { max-width:1120px; margin:0 auto; padding:0 20px; }

/* Nav */
.pub-nav { position:sticky; top:0; z-index:30; background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.2) blur(8px); border-bottom:1px solid var(--pc-border); }
.pub-nav .row { display:flex; align-items:center; justify-content:space-between; height:64px; }
.pub-brand { display:flex; align-items:center; gap:10px; font-weight:600; color:var(--pc-text); text-decoration:none; }
.pub-brand .chip { width:34px; height:34px; border-radius:10px; background:var(--pc-accent);
  color:#fff; display:flex; align-items:center; justify-content:center; font-size:18px; }
.pub-links { display:flex; align-items:center; gap:22px; }
.pub-links a { color:var(--pc-text-muted); text-decoration:none; font-size:14.5px; }
.pub-links a:hover { color:var(--pc-accent-dark); }
.pub-btn { display:inline-flex; align-items:center; gap:8px; background:var(--pc-accent); color:#fff;
  text-decoration:none; font-weight:600; padding:10px 18px; border-radius:12px; font-size:14.5px; border:0; cursor:pointer; }
.pub-btn:hover { filter:brightness(1.07); color:#fff; }
.pub-btn.ghost { background:transparent; color:var(--pc-accent-dark); border:1.5px solid var(--pc-border); }
.pub-btn.lg { padding:14px 26px; font-size:16px; }
@media(max-width:720px){ .pub-links a:not(.pub-btn){ display:none; } }

/* Hero */
.pub-hero { padding:72px 0 56px; background:linear-gradient(0deg,#fff,#fff); position:relative; }
.pub-hero .eyebrow { color:var(--pc-accent-dark); font-weight:600; font-size:13px; letter-spacing:.06em; text-transform:uppercase; }
.pub-hero h1 { font-size:clamp(30px,5vw,50px); line-height:1.1; font-weight:600; margin:12px 0 16px; max-width:14ch; }
.pub-hero p { font-size:18px; color:var(--pc-text-muted); max-width:52ch; margin:0 0 26px; }
.pub-hero .cta { display:flex; gap:12px; flex-wrap:wrap; }
.pub-hero .pill { display:inline-flex; gap:8px; align-items:center; background:var(--pc-accent-soft);
  color:var(--pc-accent-dark); padding:6px 12px; border-radius:999px; font-size:13px; font-weight:600; margin-bottom:18px; }

/* Secciones */
.pub-section { padding:56px 0; }
.pub-section.alt { background:var(--pc-bg); }
.pub-h2 { font-size:28px; font-weight:600; margin:0 0 8px; }
.pub-sub { color:var(--pc-text-muted); margin:0 0 32px; max-width:60ch; }
.pub-grid { display:grid; gap:18px; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); }
.pub-card { background:var(--pc-surface); border:1px solid var(--pc-border); border-radius:var(--pc-radius-card);
  padding:22px; box-shadow:0 1px 2px rgba(16,24,40,.04); }
.pub-card .ico { width:44px; height:44px; border-radius:12px; background:var(--pc-accent-soft);
  color:var(--pc-accent-dark); display:flex; align-items:center; justify-content:center; font-size:22px; margin-bottom:12px; }
.pub-card h3 { font-size:17px; margin:0 0 6px; font-weight:600; }
.pub-card p { color:var(--pc-text-muted); font-size:14.5px; margin:0; }
.pub-card .lvl { font-weight:700; color:var(--pc-accent-dark); font-size:20px; }

/* Pasos */
.pub-steps { counter-reset:step; display:grid; gap:18px; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); }
.pub-step { position:relative; padding-left:52px; }
.pub-step::before { counter-increment:step; content:counter(step); position:absolute; left:0; top:0;
  width:38px; height:38px; border-radius:11px; background:var(--pc-accent); color:#fff; font-weight:700;
  display:flex; align-items:center; justify-content:center; }
.pub-step h3 { font-size:16px; margin:2px 0 4px; }
.pub-step p { color:var(--pc-text-muted); font-size:14px; margin:0; }

/* CTA band */
.pub-band { background:var(--pc-sidebar); color:#fff; border-radius:20px; padding:40px; text-align:center; }
.pub-band h2 { color:#fff; font-size:26px; margin:0 0 8px; }
.pub-band p { color:rgba(255,255,255,.75); margin:0 0 22px; }

/* Footer */
.pub-footer { border-top:1px solid var(--pc-border); padding:32px 0; color:var(--pc-text-muted); font-size:14px; }
.pub-footer a { color:var(--pc-text-muted); text-decoration:none; }
.pub-footer a:hover { color:var(--pc-accent-dark); }

/* Formularios públicos */
.pub-form { max-width:560px; }
.pub-form .fld { margin-bottom:16px; }
.pub-form label { display:block; font-size:13px; font-weight:500; color:#4b5563; margin-bottom:6px; }
.pub-form input, .pub-form textarea { width:100%; border:1.5px solid var(--pc-border); border-radius:12px;
  padding:12px 14px; font-size:15px; font-family:inherit; box-sizing:border-box; }
.pub-form input:focus, .pub-form textarea:focus { outline:0; border-color:var(--pc-accent); box-shadow:var(--pc-focus); }
.hp { position:absolute; left:-9999px; }

/* Diagnóstico */
.diag-q { border:1px solid var(--pc-border); border-radius:14px; padding:18px 20px; margin-bottom:14px; }
.diag-q .qt { font-weight:600; margin-bottom:10px; }
.diag-op { display:flex; align-items:center; gap:10px; padding:8px 10px; border-radius:10px; cursor:pointer; }
.diag-op:hover { background:var(--pc-accent-soft); }
.diag-result .big { font-size:56px; font-weight:700; color:var(--pc-accent-dark); line-height:1; }