/* ============================================================================
   OfficeAcademy · leccion.css
   Motor visual compartido por todas las rutas interactivas (Word, Excel, PPT)
   Cada página define su propio --curso-color antes de cargar este archivo.
   ============================================================================ */
:root {
  --ink:#12141C; --ink-soft:#454A5E; --paper:#F7F8FC; --paper-dim:#ECEEF6;
  --brand:#4F5DFF; --brand-2:#7B8CFF; --word:#2B579A; --excel:#1E7145; --slide:#C43E1C;
  --f-display:'Space Grotesk',sans-serif; --f-body:'Inter',sans-serif; --f-mono:'IBM Plex Mono',monospace;
  --bg:var(--paper); --bg-dim:var(--paper-dim); --text:var(--ink); --text-soft:var(--ink-soft);
  --glass:rgba(255,255,255,.55); --glass-border:rgba(255,255,255,.75);
  --shadow:0 20px 60px -20px rgba(18,20,28,.25); --input-bg:rgba(255,255,255,.7); --divider:rgba(18,20,28,.08);
  --radius-lg:28px; --radius-md:16px; --radius-sm:10px; --ease:cubic-bezier(.16,.8,.28,1);
}
[data-theme="dark"] {
  --bg:#0E0F16; --bg-dim:#12141C; --text:#F2F3F9; --text-soft:#A2A6BE;
  --glass:rgba(24,26,38,.55); --glass-border:rgba(255,255,255,.08);
  --shadow:0 20px 60px -20px rgba(0,0,0,.6); --input-bg:rgba(255,255,255,.05); --divider:rgba(255,255,255,.08);
}
* { box-sizing: border-box; margin:0; padding:0; }
body { font-family: var(--f-body); background: var(--bg); color: var(--text); transition: background .4s var(--ease), color .4s var(--ease); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
button:active, .node:active { transform: scale(.96); }

/* Navbar */
.navbar { position: sticky; top:0; z-index:50; backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--divider); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; padding:14px 24px; max-width:720px; margin:0 auto; }
.brand-mark { display:flex; align-items:center; gap:9px; font-family:var(--f-display); font-weight:700; font-size:18px; }
.brand-mark .dot { width:9px; height:9px; border-radius:50%; background: var(--curso-color, var(--brand)); }
.back-link { font-size:13.5px; font-weight:600; color:var(--text-soft); display:flex; align-items:center; gap:6px; transition: transform .2s var(--ease); }
.back-link:hover { transform: translateX(-3px); }
.hearts { font-family:var(--f-mono); font-size:13px; color: var(--text-soft); font-weight:700; }

/* Mapa de progreso */
.map-wrap { position: relative; max-width: 460px; margin: 40px auto 100px; padding: 0 24px; display:flex; flex-direction:column; align-items:center; gap: 40px; }
.map-wrap::before {
  content: ''; position: absolute; top: -60px; left: 50%; width: 340px; height: 340px;
  background: radial-gradient(circle, color-mix(in srgb, var(--curso-color, var(--brand)) 16%, transparent), transparent 70%);
  transform: translateX(-50%); z-index: -1; pointer-events: none;
}
.map-track { position: absolute; top: 130px; bottom: 90px; left: 50%; width: 3px; transform: translateX(-50%); z-index: 0; }
.map-track .seg-bg { position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, var(--divider) 0 10px, transparent 10px 20px); }
.map-track .seg-fill { position: absolute; top: 0; left: 0; width: 100%; background: linear-gradient(to bottom, var(--curso-color, var(--brand)), color-mix(in srgb, var(--curso-color, var(--brand)) 60%, white)); border-radius: 999px; transition: height .6s var(--ease); }
.map-sparkle { position: absolute; font-size: 14px; opacity: .5; animation: sparkleFloat 4s ease-in-out infinite; pointer-events: none; z-index: 0; }
@keyframes sparkleFloat { 0%,100% { transform: translateY(0) rotate(0deg); opacity: .35; } 50% { transform: translateY(-10px) rotate(15deg); opacity: .7; } }
.map-head { text-align:center; margin-bottom: 6px; }
.map-head span.eyebrow { font-family:var(--f-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color: var(--curso-color, var(--brand)); }
.map-head h1 { font-family:var(--f-display); font-size:24px; margin:8px 0 6px; }
.map-head p { color:var(--text-soft); font-size:13.5px; }
.map-progress { font-family: var(--f-mono); font-size: 11.5px; color: var(--text-soft); margin-top: 8px; }

.node { position: relative; z-index: 1; width: 84px; height: 84px; border-radius: 50%; display:flex; align-items:center; justify-content:center; font-size: 26px; cursor:pointer; transition: transform .2s var(--ease), box-shadow .2s var(--ease); box-shadow: 0 10px 22px -8px color-mix(in srgb, var(--curso-color, var(--brand)) 55%, transparent); border: none; opacity: 0; animation: nodeIn .5s var(--ease) forwards; }
.node .node-step { position: absolute; top: -6px; left: -6px; width: 22px; height: 22px; border-radius: 50%; background: var(--bg); border: 2px solid var(--curso-color, var(--brand)); color: var(--curso-color, var(--brand)); font-family: var(--f-mono); font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.node.locked .node-step { border-color: var(--divider); color: var(--text-soft); }
.node.done .node-step { background: var(--excel); border-color: var(--excel); color: #fff; }
.node:hover:not(.locked) { transform: translateY(-4px) scale(1.05); }
.node.done { background: linear-gradient(135deg, #2F9C63, #1E7145); color:#fff; }
.node.current { background: linear-gradient(135deg, var(--curso-color, var(--brand)), color-mix(in srgb, var(--curso-color, var(--brand)) 60%, white)); color:#fff; animation: nodeIn .5s var(--ease) forwards, pulse 1.8s 0.5s infinite; }
.node.locked { background: var(--bg-dim); color: var(--text-soft); cursor: not-allowed; box-shadow:none; border: 2px dashed var(--divider); }
.node .node-label { position:absolute; bottom:-24px; font-family:var(--f-mono); font-size:10.5px; color:var(--text-soft); white-space:nowrap; }
@keyframes pulse { 0%,100% { box-shadow: 0 10px 22px -8px color-mix(in srgb, var(--curso-color, var(--brand)) 55%, transparent); } 50% { box-shadow: 0 10px 30px -4px color-mix(in srgb, var(--curso-color, var(--brand)) 85%, transparent); } }
@keyframes nodeIn { from { opacity: 0; transform: translateY(14px) scale(.8); } to { opacity: 1; transform: translateY(0) scale(1); } }
.node.left { align-self: flex-start; margin-left: 30px; }
.node.right { align-self: flex-end; margin-right: 30px; }
.node.center { align-self: center; }
.node.chest { background: linear-gradient(135deg, #F5A623, #E08E1B); color:#fff; width: 96px; height:96px; font-size:32px; }
.node.chest.done { animation: chestGlow 2.2s infinite; }
@keyframes chestGlow { 0%,100% { box-shadow: 0 10px 26px -6px rgba(245,166,35,.55); } 50% { box-shadow: 0 10px 36px -2px rgba(245,166,35,.9); } }

/* Overlay de actividad */
.activity-overlay { position: fixed; inset:0; background: var(--bg); z-index: 100; display:none; flex-direction:column; opacity: 0; transition: opacity .25s var(--ease); }
.activity-overlay.open { display:flex; }
.activity-overlay.open.show { opacity: 1; }
.activity-top { display:flex; align-items:center; gap:16px; padding: 16px 24px; }
.activity-close { width:36px; height:36px; border-radius:50%; border:1px solid var(--divider); background:var(--input-bg); color:var(--text); transition: transform .2s var(--ease); }
.activity-close:hover { transform: rotate(90deg); }
.progress-mini { flex:1; height:10px; border-radius:999px; background: var(--divider); overflow:hidden; }
.progress-mini-fill { height:100%; background: var(--curso-color, var(--brand)); border-radius:999px; transition: width .4s var(--ease); }
.progress-count { font-family: var(--f-mono); font-size: 11.5px; color: var(--text-soft); white-space: nowrap; }

.activity-body { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding: 20px 24px; max-width: 560px; margin: 0 auto; width:100%; animation: bodyIn .35s var(--ease); }
@keyframes bodyIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.activity-body h2 { font-family:var(--f-display); font-size:20px; text-align:center; margin-bottom: 28px; }

/* Quiz */
.quiz-options { display:flex; flex-direction:column; gap:12px; width:100%; }
.quiz-opt { padding:14px 18px; border-radius: var(--radius-md); border: 2px solid var(--divider); background: var(--input-bg); text-align:left; font-size:14.5px; font-weight:700; color: var(--text); transition: all .18s var(--ease); }
.quiz-opt:hover { border-color: var(--curso-color, var(--brand)); transform: translateX(2px); }
.quiz-opt.selected { border-color: var(--curso-color, var(--brand)); background: color-mix(in srgb, var(--curso-color, var(--brand)) 10%, transparent); }
.quiz-opt.correct { border-color: var(--excel); background: color-mix(in srgb, var(--excel) 14%, transparent); animation: correctPop .35s var(--ease); }
.quiz-opt.wrong { border-color: var(--slide); background: color-mix(in srgb, var(--slide) 14%, transparent); animation: shake .35s var(--ease); }
@keyframes correctPop { 0% { transform: scale(1); } 50% { transform: scale(1.03); } 100% { transform: scale(1); } }
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

/* Drag & drop */
.dd-wrap { display:grid; grid-template-columns: 1fr 1fr; gap: 30px; width:100%; }
@media (max-width:560px) { .dd-wrap { grid-template-columns: 1fr; } }
.dd-col h4 { font-family:var(--f-mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-soft); margin-bottom:12px; }
.dd-item { padding:12px 14px; border-radius: var(--radius-sm); background: var(--input-bg); border: 2px solid var(--divider); margin-bottom:10px; font-size:13.5px; font-weight:600; cursor:grab; user-select:none; transition: outline .15s; }
.dd-item.placed { opacity: .35; cursor: default; }
.dd-zone { min-height: 52px; padding:10px 14px; border-radius: var(--radius-sm); border: 2px dashed var(--divider); margin-bottom:10px; font-size:13px; color:var(--text-soft); display:flex; align-items:center; transition: border-color .15s, background .15s; }
.dd-zone.filled { border-style: solid; color: var(--text); font-weight:600; }
.dd-zone.correct { border-color: var(--excel); background: color-mix(in srgb, var(--excel) 12%, transparent); }
.dd-zone.wrong { border-color: var(--slide); background: color-mix(in srgb, var(--slide) 12%, transparent); }
.dd-zone.over { border-color: var(--curso-color, var(--brand)); background: color-mix(in srgb, var(--curso-color, var(--brand)) 8%, transparent); }

/* Ordenar pasos */
.ord-list { width:100%; display:flex; flex-direction:column; gap:10px; }
.ord-item { display:flex; align-items:center; gap:12px; padding:13px 16px; border-radius: var(--radius-sm); background: var(--input-bg); border: 2px solid var(--divider); cursor:grab; font-size:13.5px; font-weight:600; transition: transform .15s, border-color .3s; }
.ord-item .ord-num { width:24px; height:24px; border-radius:50%; background: var(--curso-color, var(--brand)); color:#fff; font-family:var(--f-mono); font-size:11px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.ord-item.dragging { opacity: .4; }

.activity-bottom { padding: 18px 24px 28px; border-top: 1px solid var(--divider); }
.activity-bottom-inner { max-width: 560px; margin:0 auto; display:flex; flex-direction:column; gap:10px; }
.feedback-box { padding: 12px 16px; border-radius: var(--radius-sm); font-size:13.5px; font-weight:600; display:none; align-items:center; gap:10px; animation: bodyIn .25s var(--ease); }
.feedback-box.show { display:flex; }
.feedback-box.ok { background: color-mix(in srgb, var(--excel) 14%, transparent); color: var(--excel); }
.feedback-box.bad { background: color-mix(in srgb, var(--slide) 14%, transparent); color: var(--slide); }
.btn-check { width:100%; padding:14px; border-radius: var(--radius-md); border:none; background: var(--curso-color, var(--brand)); color:#fff; font-weight:800; font-size:14.5px; transition: transform .15s var(--ease), opacity .15s; }
.btn-check:disabled { opacity:.4; cursor:not-allowed; }
.btn-check:not(:disabled):hover { transform: translateY(-2px); }
.btn-check.retry { background: var(--slide); }
.btn-check.next { background: var(--excel); }

.empty-state { text-align:center; color:var(--text-soft); font-size:13.5px; padding: 20px; }