/* Página de curso: Analista en base de datos con IA. Identidad propia: un recorrido en dos tramos (SQL y Power BI)
   que la pregunta del negocio atraviesa, con la IA en violeta y un riel que marca en qué módulo estás. */
.c-analista-base-datos-ia {
  --ab: #6a3fd8; --ab-2: #2fb5a6; --ab-soft: #efe9fd; --ab-ink: #42239a; --ab-line: #d9cdf8;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}
:root[data-theme="dark"] .c-analista-base-datos-ia { --ab: #b39bff; --ab-2: #3cc4b8; --ab-soft: #241c45; --ab-ink: #d9ccff; --ab-line: #3d3270; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .c-analista-base-datos-ia { --ab: #b39bff; --ab-2: #3cc4b8; --ab-soft: #241c45; --ab-ink: #d9ccff; --ab-line: #3d3270; }
}
.c-analista-base-datos-ia h1 em, .c-analista-base-datos-ia h2 em {
  background: linear-gradient(90deg, var(--ab), var(--ab-2)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.c-analista-base-datos-ia .c-hero h1 { font-size: clamp(2.2rem, 1.3rem + 2.9vw, 3.6rem); max-width: 16ch; }
.c-analista-base-datos-ia .cs-step-n { color: var(--ab); font-weight: 600; }
.c-analista-base-datos-ia .gain-list span { -webkit-text-stroke-color: var(--ab); }
.c-analista-base-datos-ia code { font-family: var(--mono); }

/* ---------- Portada: pregunta y respuesta ---------- */
.ab-ask {
  position: absolute; left: -24px; bottom: -26px; width: min(78%, 330px); padding: 12px 14px; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--ab-line); box-shadow: var(--shadow); display: grid; gap: 8px;
  animation: c-in .8s .5s cubic-bezier(.2, .8, .2, 1) both;
}
.ab-ask p { margin: 0; }
.ab-ask .q { font-size: .86rem; font-weight: 600; min-height: 1.3em; }
.ab-ask .a { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; padding: 8px 10px; border-radius: 10px; background: var(--ab-soft); font-size: .84rem; color: var(--ab-ink); transition: opacity .4s, transform .4s; }
.ab-ask .a b { font-family: var(--f-display); }
.ab-ask .a small { margin-left: auto; font-size: .68rem; color: var(--muted); }
.ab-ask .a.off { opacity: 0; transform: translateY(6px); }

/* ---------- Historia ---------- */
.ab-stage { font-size: .86rem; background: linear-gradient(160deg, var(--surface) 55%, color-mix(in srgb, var(--ab) 8%, var(--surface))); }
.c-analista-base-datos-ia .scene { padding: 15% 7% 7%; }
.c-analista-base-datos-ia .s1 { background: none; }
.c-analista-base-datos-ia .s2, .c-analista-base-datos-ia .s4 { display: block; }
.ab-track { position: absolute; left: 7%; right: 7%; top: 5%; z-index: 3; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; font-size: .72rem; font-weight: 600; color: var(--muted); }
.ab-track span { padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); transition: color .4s, background-color .4s, border-color .4s; }
.ab-track i { height: 3px; border-radius: 3px; background: var(--line); position: relative; overflow: hidden; }
.ab-track i::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ab), var(--ab-2)); transform-origin: 0 50%; transform: scaleX(0); transition: transform .8s ease; }
.cs-stage[data-step="2"] .ab-track .t1 { color: #fff; background: var(--ab); border-color: var(--ab); }
.cs-stage[data-step="3"] .ab-track .t1, .cs-stage[data-step="4"] .ab-track .t1, .cs-stage[data-step="5"] .ab-track .t1 { color: var(--ab-ink); border-color: var(--ab-line); background: var(--ab-soft); }
.cs-stage[data-step="3"] .ab-track i::after, .cs-stage[data-step="4"] .ab-track i::after, .cs-stage[data-step="5"] .ab-track i::after { transform: scaleX(1); }
.cs-stage[data-step="3"] .ab-track .t2, .cs-stage[data-step="4"] .ab-track .t2, .cs-stage[data-step="5"] .ab-track .t2 { color: #fff; background: var(--ab-2); border-color: var(--ab-2); }
:root[data-theme="dark"] .cs-stage[data-step="2"] .ab-track .t1, :root[data-theme="dark"] .cs-stage:is([data-step="3"], [data-step="4"], [data-step="5"]) .ab-track .t2 { color: #15102b; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .cs-stage[data-step="2"] .ab-track .t1, :root:not([data-theme="light"]) .cs-stage:is([data-step="3"], [data-step="4"], [data-step="5"]) .ab-track .t2 { color: #15102b; }
}

/* Escena 1: el mail */
.ab-mail { padding: 14px 16px; border-radius: 16px; background: var(--bg); border: 1px solid var(--line); box-shadow: 0 14px 30px -18px rgba(16, 42, 67, .45); }
.ab-mail header { display: flex; gap: 10px; align-items: center; }
.ab-mail header i { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-weight: 700; color: #fff; background: var(--deep); }
.ab-mail header span { display: grid; font-size: .8rem; } .ab-mail small { color: var(--muted); font-size: .7rem; }
.ab-mail p { margin: 12px 0 0; font-family: var(--f-display); font-size: 1.15rem; line-height: 1.3; font-weight: 600; }
.ab-holes { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.ab-holes li { padding: 12px 10px; border-radius: 12px; border: 1.5px dashed var(--faint); color: var(--muted); font-size: .76rem; font-weight: 600; text-align: center; transition: opacity .5s, transform .5s; }
.ab-holes li:nth-child(1) { transition-delay: .25s; } .ab-holes li:nth-child(2) { transition-delay: .4s; } .ab-holes li:nth-child(3) { transition-delay: .55s; }
.cs-stage:not([data-step="1"]) .s1 .ab-mail { opacity: 0; transform: translateY(20px); }
.cs-stage:not([data-step="1"]) .s1 .ab-holes li { opacity: 0; transform: translateY(10px); }

/* Escena 2: prompt a SQL */
.ab-prompt { padding: 10px 14px; border-radius: 14px 14px 14px 4px; background: var(--ab-soft); color: var(--ab-ink); font-size: .84rem; line-height: 1.4; border: 1px solid var(--ab-line); }
.ab-sql { margin: 12px 0 0; padding: 12px 14px; border-radius: 12px; background: var(--bg); border: 1px solid var(--line); border-left: 3px solid var(--ab); font-size: .76rem; line-height: 1.6; white-space: pre-wrap; color: var(--ink); --d: .3s; }
.ab-sql b { color: var(--ab); }
.ab-tip { position: absolute; left: 7%; right: 7%; bottom: 6%; margin: 0; font-size: .76rem; color: var(--muted); --d: .5s; }
.cs-stage:not([data-step="2"]) .s2 > * { opacity: 0; transform: translateY(14px); }

/* Escena 3: columna a partir de ejemplos */
.ab-cap { margin: 0 0 12px; font-weight: 600; font-size: .86rem; }
.ab-tab { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--bg); --d: .15s; }
.ab-tab .r { display: grid; grid-template-columns: 1.3fr 1fr; border-top: 1px solid var(--line); }
.ab-tab .r span { padding: 8px 12px; font-size: .8rem; }
.ab-tab .r span + span { border-left: 1px solid var(--line); }
.ab-tab .r.h { border-top: 0; background: var(--surface); font-family: var(--mono); font-size: .72rem; }
.ab-tab .r.h span:last-child { color: var(--ab); font-weight: 700; }
.ab-tab .me { font-weight: 600; }
.ab-tab .ai { color: var(--ab); font-style: italic; background: color-mix(in srgb, var(--ab) 7%, transparent); transition: opacity .4s; }
.ab-tab .r:nth-child(3) .ai { transition-delay: .5s; } .ab-tab .r:nth-child(4) .ai { transition-delay: .65s; } .ab-tab .r:nth-child(5) .ai { transition-delay: .8s; }
.cs-stage:not([data-step="3"]) .ab-tab .ai { opacity: 0; }
.cs-stage:not([data-step="3"]) .s3 > * { opacity: 0; transform: translateY(12px); }
.c-analista-base-datos-ia .s3 .ab-tip { --d: .9s; }

/* Escena 4: influyentes clave y segmentos */
.ab-inf { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ab-inf li { position: relative; display: flex; justify-content: space-between; align-items: center; padding: 7px 12px; border-radius: 10px; background: var(--bg); border: 1px solid var(--line); font-size: .8rem; overflow: hidden; }
.ab-inf li::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: var(--v); background: color-mix(in srgb, var(--ab-2) 22%, transparent); transform-origin: 0 50%; transition: transform .9s cubic-bezier(.2, .8, .2, 1); }
.ab-inf li:nth-child(2)::before { transition-delay: .1s; } .ab-inf li:nth-child(3)::before { transition-delay: .2s; }
.ab-inf span, .ab-inf b { position: relative; } .ab-inf b { font-family: var(--mono); color: var(--ab-ink); }
.cs-stage:not([data-step="4"]) .ab-inf li::before { transform: scaleX(0); }
.ab-seg { display: block; width: 100%; height: 34%; margin-top: 12px; --d: .3s; }
.ab-seg circle { stroke: none; }
.ab-seg .sa { fill: var(--ab); } .ab-seg .sb { fill: var(--ab-2); } .ab-seg .sc { fill: #e8a700; }
.ab-segl { margin: 2px 0 0; font-size: .7rem; color: var(--muted); --d: .4s; }
.cs-stage:not([data-step="4"]) .s4 > * { opacity: 0; transform: translateY(12px); }

/* Escena 5: tablero */
.ab-dash { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); grid-template-rows: auto 1fr; gap: 10px; height: 78%; }
.ab-kpi, .ab-map, .ab-nar { border-radius: 12px; background: var(--bg); border: 1px solid var(--line); padding: 10px 12px; }
.ab-kpi { display: grid; align-content: center; gap: 2px; }
.ab-kpi small { font-size: .7rem; color: var(--muted); } .ab-kpi b { font-family: var(--f-display); font-size: 1.6rem; } .ab-kpi span { font-size: .74rem; font-weight: 700; color: var(--bad); }
.ab-map { position: relative; grid-row: span 2; background: radial-gradient(circle at 40% 45%, color-mix(in srgb, var(--ab-2) 14%, var(--bg)), var(--bg) 70%); --d: .15s; }
.ab-map i { position: absolute; left: var(--x); top: var(--y); width: var(--s); height: var(--s); translate: -50% -50%; border-radius: 50%; background: color-mix(in srgb, var(--ab-2) 70%, transparent); border: 2px solid var(--surface); }
.ab-map i.lo { background: color-mix(in srgb, var(--bad) 75%, transparent); }
.ab-map small { position: absolute; left: 10px; bottom: 8px; font-size: .68rem; color: var(--muted); }
.ab-nar { font-size: .74rem; --d: .35s; border-color: var(--ab-line); background: var(--ab-soft); color: var(--ab-ink); }
.ab-nar p { margin: 4px 0 0; line-height: 1.4; color: var(--ink); }
.ab-ref { position: absolute; right: 7%; bottom: 6%; padding: 7px 12px; border-radius: 999px; background: var(--deep); color: var(--on-deep); font-size: .74rem; font-weight: 600; border: 1px solid color-mix(in srgb, var(--on-deep) 18%, transparent); --d: .55s; }
.cs-stage:not([data-step="5"]) .s5 > * { opacity: 0; transform: translateY(14px); }

/* ---------- Programa: dos módulos ---------- */
.ab-mods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.c-analista-base-datos-ia .ab-mod { grid-column: auto; grid-row: auto; gap: 14px; background: var(--surface); border-top: 4px solid var(--ab); }
.c-analista-base-datos-ia .ab-mod + .ab-mod { border-top-color: var(--ab-2); }
.ab-mod .unit-n { color: var(--ab); letter-spacing: .06em; }
.ab-mod h3 { font-size: 1.45rem; }
.ab-mod h3 a { color: inherit; text-decoration: none; }
.ab-mod h3 a:hover { color: var(--ab); text-decoration: underline; text-underline-offset: 4px; }
.ab-list { margin: 0; padding: 0; list-style: none; counter-reset: u; display: grid; gap: 8px; }
.ab-list li { counter-increment: u; position: relative; padding: 8px 12px 8px 42px; border-radius: 10px; background: var(--bg); font-size: .92rem; line-height: 1.4; color: var(--muted); }
.ab-list li::before { content: counter(u); position: absolute; left: 10px; top: 8px; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font: 700 .72rem/1 var(--f-data); color: var(--ab-ink); background: var(--ab-soft); }
.ab-list li.ia { color: var(--ink); background: var(--ab-soft); }
.ab-list li.ia::after { content: "✦ IA"; margin-left: 6px; font-size: .68rem; font-weight: 700; color: var(--ab); white-space: nowrap; }
.ab-list li.ia::before { background: var(--ab); color: #fff; }
.ab-more { justify-self: start; font-weight: 600; color: var(--accent); }
.c-analista-base-datos-ia .road-classes.on .dots i { background: var(--ab); }
.c-analista-base-datos-ia .road-classes.on .dots i.pb { background: var(--ab-2); }

@media (max-width: 900px) {
  .ab-ask { left: -10px; bottom: -22px; width: 76%; }
  .ab-mods { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .ab-stage { font-size: .74rem; }
  .c-analista-base-datos-ia .scene { padding: 16% 5% 5%; }
  .ab-track { top: 4%; left: 5%; right: 5%; font-size: .58rem; gap: 6px; } .ab-track span { padding: 2px 7px; }
  .ab-ask .q { font-size: .74rem; } .ab-ask .a { font-size: .72rem; padding: 6px 8px; }
  .ab-mail { padding: 10px 12px; } .ab-mail p { font-size: .86rem; margin-top: 8px; } .ab-mail header i { width: 24px; height: 24px; font-size: .7rem; } .ab-mail header span { font-size: .66rem; }
  .ab-holes { margin-top: 10px; gap: 5px; } .ab-holes li { font-size: .6rem; padding: 7px 5px; }
  .ab-prompt { font-size: .66rem; padding: 7px 10px; } .ab-sql { font-size: .58rem; padding: 7px 9px; margin-top: 7px; line-height: 1.45; }
  .ab-tip { font-size: .6rem; bottom: 4%; }
  .ab-cap { font-size: .68rem; margin-bottom: 6px; } .ab-tab .r span { padding: 4px 8px; font-size: .62rem; } .ab-tab .r.h { font-size: .56rem; }
  .ab-inf { gap: 4px; } .ab-inf li { font-size: .62rem; padding: 4px 8px; } .ab-seg { margin-top: 6px; height: 24%; } .ab-segl { font-size: .56rem; }
  .ab-dash { gap: 6px; height: 76%; } .ab-kpi, .ab-map, .ab-nar { padding: 6px 8px; border-radius: 9px; }
  .ab-kpi b { font-size: 1.05rem; } .ab-kpi small, .ab-kpi span { font-size: .56rem; } .ab-nar { font-size: .56rem; } .ab-map small { font-size: .52rem; }
  .ab-map i { scale: .7; }
  .ab-ref { font-size: .58rem; padding: 4px 9px; bottom: 4%; }
  .ab-list li { font-size: .86rem; }
}
@media (prefers-reduced-motion: reduce) {
  .ab-ask { animation: none !important; }
  .ab-ask .a, .ab-track i::after, .ab-inf li::before, .ab-tab .ai, .ab-holes li { transition: none !important; }
}

/* ---------- Programa: un proceso continuo (SQL, otras fuentes, Power BI) ---------- */
.ab-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.ab-flow li { position: relative; display: grid; align-content: start; gap: 10px; padding: 24px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--ab); }
.ab-flow li:nth-child(2) { border-top-color: color-mix(in srgb, var(--ab) 50%, var(--ab-2)); }
.ab-flow li:nth-child(3) { border-top-color: var(--ab-2); }
.ab-flow li:not(:last-child)::after { content: "→"; position: absolute; right: -18px; top: 26px; color: var(--ab); font-weight: 700; font-size: 1.1rem; }
.ab-flow-n { font-family: var(--f-data); font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ab); }
.ab-flow h3 { font-size: 1.3rem; }
.ab-flow p { margin: 0; color: var(--muted); line-height: 1.55; }
@media (max-width: 900px) {
  .ab-flow { grid-template-columns: minmax(0, 1fr); }
  .ab-flow li:not(:last-child)::after { content: "↓"; right: 24px; top: auto; bottom: -20px; }
}