/* paa.css — estilos del motor INGRESO UdeG · Preparación Integral PAA (SUPERPROMPT UdeG).
   Reusa los tokens de app.css (colores, radios, sombras). Mobile-first; respeta
   prefers-reduced-motion. Sólo se carga en las vistas views/paa/*. */

.paa-home, .paa-runner, .paa-results, .paa-practice, .paa-sims, .paa-progress, .paa-goal { padding-block: var(--space-6, 24px) 56px; }

/* Compartidos ------------------------------------------------------- */
.paa-hero h1 { font-size: clamp(1.7rem, 5vw, 2.5rem); margin: 4px 0 10px; }
.paa-hero .lede, .paa-practice .lede, .paa-sims .lede, .paa-goal .lede, .paa-progress .lede { color: var(--muted); max-width: 64ch; font-size: 1.02rem; }
.paa-notice {
    display: flex; gap: 8px; align-items: flex-start; margin: 14px 0;
    padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius-md);
    background: var(--accent-soft); color: var(--ink); font-size: .9rem;
}
.paa-muted { color: var(--muted); font-size: .9rem; }
.paa-link { color: var(--accent); font-size: .9rem; text-decoration: none; }
.paa-link:hover { text-decoration: underline; }
.paa-meter { flex: 1 1 100px; height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; display: inline-block; min-width: 80px; }
.paa-meter-bar { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.paa-area-val { font-weight: 700; font-size: .92rem; white-space: nowrap; }
.paa-area-val small { color: var(--muted); font-weight: 400; }

/* Hub --------------------------------------------------------------- */
.paa-cta-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin-top: 26px; }
.paa-cta { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.paa-cta h2 { font-size: 1.02rem; margin: 0; }
.paa-cta p { margin: 0; color: var(--muted); font-size: .92rem; flex: 1; }
.paa-cta-main { background: var(--accent-soft); }
.paa-cta-row { display: flex; flex-wrap: wrap; gap: 8px; }
.paa-cta-row form { display: inline; }

/* Hub de 10 modos ("¿Qué quieres hacer?") ---------------------------- */
.paa-hub { margin-top: 26px; }
.paa-hub-title { font-size: clamp(1.3rem, 4vw, 1.8rem); margin: 0 0 4px; }
.paa-hub-sub { color: var(--muted); margin: 0 0 16px; font-size: .95rem; }
.paa-mode-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.paa-mode-grid form { display: flex; margin: 0; }
.paa-mode {
    appearance: none; text-align: left; cursor: pointer; width: 100%;
    display: flex; flex-direction: column; gap: 4px;
    padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-lg);
    background: var(--surface); color: var(--ink); font: inherit; transition: border-color .15s, transform .15s, background .15s;
}
.paa-mode:hover:not([disabled]) { border-color: var(--accent); transform: translateY(-2px); background: var(--accent-soft); }
.paa-mode[disabled] { opacity: .5; cursor: not-allowed; }
.paa-mode-ico { font-size: 1.5rem; line-height: 1; }
.paa-mode-name { font-weight: 700; font-size: 1rem; }
.paa-mode-desc { color: var(--muted); font-size: .84rem; }
a.paa-mode { text-decoration: none; }
.paa-hub-foot { margin-top: 14px; }

.paa-goal-strip { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: baseline; margin-top: 18px; padding: 12px 16px; border: 1px dashed var(--accent); border-radius: var(--radius-md); background: var(--surface); }
.paa-goal-kicker { font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.paa-goal-count { font-weight: 700; color: var(--accent); }

.paa-latest { margin-top: 28px; }
.paa-latest h2 { font-size: 1.1rem; }
.paa-latest h2 small { font-weight: 400; color: var(--muted); font-size: .8rem; }
.paa-area-grid { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.paa-area-grid li { display: flex; gap: 10px; align-items: center; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.paa-area-name { font-weight: 600; min-width: 88px; }

.paa-home-cols { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-top: 36px; }
.paa-home-cols h2 { font-size: 1.1rem; margin-bottom: 4px; }
.paa-inv-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.paa-inv-list li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); font-size: .92rem; }
.paa-inv-total { border-style: dashed; }
.paa-varnote { border-left: 3px solid var(--warn, var(--accent)); padding-left: 10px; }
.paa-ref-list { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: .92rem; display: grid; gap: 6px; }

.paa-method { margin-top: 36px; }
.paa-method ol { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); padding-left: 20px; }
.paa-method li { padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); list-style: none; font-size: .92rem; }

/* Prácticas --------------------------------------------------------- */
.paa-practice h1, .paa-sims h1, .paa-progress h1, .paa-goal h1 { font-size: clamp(1.6rem, 5vw, 2.2rem); margin: 4px 0 8px; }
.paa-quick-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 20px 0; }
.paa-quick { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.paa-quick h2 { font-size: 1rem; margin: 0; }
.paa-quick p { margin: 0; color: var(--muted); font-size: .9rem; flex: 1; }

.paa-free-form { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 20px; }
.paa-free-form h2 { margin: 0 0 14px; font-size: 1.1rem; }
.paa-free-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.paa-free-grid label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 600; }
.paa-free-grid select { padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); color: var(--ink); }
.paa-mode-field { border: 1px solid var(--line); border-radius: var(--radius-md); padding: 10px 12px; margin: 0; display: grid; gap: 6px; }
.paa-mode-field legend { font-size: .9rem; font-weight: 600; padding: 0 4px; }
.paa-mode-opt { display: flex; gap: 8px; align-items: flex-start; font-size: .9rem; cursor: pointer; }
.paa-mode-opt small { display: block; color: var(--muted); font-weight: 400; }
.paa-free-form .actions { margin-top: 14px; }
.paa-privacy { margin-top: 16px; }

/* Simuladores ------------------------------------------------------- */
.paa-sim-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 22px 0; }
.paa-sim-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.paa-sim-card h2 { font-size: 1.05rem; margin: 0; }
.paa-sim-n { margin: 0; color: var(--accent); font-weight: 700; font-size: .9rem; }
.paa-sim-mix { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; font-size: .88rem; }
.paa-sim-mix li { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--line); padding: 3px 0; }
.paa-sim-legal { margin-top: 24px; }
.paa-sim-legal ul { padding-left: 18px; color: var(--muted); display: grid; gap: 6px; font-size: .92rem; }

/* Runner ------------------------------------------------------------ */
.paa-run-head { margin-bottom: 18px; }
.paa-run-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.paa-progress { flex: 1 1 200px; height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.paa-progress-bar { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s ease; }
.paa-progress-label { color: var(--muted); font-size: .85rem; margin: 6px 0 0; }
.paa-timer { margin: 0; font-weight: 800; font-variant-numeric: tabular-nums; padding: 4px 10px; border-radius: 99px; background: var(--line); }
.paa-timer.is-warn { background: var(--warn-soft, var(--accent-soft)); color: var(--warn, var(--accent)); }
.paa-timer.is-danger { background: var(--danger-soft, var(--accent-soft)); color: var(--danger, var(--accent)); animation: paa-pulse 1s infinite; }
@keyframes paa-pulse { 50% { opacity: .55; } }

.paa-item { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 20px; box-shadow: var(--shadow-sm); }
.paa-item-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.paa-tag { font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; padding: 3px 9px; border-radius: 99px; background: var(--accent-soft); color: var(--accent-hover, var(--accent)); }
.paa-tag.is-sub { background: var(--line); color: var(--muted); }
.paa-tag.is-diff { background: transparent; border: 1px solid var(--line); color: var(--muted); }

.paa-passage { margin: 0 0 16px; padding: 14px 16px; border-left: 3px solid var(--accent); background: var(--bg); border-radius: 0 var(--radius-md) var(--radius-md) 0; max-height: 40vh; overflow: auto; }
.paa-passage-title { font-weight: 700; margin: 0 0 6px; }
.paa-passage-text { margin: 0 0 10px; line-height: 1.65; white-space: pre-wrap; }
.paa-context { color: var(--muted); font-size: .95rem; font-style: italic; margin: 0 0 8px; }
.paa-prompt { font-size: 1.12rem; margin: 6px 0 14px; }

.paa-answer { display: grid; gap: 8px; margin-bottom: 16px; }
.paa-opt { display: flex; gap: 10px; align-items: flex-start; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); cursor: pointer; }
.paa-opt:hover { border-color: var(--accent); }
.paa-opt input { margin-top: 3px; }
.paa-opt-text { line-height: 1.45; }
.paa-opt.is-answer { border-color: var(--ok); background: var(--ok-soft); }
.paa-opt.is-mine-wrong { border-color: var(--danger, var(--accent)); background: var(--danger-soft, var(--accent-soft)); text-decoration: line-through; }

.paa-item-actions { display: flex; gap: 10px; margin-top: 4px; }

.paa-feedback { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-md); border: 1px solid var(--line); }
.paa-feedback.is-correct { background: var(--ok-soft); border-color: var(--ok); }
.paa-feedback.is-wrong { background: var(--danger-soft, var(--accent-soft)); border-color: var(--danger, var(--accent)); }
.paa-feedback.is-skip { background: var(--warn-soft, var(--bg)); border-color: var(--warn); }
.paa-feedback.is-error { background: var(--danger-soft, var(--accent-soft)); border-color: var(--danger, var(--accent)); }
.paa-verdict { margin: 0 0 6px; font-weight: 700; }
.paa-explain { margin: 0; line-height: 1.55; }
.paa-distractor { margin: 8px 0 0; line-height: 1.5; font-size: .92rem; color: var(--muted); }

/* Resultados -------------------------------------------------------- */
.paa-results h1 { font-size: clamp(1.6rem, 5vw, 2.3rem); margin: 4px 0 8px; }
.paa-score-card { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin: 22px 0; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.paa-score-ring {
    --p: 0; flex: 0 0 auto; width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center;
    background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--line) 0);
}
.paa-score-ring span { display: grid; place-items: center; width: 96px; height: 96px; border-radius: 50%; background: var(--surface); text-align: center; }
.paa-score-ring strong { font-size: 1.5rem; }
.paa-score-ring small { color: var(--muted); font-size: .72rem; }
.paa-score-text { flex: 1 1 240px; }
.paa-score-text p { margin: 0 0 6px; line-height: 1.5; }
.paa-delta { font-weight: 700; }
.paa-delta.is-up { color: var(--ok); }
.paa-delta.is-down { color: var(--danger, var(--muted)); }

.paa-profile { margin-top: 26px; }
.paa-profile-area { margin: 14px 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.paa-profile-area h3, .paa-mastery-area h3 { display: flex; gap: 12px; align-items: center; font-size: 1rem; margin: 0 0 8px; }
.paa-subs { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 4px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.paa-subs li { display: flex; gap: 8px; align-items: baseline; font-size: .9rem; border-bottom: 1px dashed var(--line); padding: 4px 0; }
.paa-sub-name { flex: 1; }
.paa-sub-val { font-weight: 700; white-space: nowrap; }
.paa-sub-val small { color: var(--muted); font-weight: 400; }
.paa-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); flex: 0 0 auto; }
.paa-dot-1 { background: var(--danger, var(--accent)); }
.paa-dot-2 { background: var(--warn, var(--accent)); }
.paa-dot-3 { background: var(--accent); }
.paa-dot-4 { background: var(--ok); }
.paa-dot-5 { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }

.paa-plan { margin-top: 26px; }
.paa-strong { background: var(--ok-soft); border: 1px solid var(--ok); border-radius: var(--radius-md); padding: 10px 14px; font-size: .92rem; }
.paa-plan-list { list-style: none; counter-reset: paa; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; }
.paa-plan-list li { counter-increment: paa; position: relative; padding: 14px 16px 14px 52px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.paa-plan-list li::before { content: counter(paa); position: absolute; left: 16px; top: 16px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #fff; font-weight: 700; font-size: .85rem; }
.paa-plan-kicker { display: block; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 4px; }
.paa-plan-kicker strong { color: var(--ink); }
.paa-plan-oa { font-weight: 600; color: var(--accent); }
.paa-plan-list p { margin: 4px 0 8px; font-size: .93rem; line-height: 1.5; }
.paa-actions { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px; }
.paa-actions form { display: inline; }

/* Progreso ---------------------------------------------------------- */
.paa-stat-row { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin: 20px 0; }
.paa-stat { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 14px; text-align: center; }
.paa-stat strong { display: block; font-size: 1.5rem; }
.paa-stat span { color: var(--muted); font-size: .82rem; }
.paa-mastery h2, .paa-history h2 { font-size: 1.15rem; margin-top: 28px; }
.paa-mastery-area { margin: 12px 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.paa-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.paa-table th, .paa-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.paa-table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.paa-table em { color: var(--warn, var(--muted)); font-style: normal; font-size: .8rem; }

/* Meta -------------------------------------------------------------- */
.paa-goal-hero { display: flex; gap: 14px; align-items: baseline; margin: 18px 0; padding: 16px 20px; border-radius: var(--radius-lg); background: var(--accent-soft); border: 1px solid var(--accent); }
.paa-goal-hero strong { font-size: 2.2rem; line-height: 1; }
.paa-goal-hero.is-close { border-color: var(--warn, var(--accent)); background: var(--warn-soft, var(--accent-soft)); }
.paa-goal-hero.is-past { border-color: var(--line); background: var(--bg); }
.paa-goal-form { display: grid; gap: 14px; max-width: 560px; margin: 20px 0; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.paa-goal-form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .92rem; }
.paa-goal-form label small { color: var(--muted); font-weight: 400; }
.paa-goal-form input, .paa-goal-form select { padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); color: var(--ink); font: inherit; }
.paa-goal-advice h2 { font-size: 1.1rem; }
.paa-goal-advice ul { padding-left: 18px; display: grid; gap: 8px; color: var(--muted); font-size: .93rem; }

@media (prefers-reduced-motion: reduce) {
    .paa-progress-bar { transition: none; }
    .paa-timer.is-danger { animation: none; }
}

/* Revisión post-simulacro (§11) ---------------------------------- */
.paa-review-summary { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 16px 0 22px; padding: 14px 18px; border-radius: var(--radius-lg); background: var(--accent-soft); border: 1px solid var(--accent); font-size: .95rem; }
.paa-review-summary > span:first-child strong { font-size: 1.6rem; line-height: 1; margin-right: 4px; }
.paa-review-summary .paa-link { margin-left: auto; font-weight: 600; }
.paa-chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: .82rem; font-weight: 600; border: 1px solid var(--line); background: var(--surface); }
.paa-chip.is-ok { color: var(--ok, #1a7f37); border-color: var(--ok, #1a7f37); }
.paa-chip.is-bad { color: var(--bad, #b42318); border-color: var(--bad, #b42318); }
.paa-chip.is-skip { color: var(--muted); }

.paa-review-list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 16px; counter-reset: none; }
.paa-review-item { padding: 18px 20px; border: 1px solid var(--line); border-left-width: 4px; border-radius: var(--radius-lg); background: var(--surface); }
.paa-review-item.is-correct { border-left-color: var(--ok, #1a7f37); }
.paa-review-item.is-wrong { border-left-color: var(--bad, #b42318); }
.paa-review-item.is-skip { border-left-color: var(--muted); }
.paa-review-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.paa-review-tags .paa-review-n { margin-left: auto; color: var(--muted); font-weight: 700; font-size: .85rem; }
.paa-review-prompt { margin: 0 0 12px; font-size: 1.02rem; line-height: 1.5; }
.paa-review-opts { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.paa-review-opts li { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg); color: var(--muted); }
.paa-review-opts li.is-answer { border-color: var(--ok, #1a7f37); background: color-mix(in srgb, var(--ok, #1a7f37) 9%, var(--surface)); color: var(--ink); }
.paa-review-opts li.is-mine-wrong { border-color: var(--bad, #b42318); background: color-mix(in srgb, var(--bad, #b42318) 8%, var(--surface)); color: var(--ink); text-decoration: line-through; text-decoration-thickness: 1px; }
.paa-review-flag { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 999px; background: var(--ok, #1a7f37); color: #fff; }
.paa-review-flag.is-mine { background: var(--bad, #b42318); }
.paa-review-opts li.is-answer .paa-review-flag.is-mine { background: var(--ok, #1a7f37); }
.paa-review-verdict { margin: 0 0 8px; font-weight: 700; }
.paa-review-verdict.is-ok { color: var(--ok, #1a7f37); }
.paa-review-verdict.is-bad { color: var(--bad, #b42318); }
.paa-review-verdict.is-skip { color: var(--muted); }
.paa-review-explain, .paa-review-err, .paa-review-distract { margin: 6px 0; color: var(--ink); font-size: .93rem; line-height: 1.55; }
.paa-review-err { color: var(--warn, var(--muted)); }
.paa-review-distract { color: var(--muted); }
.paa-review-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.paa-review-actions form { display: inline; }