/* Fallback palette (overridden by inline :root / scoped vars from Ajustes). */
:root{--tcb-primary:#CE2029;--tcb-accent:#F6DC04;--tcb-ink:#2B1F59;--tcb-ok:#00B894;--tcb-bad:#E84393;--tcb-muted:#636E72;--tcb-bg:#F4F4F4;--tcb-explain:#2271b1;--tcb-explain-bg:rgba(34,113,177,.10)}
.tcb-exam-container *{box-sizing:border-box}
.tcb-exam-container{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#1a1a1a;background:linear-gradient(135deg,var(--tcb-bg) 0%,#e8e8e8 100%);--tcb-pad:20px;padding:var(--tcb-pad);max-width:1100px;margin:20px auto;border-radius:16px;position:relative}

/* El aviso de tests sin terminar va pegado ENCIMA del generador, así que su
   ancho sale de aquí y no de un número escrito aparte: si mañana cambia el del
   generador, cambian los dos. */
.tcb-generator,.tcb-panel,.tcb-resume-card{max-width:820px;margin:20px auto;font-size:16px;line-height:1.5}

/* Header */
.tcb-test-header{background:var(--tcb-primary);color:#fff;padding:26px 22px;border-radius:15px;text-align:center;margin-bottom:22px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.tcb-test-header h1{color:#fff;font-size:clamp(1.5rem,3.6vw,2.2rem);font-weight:800;margin:0 0 6px}
.tcb-test-header p{opacity:.95;margin:0}

/* Generator / forms */
.tcb-box{background:#fff;border:1px solid #ececec;border-radius:12px;padding:16px 18px;margin-bottom:16px;box-shadow:0 4px 14px rgba(0,0,0,.06);overflow:hidden}
.tcb-q{font-weight:700;margin:0 0 10px;color:var(--tcb-ink)}
/* Generator boxes: turn the title into a professional header bar (like the topic groups) */
.tcb-generator .tcb-box>.tcb-q{margin:-16px -18px 16px;padding:13px 18px;background:var(--tcb-primary);color:#fff;font-weight:800;font-size:1.02rem;letter-spacing:.2px}
.tcb-box label{display:inline-flex;align-items:center;gap:6px;margin:4px 14px 4px 0}
.tcb-topic{display:flex!important;padding:8px 0;border-bottom:1px solid #eee}
.tcb-warning{padding:14px;background:#fff4f4;border:1px solid #e7b3b3;border-radius:8px;color:#7c171b;max-width:820px;margin:20px auto}

/* Buttons */
.tcb-btn{border:0;border-radius:12px;padding:14px 24px;font-weight:800;cursor:pointer;font-size:16px;transition:transform .2s,box-shadow .2s,background .2s}
.tcb-btn-primary{background:var(--tcb-primary);color:var(--tcb-btn-ink,#fff)!important}
/* EL `!important` NO ES PEREZA. Estos botones son ENLACES (`<a>`), y una regla
   tan corriente como `.elementor-widget-container a{color:#0b2545}` pesa (0,1,1)
   frente al (0,1,0) de una clase: el tema gana y les repinta el texto de su
   color de enlace. Cuando ese color coincide con el fondo del botón, el texto
   sigue ahí y NO SE VE — un rectángulo de color vacío. Le pasó al «Continuar»
   de los tests sin terminar. La variable deja el color configurable; el
   `!important` deja fuera al tema. */
.tcb-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.16);filter:brightness(.95)}
.tcb-controls{display:flex;justify-content:center;gap:14px;margin:26px 0}

/* Timer + progress */
.tcb-timer{position:sticky;top:0;background:var(--tcb-ink);color:#fff;text-align:center;padding:8px;border-radius:8px;font-weight:700;margin-bottom:14px;z-index:5}
.tcb-perq-timer{flex:1 1 auto;text-align:center;padding:8px 10px;border-radius:8px;font-weight:800;background:var(--tcb-primary,#e90074);color:#fff;letter-spacing:.3px}
.tcb-perq-misses{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:8px;background:#fff4f4;border:1px solid #e7b3b3;color:#7c171b;font-weight:700;font-size:.9rem;white-space:nowrap}
.tcb-perq-misses b{font-size:1.05rem}
.tcb-perq-misses.flash{animation:tcbMiss .6s ease}
@keyframes tcbMiss{0%{background:#d63638;color:#fff;transform:scale(1.08)}100%{background:#fff4f4;color:#7c171b;transform:scale(1)}}
.tcb-start-perq{background:#fff7fb;border:1px solid #f3b7d6;color:#7a1450;border-radius:10px;padding:10px 14px;margin:0 0 14px;font-size:.95rem}
/* Generator: mode info icon + centered modal */
.tcb-modeinfo-btn{display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;margin-left:6px;width:24px;height:24px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.18);color:inherit;cursor:pointer;line-height:0;transition:background .15s}
.tcb-modeinfo-btn:hover{background:rgba(255,255,255,.35)}
.tcb-modeinfo-modal{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:20px}
.tcb-modeinfo-modal[hidden]{display:none}
.tcb-modeinfo-backdrop{position:absolute;inset:0;background:rgba(15,18,28,.55);backdrop-filter:blur(2px)}
.tcb-modeinfo-dialog{position:relative;z-index:1;width:min(520px,100%);max-height:80vh;overflow:auto;background:#fff;border-radius:14px;border-top:5px solid var(--tcb-mi-accent,#e90074);box-shadow:0 24px 60px rgba(0,0,0,.35);padding:26px 28px;animation:tcbMiIn .18s ease}
@keyframes tcbMiIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.tcb-modeinfo-title{margin:0 0 12px;color:var(--tcb-mi-accent,#e90074);font-size:1.3rem;font-weight:800}
.tcb-modeinfo-body{color:#2a2f3a;line-height:1.55;font-size:1rem}
.tcb-modeinfo-body p{margin:0 0 10px}
.tcb-modeinfo-body ul{margin:0 0 10px 18px}
.tcb-modeinfo-close{position:absolute;top:10px;right:12px;width:34px;height:34px;border:0;background:transparent;color:#8a9099;font-size:26px;line-height:1;cursor:pointer;border-radius:8px}
.tcb-modeinfo-close:hover{background:#f0f1f4;color:#333}
.tcb-start-reto{background:#fff2ea;border-color:#f5b78c;color:#8a3b12;font-weight:600}
.tcb-reto-chip{display:inline-block;background:linear-gradient(90deg,#ff7a18,#e90074);color:#fff;font-weight:800;border-radius:999px;padding:2px 10px;font-size:.8rem;letter-spacing:.3px}
.tcb-mode-chip{display:inline-flex;align-items:center;gap:5px;font-weight:800;border-radius:999px;padding:3px 12px;font-size:.8rem;letter-spacing:.2px;line-height:1.4;white-space:nowrap}
.tcb-mode-chip-i{font-size:.95em;line-height:1}
.tcb-reto-perfect{display:inline-block;background:#1a7f37;color:#fff;font-weight:700;border-radius:999px;padding:2px 8px;font-size:.75rem;margin-left:4px}
.tcb-reto-of{color:#9aa0a6;font-size:.85rem;margin-left:2px}
.tcb-progress{background:#fff;border-radius:12px;padding:14px 16px;margin-bottom:18px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.tcb-progress-bar{width:100%;height:14px;background:#eee;border-radius:10px;overflow:hidden}
.tcb-progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--tcb-primary),var(--tcb-accent));border-radius:10px;transition:width .25s}
.tcb-progress-text{text-align:center;margin-top:8px;font-weight:700;color:var(--tcb-ink)}

/* Question cards */
.tcb-question{background:#fff;border-radius:15px;padding:20px 22px;margin-bottom:16px;box-shadow:0 8px 22px rgba(0,0,0,.07);border-left:5px solid var(--tcb-primary)}
.tcb-question-number{display:inline-block;color:var(--tcb-primary);font-weight:800;font-size:.9rem;margin-bottom:10px;padding:5px 12px;background:rgba(0,0,0,.05);border-radius:18px}
.tcb-qtext{font-size:clamp(1rem,2.4vw,1.1rem);line-height:1.55;margin-bottom:14px;color:var(--tcb-ink);font-weight:600}
.tcb-answers{list-style:none;margin:0;padding:0}
.tcb-option{margin:10px 0;border-radius:12px;border:2px solid #f0f0f0;background:#fff;transition:background .2s,border-color .2s,box-shadow .2s}
.tcb-option:hover{background:rgba(0,0,0,.02);border-color:var(--tcb-accent)}
.tcb-option.selected{background:rgba(0,0,0,.03);border-color:var(--tcb-primary);box-shadow:0 4px 12px rgba(0,0,0,.10)}
.tcb-option label{cursor:pointer;display:flex;align-items:flex-start;gap:10px;width:100%;padding:13px 14px;user-select:none}
.tcb-option input[type=radio]{margin-top:3px;width:18px;height:18px;accent-color:var(--tcb-primary);flex:0 0 18px}
.tcb-option strong{color:var(--tcb-primary)}
.tcb-report-link{margin-top:10px;background:none;border:0;color:var(--tcb-primary);cursor:pointer;text-decoration:underline;font-size:13px;padding:0}
.tcb-report-box{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.tcb-report-box textarea{flex:1 1 100%;min-height:60px;border-radius:8px;padding:8px}

/* Results */
.tcb-results{background:#fff;border-radius:15px;padding:24px;margin-bottom:18px;box-shadow:0 10px 26px rgba(0,0,0,.08);text-align:center}
.tcb-results h2{color:var(--tcb-ink);margin-bottom:10px}
.tcb-score{font-size:clamp(2.4rem,8vw,3.4rem);font-weight:900;color:var(--tcb-primary);margin:6px 0}
.tcb-score-unit{font-size:1rem;font-weight:700;color:var(--tcb-muted)}
.tcb-verdict{font-weight:900;font-size:1.2rem;margin:4px 0 8px}
.tcb-pass{color:var(--tcb-ok)}.tcb-fail{color:var(--tcb-bad)}
.tcb-score-details{display:grid;grid-template-columns:repeat(4,minmax(110px,1fr));gap:14px;margin:18px 0 6px}
.tcb-score-item{background:rgba(0,0,0,.03);padding:16px;border-radius:10px;border:2px solid #eee}
.tcb-score-item h3{color:var(--tcb-ink);margin:0 0 6px;font-size:.9rem}
.tcb-score-item .number{font-size:1.8rem;font-weight:900;color:var(--tcb-ink)}
.tcb-si-ok .number{color:var(--tcb-ok)}.tcb-si-bad .number{color:var(--tcb-bad)}.tcb-si-none .number{color:var(--tcb-muted)}
.tcb-formula-explanation{background:rgba(43,31,89,.05);padding:16px;border-radius:10px;margin:16px 0 0;text-align:left;border-left:4px solid var(--tcb-ink)}
.tcb-formula-explanation h3{color:var(--tcb-primary);margin:0 0 8px;font-size:1.02rem}
.tcb-note{font-size:.88rem;color:var(--tcb-muted);margin-top:6px}

/* Review */
.tcb-answer-review{background:#fff;border-radius:15px;padding:22px;box-shadow:0 10px 26px rgba(0,0,0,.08)}
.tcb-answer-review h2{color:var(--tcb-ink);border-bottom:3px solid var(--tcb-primary);padding-bottom:12px;margin-bottom:16px}
.tcb-answer-item{border:2px solid #f0f0f0;border-radius:12px;padding:16px;margin-bottom:14px}
.tcb-answer-question{color:var(--tcb-ink);font-weight:700;margin-bottom:10px}
.tcb-answer-options{list-style:none;margin:0;padding:0}
.tcb-answer-options li{padding:8px 12px;border-radius:8px;margin:4px 0;border:1.5px solid transparent}
.tcb-answer-options li.tcb-correct{background:rgba(26,127,55,.14);border-color:#1a7f37;color:#14532d}
.tcb-answer-options li.tcb-wrong{background:rgba(214,54,56,.14);border-color:#d63638;color:#7a1416}
.tcb-answer-options strong{color:var(--tcb-primary)}
.tcb-answer-options li.tcb-correct strong{color:#1a7f37}
.tcb-answer-options li.tcb-wrong strong{color:#d63638}
.tcb-tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;background:rgba(0,0,0,.08);color:#333;margin-left:6px}
.tcb-tag-ok{background:#1a7f37;color:#fff}
.tcb-tag-bad{background:#d63638;color:#fff}
/* Unified answer-explanation box (instant test feedback + results sheet),
   driven by the configurable --tcb-explain color. */
.tcb-explain{margin-top:12px;padding:12px 16px;border-radius:10px;background:var(--tcb-explain-bg,rgba(34,113,177,.10));border-left:4px solid var(--tcb-explain,#2271b1);line-height:1.55}
.tcb-explain-label{display:block;font-weight:800;font-size:.78rem;letter-spacing:.02em;text-transform:uppercase;color:var(--tcb-explain,#2271b1);margin-bottom:4px}
.tcb-explain-body{color:#3a3a3a}
.tcb-explain-body p{margin:0 0 .5em}
.tcb-explain-body p:last-child{margin-bottom:0}

/* Marca de estado por pregunta + aspecto de "sin responder" */
.tcb-rev-chip{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.02em;padding:2px 10px;border-radius:12px;margin-left:8px;vertical-align:middle;text-transform:uppercase}
.tcb-chip-ok{background:#1a7f37;color:#fff}
.tcb-chip-bad{background:#d63638;color:#fff}
.tcb-chip-none{background:#e9ecf2;color:#555}
.tcb-answer-item.tcb-rev-correct{border-color:#bfe3c8}
.tcb-answer-item.tcb-rev-incorrect{border-color:#f3c0c1}
.tcb-answer-item.tcb-rev-unanswered{border-color:#dfe3ea;background:#fafbfc}
.tcb-unanswered-note{margin:8px 0 0;color:#6b7280;font-size:13px}

/* Panel */
.tcb-panel-cards{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.tcb-card{flex:1 1 140px;background:#fff;border-radius:12px;padding:18px;text-align:center;display:flex;flex-direction:column;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.tcb-card-num{font-size:34px;font-weight:800;line-height:1;color:var(--tcb-ink)}
.tcb-card-ok .tcb-card-num{color:var(--tcb-ok)}.tcb-card-bad .tcb-card-num{color:var(--tcb-bad)}
.tcb-history{width:100%;border-collapse:collapse;border-radius:10px;overflow:hidden;box-shadow:0 0 0 1px #ececec}
.tcb-history thead th{background:var(--tcb-primary);color:#fff;padding:11px 10px;text-align:left;font-size:14px;font-weight:700;border:0}
.tcb-history tbody td{border-bottom:1px solid #eee;padding:10px;text-align:left;font-size:14px;color:var(--tcb-ink)}
.tcb-history tbody tr:nth-child(even){background:rgba(0,0,0,.025)}
.tcb-history tbody tr:hover{background:color-mix(in srgb,var(--tcb-primary) 8%,#fff)}

@media(max-width:768px){.tcb-exam-container{--tcb-pad:12px;padding:var(--tcb-pad)}.tcb-controls{flex-direction:column;align-items:center}.tcb-btn{width:100%;max-width:340px}.tcb-score-details{grid-template-columns:repeat(2,1fr)}}

/* Topic groups in the generator: one box per category */
.tcb-topics-label{font-weight:700;color:var(--tcb-ink);margin:18px 0 12px;font-size:1.05rem}
.tcb-topics{display:flex;flex-direction:column;gap:16px}
.tcb-topic-box{background:#fff;border:1px solid #ececec;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.tcb-topic-box-header{background:var(--tcb-primary);color:#fff;font-weight:800;padding:13px 18px;display:flex;align-items:center;gap:10px;font-size:1.02rem;cursor:pointer}
.tcb-topic-all{width:17px;height:17px;flex:0 0 17px;cursor:pointer;accent-color:var(--tcb-accent);margin:0}
.tcb-topic-box-body{padding:4px 18px}
.tcb-topic{display:flex!important;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid #f1f1f1;margin:0}
.tcb-topic:last-child{border-bottom:0}
.tcb-topic input[type=checkbox]{width:18px;height:18px;accent-color:var(--tcb-primary);flex:0 0 18px}
.tcb-topic strong{color:var(--tcb-muted);font-weight:700;margin-left:auto}

/* ===== Panel: stats, chart, weak points ===== */
.tcb-panel{max-width:920px}
.tcb-panel-head h2{margin:0 0 2px;color:var(--tcb-ink)}
.tcb-panel-head p{margin:0 0 16px;color:var(--tcb-muted)}
.tcb-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.tcb-kpi{background:#fff;border-radius:14px;padding:16px;text-align:center;box-shadow:0 4px 14px rgba(0,0,0,.06);border-top:4px solid var(--tcb-primary)}
.tcb-kpi-num{display:block;font-size:1.9rem;font-weight:900;color:var(--tcb-ink);line-height:1}
.tcb-kpi-label{display:block;margin-top:4px;font-size:.82rem;color:var(--tcb-muted);font-weight:600}
.tcb-panel-cards{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.tcb-card2{flex:1 1 160px;background:#fff;border-radius:14px;padding:16px;text-align:center;display:flex;flex-direction:column;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.tcb-card2 .tcb-card-num{font-size:30px;font-weight:800;line-height:1;color:var(--tcb-ink)}
.tcb-card2.tcb-card-ok .tcb-card-num{color:var(--tcb-ok)}
.tcb-card2.tcb-card-bad .tcb-card-num{color:var(--tcb-bad)}
.tcb-card2 span:last-child{font-size:.85rem;color:var(--tcb-muted);margin-top:4px}
.tcb-panel-section{background:#fff;border-radius:14px;padding:18px 20px;margin-bottom:18px;box-shadow:0 4px 14px rgba(0,0,0,.06);border-top:4px solid var(--tcb-primary)}
.tcb-panel-section h3{margin:0 0 14px;color:var(--tcb-ink);padding-bottom:8px;border-bottom:2px solid var(--tcb-primary)}
.tcb-muted{color:var(--tcb-muted)}
.tcb-tip{font-size:.86rem;margin-top:10px}

/* Chart */
.tcb-chart{width:100%;height:auto;display:block}
.tcb-chart-grid{stroke:#e9e9ef;stroke-width:1}
.tcb-chart-axis{fill:var(--tcb-muted);font-size:11px;font-family:inherit}
.tcb-chart-line{stroke:var(--tcb-primary);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.tcb-chart-dot{fill:#fff;stroke:var(--tcb-primary);stroke-width:2}

/* Weak-point bars */
.tcb-bars{display:flex;flex-direction:column;gap:10px}
.tcb-bar-row{display:grid;grid-template-columns:1fr 2fr auto;gap:12px;align-items:center}
.tcb-bar-label{font-weight:600;color:var(--tcb-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tcb-bar-track{background:#eee;border-radius:8px;height:16px;overflow:hidden}
.tcb-bar-fill{height:100%;border-radius:8px;transition:width .3s}
.tcb-bar-low{background:var(--tcb-bad)}
.tcb-bar-mid{background:#e0a800}
.tcb-bar-high{background:var(--tcb-ok)}
.tcb-bar-val{font-weight:800;color:var(--tcb-ink);white-space:nowrap;font-size:.9rem}
.tcb-bar-sub{font-weight:600;color:var(--tcb-muted);font-size:.8rem}

@media(max-width:768px){.tcb-kpis{grid-template-columns:repeat(2,1fr)}.tcb-bar-row{grid-template-columns:1fr 1.4fr auto}}

/* ===== Start screen, toolbar, pause, fullscreen ===== */
.tcb-hidden{display:none!important}
.tcb-start{background:#fff;border-radius:15px;padding:28px 22px;text-align:center;box-shadow:0 8px 22px rgba(0,0,0,.07);border-top:5px solid var(--tcb-primary)}
.tcb-start-info{font-size:1.15rem;color:var(--tcb-ink);margin:0 0 6px}
.tcb-start-hint{color:var(--tcb-muted);margin:0 0 18px;font-size:.95rem}
.tcb-start-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.tcb-btn-ghost{background:transparent;border:2px solid var(--tcb-primary);color:var(--tcb-primary)}
.tcb-btn-ghost:hover{background:rgba(0,0,0,.04)}
/* PEGADA ARRIBA Y OPACA. Es `sticky`, así que en cuanto el alumno baja se queda
   en el borde de la pantalla con las preguntas pasando por debajo: sin fondo
   propio se leían a través de ella. Sale del relleno del recuadro con márgenes
   negativos y se lo devuelve como relleno propio, para tapar todo su ancho. */
.tcb-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;position:sticky;top:0;z-index:6;background:#fff;margin:0 calc(-1 * var(--tcb-pad,0px)) 14px;padding:9px var(--tcb-pad,0px);border-bottom:1px solid #d7dbe3}
/* El `top` de esta barra lo pone el JavaScript, que MIDE dónde está de verdad la
   barra de administración de WordPress: la clase `admin-bar` del `<body>` no
   dice dónde está, y en el móvil WordPress la suelta (o el tema la esconde). */
.tcb-toolbar .tcb-timer{margin:0;flex:1 1 auto}
.tcb-btn-sm{border:0;border-radius:8px;padding:8px 14px;font-weight:700;cursor:pointer;background:var(--tcb-ink);color:#fff;font-size:14px}
.tcb-btn-sm:hover{filter:brightness(1.08)}
.tcb-pause-btn{background:#e0a800;color:#3a2c00}
.tcb-paused .tcb-question{filter:blur(4px);opacity:.6}
.tcb-pause-overlay{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.tcb-pause-card{background:#fff;border-radius:16px;padding:30px 36px;text-align:center;box-shadow:0 16px 40px rgba(0,0,0,.22);border-top:5px solid var(--tcb-primary);max-width:90vw}
.tcb-pause-title{font-weight:800;color:var(--tcb-ink);font-size:1.35rem;margin-bottom:4px}
.tcb-pause-sub{color:var(--tcb-muted);margin:0 0 18px}
/* Fullscreen: give the container a solid surface and scroll */
/* SIN RELLENO ARRIBA. Con `padding:28px` la barra del reloj se quedaba pegada a
   28px del borde y por esos 28px pasaban las preguntas a la vista: dos barras
   que no tapan lo que tienen detrás no son una cabecera, son un estorbo. El
   relleno de arriba se lo pone la propia barra. */
.tcb-exam-container:fullscreen{overflow:auto;max-width:none;border-radius:0;--tcb-pad:28px;padding:0 var(--tcb-pad) var(--tcb-pad);background:linear-gradient(135deg,var(--tcb-bg) 0%,#e8e8e8 100%)}
.tcb-exam-container:-webkit-full-screen{overflow:auto;max-width:none;border-radius:0;--tcb-pad:28px;padding:0 var(--tcb-pad) var(--tcb-pad)}
/* Y la barra del reloj, de borde a borde y OPACA: sale del relleno lateral con
   márgenes negativos y se lo devuelve como relleno propio, para que no quede ni
   un hueco por el que se lea el enunciado que hay detrás. */

/* ===== Generator controls: slider, segmented pills, stepper ===== */
.tcb-generator .tcb-range{display:flex;align-items:center;gap:16px}
.tcb-generator .tcb-slider{-webkit-appearance:none;appearance:none;height:10px;border-radius:6px;flex:1;outline:none;background:linear-gradient(90deg,var(--tcb-primary),var(--tcb-accent))}
.tcb-generator .tcb-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;border:4px solid var(--tcb-primary);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.25)}
.tcb-generator .tcb-slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;border:4px solid var(--tcb-primary);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.25)}
.tcb-generator .tcb-range-val{font-weight:900;color:var(--tcb-primary);font-size:1.6rem;min-width:2.2em;text-align:center}
.tcb-generator .tcb-range-minmax{display:flex;justify-content:space-between;color:var(--tcb-muted);font-size:.85rem;margin-top:4px;max-width:calc(100% - 3.4em)}

.tcb-generator .tcb-seg{display:flex;flex-wrap:wrap;gap:10px;width:100%}
.tcb-generator .tcb-seg-opt{position:relative;display:block;cursor:pointer;margin:0;flex:1 1 140px}
.tcb-generator .tcb-seg-opt input{position:absolute;inset:0;opacity:0;cursor:pointer;margin:0}
.tcb-generator .tcb-seg-opt span{display:block;text-align:center;padding:12px 18px;border-radius:10px;border:2px solid #e3e3e3;font-weight:700;color:var(--tcb-ink);background:#fff;transition:all .15s}
.tcb-generator .tcb-seg-opt input:checked + span{background:var(--tcb-primary);color:#fff;border-color:var(--tcb-primary);box-shadow:0 3px 8px rgba(0,0,0,.12)}
.tcb-generator .tcb-seg-opt input:focus-visible + span{outline:3px solid var(--tcb-accent);outline-offset:2px}

.tcb-generator .tcb-stepper{display:flex;align-items:center;gap:8px;margin-top:14px;flex-wrap:wrap}
.tcb-generator .tcb-step-up,.tcb-generator .tcb-step-dn{width:40px;height:40px;border:0;border-radius:9px;background:var(--tcb-primary);color:#fff;font-size:22px;font-weight:800;cursor:pointer;line-height:1;display:flex;align-items:center;justify-content:center}
.tcb-generator .tcb-step-up:hover,.tcb-generator .tcb-step-dn:hover{filter:brightness(.92)}
.tcb-generator .tcb-step-input{width:84px;text-align:center;font-weight:800;font-size:1.05rem;color:var(--tcb-ink);border:2px solid #e3e3e3;border-radius:9px;padding:9px;-moz-appearance:textfield}
.tcb-generator .tcb-step-input::-webkit-outer-spin-button,.tcb-generator .tcb-step-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.tcb-generator .tcb-step-input:focus{outline:none;border-color:var(--tcb-primary)}
.tcb-generator .tcb-step-label{color:var(--tcb-muted);font-size:.9rem}

/* ===== Risk mode ===== */
.tcb-question{position:relative}
.tcb-risk-toggle{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;gap:5px;border:2px solid #e0a800;background:#fff;color:#9a7600;font-weight:800;font-size:.82rem;padding:5px 11px;border-radius:20px;cursor:pointer;line-height:1;transition:all .15s}
.tcb-risk-toggle:hover{background:#fff7e0}
.tcb-risk-toggle.on{background:#e0a800;color:#fff;border-color:#e0a800;box-shadow:0 2px 8px rgba(224,168,0,.4)}
.tcb-question.tcb-risked{box-shadow:0 0 0 2px #e0a800 inset}
@media(max-width:600px){.tcb-risk-toggle span{display:none}.tcb-risk-toggle{padding:6px 9px}}

.tcb-risk-intro{text-align:center}
.tcb-risk-intro h2{color:var(--tcb-accent);margin-top:0}
.tcb-risk-compare{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.tcb-risk-mini{background:#fff;border-radius:14px;padding:16px 26px;box-shadow:0 4px 14px rgba(0,0,0,.08);min-width:180px}
.tcb-risk-mini.safe{border-top:4px solid var(--tcb-ok)}
.tcb-risk-mini.risk{border-top:4px solid var(--tcb-accent)}
.tcb-risk-mini-t{display:block;font-weight:700;color:var(--tcb-muted);font-size:.9rem}
.tcb-risk-mini-s{display:block;font-weight:900;font-size:2rem;color:var(--tcb-ink);line-height:1.2}
.tcb-risk-mini small{color:var(--tcb-muted)}
.tcb-results-label{display:inline-block;background:var(--tcb-accent);color:#fff;font-weight:800;padding:6px 16px;border-radius:20px;margin-bottom:6px;letter-spacing:.5px}

/* Risk results switcher */
.tcb-risk-switch{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.tcb-risk-sw-btn{border:2px solid var(--tcb-primary);background:#fff;color:var(--tcb-primary);font-weight:800;padding:10px 22px;border-radius:10px;cursor:pointer;font-size:1rem}
.tcb-risk-sw-btn.on{background:var(--tcb-primary);color:#fff;box-shadow:0 3px 10px rgba(0,0,0,.15)}
.tcb-sw-side{font-weight:800;color:var(--tcb-muted)}
.tcb-sw-side.on{color:var(--tcb-primary)}
.tcb-sw-toggle{position:relative;display:inline-block;width:58px;height:30px;cursor:pointer}
.tcb-sw-toggle input{position:absolute;opacity:0;width:0;height:0}
.tcb-sw-ui{position:absolute;inset:0;background:var(--tcb-ok);border-radius:30px;transition:background .2s}
.tcb-sw-ui:before{content:"";position:absolute;height:24px;width:24px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.tcb-sw-toggle input:checked + .tcb-sw-ui{background:var(--tcb-accent)}
.tcb-sw-toggle input:checked + .tcb-sw-ui:before{transform:translateX(28px)}

/* Historial: enlace "Ver" y barra de revisión de un resultado guardado */
.tcb-hist-view{display:inline-flex;align-items:center;color:var(--tcb-primary,#2271b1)!important;text-decoration:none;padding:2px 4px;border-radius:6px;line-height:0}
.tcb-hist-view:hover{background:rgba(34,113,177,.12)}
.tcb-btn-secondary{display:inline-block;padding:9px 16px;border-radius:10px;border:2px solid var(--tcb-primary);color:var(--tcb-btn2-ink,var(--tcb-primary))!important;background:transparent;font-weight:700;text-decoration:none}
.tcb-btn-secondary:hover{background:rgba(0,0,0,.04)}
.tcb-review-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.tcb-review-meta{color:var(--tcb-muted);font-size:14px}
.tcb-review-saved .tcb-exam-container{padding-top:0}

/* Historial: borrado self-service */
.tcb-hist-tools{display:flex;justify-content:flex-end;margin-bottom:10px}
.tcb-hist-delsel{border:0;background:var(--tcb-bad,#d63638);color:#fff;border-radius:8px;padding:8px 14px;font-weight:700;cursor:pointer;font-size:13px}
.tcb-hist-delsel:hover{filter:brightness(.95)}
.tcb-history th.tcb-hist-ck,.tcb-history td.tcb-hist-ck{width:34px;text-align:center}
.tcb-hist-actions{display:flex;align-items:center;gap:12px;white-space:nowrap}
.tcb-hist-dl{display:inline-flex;align-items:center;color:var(--tcb-primary,#2271b1)!important;text-decoration:none;padding:2px 4px;border-radius:6px}
.tcb-hist-dl:hover{background:rgba(34,113,177,.12)}
.tcb-hist-del-one{border:0;background:transparent;color:var(--tcb-bad,#d63638);cursor:pointer;line-height:0;padding:2px 4px;border-radius:6px;display:inline-flex;align-items:center}
.tcb-hist-del-one:hover{background:rgba(214,54,56,.12)}
.tcb-hist-notice{background:#eaf7ee;border:1px solid #b7e0c4;color:#1a7f37;border-radius:8px;padding:8px 12px;font-size:14px;margin-bottom:10px}

/* Acciones por pregunta: dejar en blanco / reportar */
.tcb-q-actions{display:flex;gap:16px;align-items:center;margin-top:10px;flex-wrap:wrap}
.tcb-clear-link{border:0;background:transparent;color:var(--tcb-muted,#777);cursor:pointer;font-size:13px;text-decoration:underline;padding:0}
.tcb-clear-link:hover{color:var(--tcb-ink,#222)}

/* Cabecera de pregunta: número + revisar + riesgo */
.tcb-q-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.tcb-review-toggle{border:1.5px solid #e0a800;background:#fff;color:#9a7400;border-radius:8px;padding:3px 10px;font-size:12px;font-weight:700;cursor:pointer;line-height:1.6}
.tcb-review-toggle.on{background:#ffefb8;border-color:#e0a800;color:#7a5b00}
.tcb-question.tcb-reviewing{box-shadow:inset 4px 0 0 #e0a800}

/* Navegador de preguntas */
.tcb-nav{background:#fff;border:1px solid #ececec;border-radius:12px;padding:12px 14px;margin:0 0 18px}
.tcb-nav-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tcb-nav-title{font-weight:700;color:var(--tcb-ink,#222);font-size:14px}
.tcb-nav-legend{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--tcb-muted,#777);font-size:12px}
.tcb-lg{display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:2px;vertical-align:-2px}
.tcb-lg-ans{background:var(--tcb-primary,#2271b1)}
.tcb-lg-blank{background:#fff;border:1.5px solid #cfd3dc}
.tcb-lg-rev{background:#fff;border:2px solid #e0a800}
.tcb-nav-grid{display:flex;flex-wrap:wrap;gap:6px}
.tcb-nav-cell{width:34px;height:34px;border:1.5px solid #cfd3dc;background:#fff;color:var(--tcb-ink,#222);border-radius:8px;font-size:13px;font-weight:700;cursor:pointer;position:relative;padding:0}
.tcb-nav-cell:hover{border-color:var(--tcb-primary,#2271b1)}
.tcb-nav-cell.is-answered{background:var(--tcb-primary,#2271b1);border-color:var(--tcb-primary,#2271b1);color:#fff}
.tcb-nav-cell.is-review{border-color:#e0a800;border-width:2.5px}
.tcb-nav-cell.is-risk::after{content:"\26A1";position:absolute;top:-6px;right:-4px;font-size:11px}

/* Resaltado al saltar a una pregunta */
.tcb-question.tcb-flash{animation:tcbFlash .9s ease}
@keyframes tcbFlash{0%{background:rgba(34,113,177,.16)}100%{background:transparent}}

/* Opt-in de modo riesgo en el generador */
.tcb-risk-optin{display:inline-flex;align-items:center;gap:12px;font-weight:600;color:var(--tcb-ink,#222);cursor:pointer}

/* Selects del generador / repaso con estilo propio (sin look nativo) */
.tcb-generator select{
  -webkit-appearance:none;-moz-appearance:none;appearance:none;
  width:100%;border:2px solid #e6e6ee;border-radius:12px;
  padding:12px 42px 12px 14px;font-size:15px;color:var(--tcb-ink,#222);
  background-color:#fff;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  cursor:pointer;line-height:1.3}
.tcb-generator select:focus{outline:none;border-color:var(--tcb-primary,#2271b1);box-shadow:0 0 0 3px rgba(34,113,177,.18)}

/* Avisos del frontend (estilo unificado) */
.tcb-notice{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:12px;max-width:820px;margin:18px auto;font-size:15px;line-height:1.45}
.tcb-notice-icon{flex:none;width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.tcb-notice-text{flex:1;min-width:0}
.tcb-notice-warning{background:#fff4f4;border:1px solid #e7b3b3;color:#7c171b}
.tcb-notice-warning .tcb-notice-icon{background:#d63638;color:#fff}
.tcb-notice-info{background:#eef4ff;border:1px solid #b6cdf3;color:#1c3d70}
.tcb-notice-info .tcb-notice-icon{background:#2b6cdb;color:#fff}
.tcb-login-link{display:inline-block;margin-left:8px;font-weight:700;color:inherit!important;text-decoration:underline}
.tcb-pw-gate{max-width:480px;margin:24px auto}
.tcb-pw-lock{font-size:2.4rem;margin:0 0 6px}
.tcb-pw-error{color:#7c171b;background:#fff4f4;border:1px solid #e7b3b3;border-radius:8px;padding:8px 12px;margin:0 0 12px;font-size:.95rem}
.tcb-pw-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.tcb-pw-input{padding:10px 14px;border:1px solid #cfd6e4;border-radius:10px;font-size:1rem;min-width:220px}
.tcb-pw-input:focus{outline:none;border-color:var(--tcb-primary);box-shadow:0 0 0 3px rgba(0,0,0,.06)}

/* Documentos descargables en la pantalla de inicio del examen */
.tcb-start-docs{margin:16px 0;background:#f6f8fb;border:1px solid #e4e8ef;border-radius:12px;padding:14px 16px;text-align:left}
.tcb-start-docs-title{margin:0 0 10px;font-weight:700;color:var(--tcb-ink,#222)}
.tcb-doc-btns{display:flex;flex-direction:column;gap:8px}
.tcb-doc-item{display:flex;align-items:center;gap:12px;width:100%;box-sizing:border-box;padding:10px 14px;border:2px solid transparent;font-weight:700;line-height:1.3}
.tcb-doc-name{flex:1;min-width:0;word-break:break-word}
.tcb-doc-acts{flex:none;display:inline-flex;align-items:center;gap:4px}
.tcb-doc-act{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;color:inherit!important;text-decoration:none;cursor:pointer;transition:background .12s ease}
.tcb-doc-act:hover{background:rgba(255,255,255,.22)}
.tcb-doc-act svg{display:block}

/* Botón deshabilitado (sin falladas en la categoría) */
.tcb-btn-disabled{opacity:.5;cursor:not-allowed;pointer-events:none}

/* Visualización de los temas en el generador */
.tcb-topics-cols2 .tcb-topic-box-body,
.tcb-topics-cols3 .tcb-topic-box-body,
.tcb-topics-auto .tcb-topic-box-body{display:grid;gap:10px 14px;align-items:stretch;padding-top:10px;padding-bottom:10px}
.tcb-topics-cols2 .tcb-topic-box-body{grid-template-columns:repeat(2,minmax(0,1fr))}
.tcb-topics-cols3 .tcb-topic-box-body{grid-template-columns:repeat(3,minmax(0,1fr))}
.tcb-topics-auto .tcb-topic-box-body{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.tcb-topics-cols2 .tcb-topic,
.tcb-topics-cols3 .tcb-topic,
.tcb-topics-auto .tcb-topic{border:1px solid #e7e9ef!important;border-radius:10px;padding:10px 12px;margin:0;background:#fafbfc;min-width:0}
.tcb-topics-cols2 .tcb-topic strong,
.tcb-topics-cols3 .tcb-topic strong,
.tcb-topics-auto .tcb-topic strong{flex:0 0 auto}
@media(max-width:640px){.tcb-topics-cols2 .tcb-topic-box-body,.tcb-topics-cols3 .tcb-topic-box-body,.tcb-topics-auto .tcb-topic-box-body{grid-template-columns:1fr}}
.tcb-topics-chips .tcb-topic-box-body{display:flex;flex-wrap:wrap;gap:8px}
.tcb-topics-chips .tcb-topic{border:1.5px solid #e0e3ea;border-radius:999px;padding:6px 14px;margin:0;background:#fff}
.tcb-topics-chips .tcb-topic:hover{border-color:var(--tcb-primary)}

/* Nombre del alumno en la hoja de resultados */
.tcb-results-student{margin:2px 0 10px;color:var(--tcb-muted,#636E72);font-size:.95rem}
.tcb-results-student strong{color:var(--tcb-ink,#2B1F59)}

/* ===== Shortcodes: ranking, estadísticas, catálogo ===== */
.tcb-rank-title{color:var(--tcb-ink);font-weight:800;margin:0 0 14px;font-size:1.15rem}
.tcb-empty{color:var(--tcb-muted);margin:6px 0}
.tcb-cat-back{margin:0 0 14px}

/* Ranking */
.tcb-rank-scroll{overflow-x:auto}
.tcb-rank-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #ececec;border-radius:12px;overflow:hidden}
.tcb-rank-table th,.tcb-rank-table td{padding:11px 14px;text-align:left;border-bottom:1px solid #f1f1f1}
.tcb-rank-table thead th{background:var(--tcb-primary);color:#fff;font-weight:700}
.tcb-rank-table tbody tr:last-child td{border-bottom:0}
.tcb-rank-table td:nth-child(3),.tcb-rank-table td:nth-child(4),.tcb-rank-table td:nth-child(5),
.tcb-rank-table th:nth-child(3),.tcb-rank-table th:nth-child(4),.tcb-rank-table th:nth-child(5){text-align:center}
.tcb-rank-me{background:color-mix(in srgb,var(--tcb-accent) 18%,#fff)}
.tcb-rank-me td{font-weight:800}
.tcb-rank-medal{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;color:#fff;font-weight:800;font-size:12px;background:var(--tcb-muted)}
.tcb-rank-m1{background:#d4af37}.tcb-rank-m2{background:#9aa1ad}.tcb-rank-m3{background:#cd7f32}

/* Estadísticas del alumno */
.tcb-sc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.tcb-sc{background:#fff;border:1px solid #ececec;border-left:5px solid var(--tcb-primary);border-radius:12px;padding:16px 18px;display:flex;flex-direction:column;gap:2px}
.tcb-sc-num{font-size:1.8rem;font-weight:900;color:var(--tcb-ink);line-height:1}
.tcb-sc-lab{color:var(--tcb-muted);font-weight:600;font-size:.9rem}
.tcb-sc-evo{margin-top:18px}
.tcb-sc-evo-title{color:var(--tcb-ink);font-size:1rem;margin:0 0 8px}

/* Mini-gráfico de barras (estadísticas) */
.tcb-bars-chart{display:flex;align-items:flex-end;gap:6px;height:150px;padding-top:10px;overflow-x:auto}
.tcb-chart-col{flex:1;min-width:26px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px}
.tcb-chart-bar{display:block;width:62%;min-height:2px;background:var(--tcb-primary);border-radius:5px 5px 0 0}
.tcb-chart-col:hover .tcb-chart-bar{background:var(--tcb-accent)}
.tcb-chart-c{font-size:11px;font-weight:700;color:var(--tcb-muted)}
.tcb-chart-x{font-size:10px;color:var(--tcb-muted);opacity:.8}

/* Catálogo de exámenes / tests */
.tcb-catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.tcb-catalog-card{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid #ececec;border-radius:12px;padding:16px 18px;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.05);transition:transform .15s,box-shadow .15s,border-color .15s}
.tcb-catalog-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.10);border-color:var(--tcb-primary)}
.tcb-catalog-name{color:var(--tcb-ink);font-weight:800;font-size:1.05rem}
.tcb-catalog-meta{color:var(--tcb-muted);font-size:.85rem}
.tcb-catalog-go{margin-top:6px;color:var(--tcb-primary);font-weight:700}

/* Ranking: leyenda y subtexto */
.tcb-rank-caption{color:var(--tcb-muted);font-size:.85rem;margin:-6px 0 12px}
.tcb-rank-sub{color:var(--tcb-muted);font-weight:400;font-size:.82em}
.tcb-rank+.tcb-rank{margin-top:22px}

/* Switch del ranking (exámenes / práctica) */
.tcb-rank-switch{justify-content:center;margin:0 0 16px}

/* Filtro de fechas de la evolución (panel) */
.tcb-evo-filter{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;margin:0 0 14px}
.tcb-evo-filter label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;font-weight:700;color:var(--tcb-muted)}
.tcb-evo-filter input[type="date"]{padding:8px 10px;border:1px solid #d9d9e3;border-radius:8px;font:inherit}
.tcb-evo-clear{align-self:center;color:var(--tcb-muted)!important;text-decoration:underline;font-size:.85rem}

/* Descripción del test en la pantalla de inicio */
.tcb-start-desc{margin:6px auto 4px;max-width:560px;color:var(--tcb-ink);line-height:1.55}

/* Separación entre el último grupo de temas y el botón de generar */
.tcb-generator .tcb-generate-btn{margin-top:18px}

/* Toggle de "Modo riesgo" del generador: apagado = oscuro, encendido = verde */
.tcb-generator .tcb-sw-ui{background:#4b5563}
.tcb-generator .tcb-sw-toggle input:checked + .tcb-sw-ui{background:var(--tcb-ok)}

/* Visualización por páginas dentro del test */
.tcb-viewbar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:0 0 16px;padding:12px 14px;background:#fff;border:1px solid #ececec;border-radius:12px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.tcb-view-ctl{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--tcb-ink)}
.tcb-view-ctl select{padding:7px 10px;border:1px solid #d9d9e3;border-radius:8px;font:inherit;cursor:pointer}
.tcb-pager{display:flex;align-items:center;gap:12px}
.tcb-pg-info{font-weight:700;color:var(--tcb-muted);min-width:46px;text-align:center}
.tcb-pg-ico{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;line-height:0}
.tcb-pg-ico svg{display:block}
.tcb-pager-bottom{justify-content:center;margin-bottom:14px;width:100%}
.tcb-pg-prev[disabled],.tcb-pg-next[disabled]{opacity:.45;cursor:not-allowed}

/* Etiqueta de riesgo en el historial */
.tcb-risk-chip{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;background:#fff3cd;color:#7a5b00;font-size:11px;font-weight:800;vertical-align:middle}

/* Cabecera del panel del alumno: banner con estilo de marca */
.tcb-panel-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--tcb-hero-from,var(--tcb-primary)) 0%,var(--tcb-hero-to,var(--tcb-ink)) 100%);border-radius:16px;padding:24px 26px;margin-bottom:18px;box-shadow:0 12px 30px rgba(0,0,0,.16)}
.tcb-panel-hero h2{margin:0 0 4px;color:var(--tcb-hero-text,#fff);font-size:1.7rem;font-weight:900;line-height:1.15}
.tcb-panel-hero p{margin:0;color:var(--tcb-hero-text,#fff);opacity:.85;font-weight:600}
.tcb-panel-hero .tcb-hero-wave{display:inline-block;margin-right:4px;transform-origin:70% 70%;animation:tcb-wave 2.4s ease-in-out 1}
.tcb-panel-hero::after{content:"";position:absolute;right:-50px;top:-50px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}
.tcb-panel-hero::before{content:"";position:absolute;right:40px;bottom:-60px;width:120px;height:120px;border-radius:50%;background:rgba(246,220,4,.16);pointer-events:none}
@keyframes tcb-wave{0%{transform:rotate(0)}15%{transform:rotate(14deg)}30%{transform:rotate(-8deg)}45%{transform:rotate(14deg)}60%{transform:rotate(-4deg)}75%{transform:rotate(10deg)}100%{transform:rotate(0)}}
@media (max-width:600px){.tcb-panel-hero h2{font-size:1.4rem}}

/* Bloqueo de scroll mientras el test está en pausa */
.tcb-noscroll{overflow:hidden!important}

/* Pantalla completa: solo en ordenador (la Fullscreen API no es fiable en móvil/iOS) */
@media (max-width:1024px){.tcb-fs-btn{display:none!important}}
@media (hover:none) and (pointer:coarse){.tcb-fs-btn{display:none!important}}

/* Generador responsive: stepper a lo ancho, opciones a 100% y toggle de riesgo apilado en móvil */
.tcb-generator .tcb-stepper{width:100%}
.tcb-generator .tcb-step-input{flex:1 1 80px;min-width:70px;text-align:center}
.tcb-generator .tcb-risk-optin{width:100%}
@media (max-width:600px){
  .tcb-generator .tcb-seg-opt{flex:1 1 100%}
  .tcb-generator .tcb-risk-optin{flex-direction:column;align-items:center;gap:12px;text-align:center}
  .tcb-generator .tcb-risk-optin .tcb-sw-toggle{transform:scale(1.15)}
}

/* Corrección instantánea en práctica ("Cuando respondo") */
.tcb-answered-instant .tcb-answers{pointer-events:none}
.tcb-answered-instant .tcb-clear-link{display:none}
.tcb-option.tcb-opt-correct>label{background:#dcfce7;border-color:#22c55e}
.tcb-option.tcb-opt-wrong>label{background:#fee2e2;border-color:#ef4444}
.tcb-q-feedback{margin-top:12px}
.tcb-fb-chip{display:inline-block;padding:5px 14px;border-radius:999px;font-weight:800;font-size:.95rem}
.tcb-fb-chip.ok{background:#dcfce7;color:#166534}
.tcb-fb-chip.bad{background:#fee2e2;color:#991b1b}

/* Imágenes dentro de enunciados, respuestas y explicaciones */
.tcb-qtext img,.tcb-answers img,.tcb-q-explain img,.tcb-answer-question img,.tcb-answer-list img,.tcb-explain img{max-width:100%;height:auto;border-radius:8px;margin:6px 0;vertical-align:middle}
/* Dedicated per-answer image (one per option), shown under the answer text. */
.tcb-option label{flex-wrap:wrap}
.tcb-option label .tcb-opt-img{flex:0 0 100%}
.tcb-opt-img{display:block;margin-top:8px}
.tcb-opt-img img{display:block;max-width:260px;max-height:200px;width:auto;height:auto;border-radius:10px;border:1px solid #ececef;margin:0}

/* Barra de navegación tras finalizar un test (volver al generador / historial / inicio) */
/* Reglas reforzadas con !important y mayor especificidad para que el tema (p. ej. Divi),
   que suele forzar el color de los enlaces, no deje el texto/icono invisible. */
.tcb-result-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:1100px;margin:20px auto 0;padding:0 20px;box-sizing:border-box}
.tcb-result-nav .tcb-rn-btn{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;font-weight:700;font-size:.98rem;line-height:1;cursor:pointer;
  background:var(--tcb-rn-bg,#000)!important;color:var(--tcb-rn-text,#fff)!important;border:2px solid var(--tcb-rn-border,#000)!important;border-radius:var(--tcb-rn-radius,10px)!important;
  text-decoration:none!important;box-shadow:none;
  transition:background .15s ease,color .15s ease,border-color .15s ease,transform .12s ease,box-shadow .15s ease}
.tcb-result-nav .tcb-rn-btn:hover,.tcb-result-nav .tcb-rn-btn:focus-visible{background:var(--tcb-rn-bg-h,#fff)!important;color:var(--tcb-rn-text-h,#000)!important;border-color:var(--tcb-rn-border,#000)!important;text-decoration:none!important;transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.12)}
.tcb-result-nav .tcb-rn-btn:active{transform:translateY(0)}
.tcb-result-nav .tcb-rn-btn .tcb-rn-txt{color:inherit!important}
.tcb-result-nav .tcb-rn-btn .tcb-rn-ico{display:inline-flex;align-items:center;justify-content:center;color:inherit}
.tcb-result-nav .tcb-rn-btn .tcb-rn-ico svg{display:block;stroke:currentColor}
.tcb-result-nav .tcb-rn-txt{white-space:nowrap}
@media(max-width:600px){.tcb-result-nav{gap:8px;padding:0 12px}.tcb-result-nav .tcb-rn-btn{flex:1 1 auto;justify-content:center;padding:11px 12px}.tcb-result-nav .tcb-rn-txt{font-size:.9rem}}

/* Cabecera opcional del generador ([testwp_generador]): banner con degradado, título centrado */
.tcb-gen-hero{position:relative;overflow:hidden;text-align:center;background:linear-gradient(135deg,var(--tcb-genhero-from,var(--tcb-primary)) 0%,var(--tcb-genhero-to,var(--tcb-ink)) 100%);border-radius:16px;padding:26px 26px;margin:0 0 18px;box-shadow:0 12px 30px rgba(0,0,0,.16)}
.tcb-gen-hero h2{margin:0;color:var(--tcb-genhero-text,#fff);font-size:1.8rem;font-weight:900;line-height:1.18}
.tcb-gen-hero p{margin:6px 0 0;color:var(--tcb-genhero-text,#fff);opacity:.88;font-weight:600}
.tcb-gen-hero::after{content:"";position:absolute;right:-50px;top:-50px;width:170px;height:170px;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}
.tcb-gen-hero::before{content:"";position:absolute;left:-50px;bottom:-60px;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.06);pointer-events:none}
.tcb-gen-hero>*{position:relative;z-index:1}
@media(max-width:600px){.tcb-gen-hero h2{font-size:1.45rem}}

/* ── Ventana temporal del examen (simulacros de convocatoria) ────────── */
.tcb-window-gate{max-width:520px;margin:24px auto;text-align:center}
.tcb-window-icon{font-size:2.4rem;margin:0 0 6px;line-height:1}
.tcb-window-date{margin:6px 0;color:var(--tcb-muted);font-size:.98rem}
.tcb-window-date strong{color:var(--tcb-ink)}
.tcb-window-close{opacity:.85}
.tcb-window-countdown{margin:14px auto 4px;display:inline-block;padding:8px 16px;border-radius:999px;
  background:var(--tcb-primary);color:#fff;font-weight:700;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.tcb-window-countdown.is-ready{background:var(--tcb-ok)}
.tcb-window-gate.is-after .tcb-window-icon{opacity:.6}

/* Distintivos de estado en el catálogo de exámenes */
.tcb-catalog-badge{align-self:flex-start;font-size:.76rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;padding:3px 9px;border-radius:999px}
.tcb-badge-soon{background:rgba(226,150,20,.14);color:#8a5a00}
.tcb-badge-closed{background:rgba(0,0,0,.08);color:#555}
.tcb-catalog-card.is-closed{opacity:.72}
.tcb-catalog-card.is-closed:hover{transform:none}

/* ── Perfil público del alumno (apodo + visibilidad en el ranking) ───── */
.tcb-profile-box .tcb-profile-form{max-width:520px}
.tcb-profile-row{margin:10px 0 2px;display:flex;flex-direction:column;gap:6px}
.tcb-profile-row label{font-weight:700;color:var(--tcb-ink)}
.tcb-profile-row input[type=text]{padding:10px 12px;border:1px solid #dcdcdc;border-radius:10px;font:inherit;max-width:320px}
.tcb-profile-row input[type=text]:focus{outline:2px solid var(--tcb-primary);outline-offset:1px;border-color:var(--tcb-primary)}
.tcb-profile-check{flex-direction:row;align-items:center;gap:8px;display:flex;font-weight:600}
.tcb-profile-msg{padding:9px 14px;border-radius:10px;font-weight:600;margin:0 0 12px}
.tcb-profile-msg.is-ok{background:rgba(26,127,55,.10);color:#1a7f37}
.tcb-profile-msg.is-error{background:rgba(214,54,56,.10);color:#d63638}

/* ── Sesión de intento: reanudar un test interrumpido ────────────────── */
.tcb-resume-card{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:20px auto 22px;padding:16px 20px;
  border-radius:14px;background:var(--tcb-rs-card-bg,#fff);border:1px solid #e6e6ec;
  border-left:4px solid var(--tcb-rs-card-line,var(--tcb-primary));
  box-shadow:0 4px 16px rgba(0,0,0,.06)}
.tcb-resume-card.is-expired{border-left-color:var(--tcb-bad)}
.tcb-resume-ico{font-size:1.7rem;line-height:1}
.tcb-resume-txt{display:flex;flex-direction:column;gap:2px;flex:1;min-width:220px}
.tcb-resume-txt strong{color:var(--tcb-rs-card-text,var(--tcb-ink));font-size:1.02rem}
.tcb-resume-txt span{color:var(--tcb-muted);font-size:.92rem}
.tcb-resume-acts{display:flex;align-items:center;gap:14px}
.tcb-resume-discard{color:var(--tcb-rs-discard,var(--tcb-muted))!important;text-decoration:underline;font-size:.9rem}
.tcb-resume-discard:hover{color:var(--tcb-rs-discard-h,var(--tcb-bad))!important}

/* ── La ventana con todos los tests sin terminar ──────────────────────────
   Se enseña cuando hay más de uno. Con uno solo se sigue viendo la tarjeta de
   siempre: abrir una ventana para pulsar un botón sería un paso de más para
   todo el mundo, todos los días. */
.tcb-resume-when{color:var(--tcb-muted);font-size:.85rem}
.tcb-resume-modal{position:fixed;inset:0;z-index:99998;display:flex;align-items:center;justify-content:center;padding:20px}
.tcb-resume-back{position:absolute;inset:0;background:rgba(16,24,40,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.tcb-resume-box{position:relative;background:#fff;border-radius:16px;box-shadow:0 18px 44px rgba(16,24,40,.28);
	width:min(680px,100%);max-height:min(80vh,720px);display:flex;flex-direction:column;overflow:hidden}
.tcb-resume-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
	padding:16px 20px;border-bottom:1px solid #e6e8ee;background:var(--tcb-rs-head-bg,transparent)}
.tcb-resume-head strong{color:var(--tcb-rs-head-text,var(--tcb-ink));font-size:1.05rem}
.tcb-resume-x{background:transparent;border:0;font-size:1.6rem;line-height:1;color:#5a6072;cursor:pointer;
	width:36px;height:36px;border-radius:8px}
.tcb-resume-x:hover{background:#f1f3f7;color:var(--tcb-ink)}
.tcb-resume-list{list-style:none;margin:0;padding:0;overflow:auto;flex:1}
.tcb-resume-item{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 20px;border-bottom:1px solid #eef0f4}
.tcb-resume-item:last-child{border-bottom:0}
.tcb-resume-item.is-expired{border-left:4px solid var(--tcb-bad)}
.tcb-resume-item-txt{display:flex;flex-direction:column;gap:2px;flex:1;min-width:200px}
.tcb-resume-item-txt strong{color:var(--tcb-rs-item-text,var(--tcb-ink));font-size:.98rem;font-weight:700}
.tcb-resume-item-acts{display:flex;align-items:center;gap:14px}
.tcb-resume-tag{align-self:flex-start;background:var(--tcb-rs-tag-bg,#fdecec);color:var(--tcb-rs-tag-text,#8a1c1c);border-radius:6px;padding:1px 8px;font-size:.78rem;font-weight:700}
.tcb-resume-foot{padding:12px 20px;border-top:1px solid #e6e8ee;text-align:right;background:#fafbfc}
@media (max-width:600px){
	.tcb-resume-box{max-height:88vh}
	.tcb-resume-item{padding:12px 14px}
	.tcb-resume-item-acts{width:100%;justify-content:space-between}
	/* En el móvil los botones del examen ocupan todo el ancho, y dentro de una
	   lista eso deja ver dos tests donde caben cuatro. Aquí no. */
	.tcb-resume-item-acts .tcb-btn{width:auto;min-width:130px;padding:9px 16px}
}
/* Sin JavaScript la ventana no se puede abrir, así que la lista se queda a la
   vista debajo del aviso: el alumno no se queda sin poder retomar ni descartar
   nada. El `hidden` lo pone el propio script al arrancar. */
.tcb-resume-modal[hidden]{display:none}

/* ── Los botones de los tests sin terminar ────────────────────────────────
   Se configuran aparte del resto del generador porque son los únicos que
   aparecen ENCIMA de todo lo demás y en un fondo propio: heredar el color del
   generador dejaba combinaciones que no se leían. Vacío = hereda, como en el
   resto de los ajustes. */
.tcb-resume-card .tcb-btn-primary,
.tcb-resume-item .tcb-btn-primary{
	background:var(--tcb-rs-btn-bg,var(--tcb-primary));
	color:var(--tcb-rs-btn-text,#fff)!important;
	border-radius:var(--tcb-rs-btn-radius,12px)}
.tcb-resume-card .tcb-btn-primary:hover,
.tcb-resume-item .tcb-btn-primary:hover,
.tcb-resume-card .tcb-btn-primary:focus-visible,
.tcb-resume-item .tcb-btn-primary:focus-visible{
	background:var(--tcb-rs-btn-bg-h,var(--tcb-rs-btn-bg,var(--tcb-primary)));
	color:var(--tcb-rs-btn-text-h,var(--tcb-rs-btn-text,#fff))!important}

.tcb-resume-banner{display:flex;align-items:center;gap:10px;margin:0 0 16px;padding:10px 16px;border-radius:10px;
  background:rgba(26,127,55,.10);color:#1a7f37;font-weight:600;font-size:.94rem}

/* Distintivo de entrega fuera de plazo en el historial */
.tcb-late-chip{display:inline-block;margin-left:6px;padding:2px 9px;border-radius:999px;font-size:.76rem;
  font-weight:700;background:rgba(214,54,56,.12);color:#d63638;white-space:nowrap}

/* ── Niveles de importancia de la pregunta ───────────────────────────── */
.tcb-levels{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.tcb-level-opt{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border:1px solid #e6e6ec;
  border-left:4px solid var(--tcb-lvl,#c9c9d1);border-radius:10px;background:#fff;cursor:pointer;transition:.15s}
.tcb-level-opt:hover{border-color:var(--tcb-lvl,#c9c9d1);box-shadow:0 3px 12px rgba(0,0,0,.06)}
.tcb-level-opt input{margin-top:3px}
.tcb-level-txt{display:flex;flex-direction:column;gap:2px}
.tcb-level-txt strong{color:var(--tcb-ink);font-size:.98rem}
.tcb-level-txt small{color:var(--tcb-muted);font-size:.86rem;line-height:1.4}
.tcb-level-opt-none{--tcb-lvl:#c9c9d1}
.tcb-level-dot{display:none}

/* Distintivo junto al enunciado */
.tcb-qlevel{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;
  font-size:.76rem;font-weight:700;white-space:nowrap;
  background:color-mix(in srgb, var(--tcb-lvl) 12%, transparent);color:var(--tcb-lvl,#555)}
@supports not (background: color-mix(in srgb, red 10%, transparent)){
  .tcb-qlevel{background:rgba(0,0,0,.06)}
}
.tcb-qlevel-dot{width:8px;height:8px;border-radius:50%;background:var(--tcb-lvl,#999);flex:none}

/* Acierto por nivel en el panel */
.tcb-lvlacc{display:flex;flex-direction:column;gap:16px;margin-top:6px}
.tcb-lvlacc-row{border-left:4px solid var(--tcb-lvl,#c9c9d1);padding-left:14px}
.tcb-lvlacc-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:6px}
.tcb-lvlacc-name{font-weight:700;color:var(--tcb-ink)}
.tcb-lvlacc-val{font-weight:800;color:var(--tcb-lvl,var(--tcb-ink))}
.tcb-lvlacc-val small{font-weight:600;color:var(--tcb-muted)}
.tcb-lvlacc-track{height:10px;border-radius:999px;background:#ececed;overflow:hidden}
.tcb-lvlacc-fill{height:100%;border-radius:999px;background:var(--tcb-lvl,#888)}
.tcb-lvlacc-desc{margin:6px 0 0;color:var(--tcb-muted);font-size:.88rem;line-height:1.45}

/* ── Barra de navegación fija durante el test ─────────────────────────────
 *
 * Aparece cuando el navegador de preguntas de arriba se pierde de vista. Es
 * una línea de 44px, no una copia de la rejilla: con 88 preguntas la rejilla
 * entera son cuatro filas en un ordenador y unas nueve en un móvil, y taparía
 * justo el enunciado que el alumno está leyendo. La rejilla se despliega solo
 * cuando se pulsa «Ir a…».
 *
 * Colores fijos y no de la paleta de la academia: esta barra se pinta ENCIMA
 * del contenido y tiene que leerse en cualquier sitio. #5a6072 sobre blanco da
 * 7,0:1 y #22314a da 12,6:1, así que aguantan AA de sobra pase lo que pase con
 * los ajustes del cliente. Las celdas sí usan la paleta, porque son las mismas
 * de arriba y comparten leyenda.
 */
.tcb-navbar-fixed{position:fixed;top:0;left:0;right:0;z-index:9990;background:#fff;border-bottom:1px solid #d7dbe3;box-shadow:0 2px 10px rgba(16,24,40,.10)}
.tcb-navbar-fixed[hidden]{display:none}
.tcb-nbf-inner{max-width:1040px;margin:0 auto;display:flex;align-items:center;gap:8px;padding:6px 12px}
.tcb-nbf-pos{font-weight:700;font-size:14px;color:#22314a;white-space:nowrap;min-width:62px;text-align:center}
.tcb-nbf-stats{font-size:12px;color:#5a6072;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto}
.tcb-nbf-step,.tcb-nbf-toggle{border:1.5px solid #cfd3dc;background:#fff;color:#22314a;border-radius:8px;cursor:pointer;font-weight:700;line-height:1}
.tcb-nbf-step{width:32px;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.tcb-nbf-toggle{height:32px;padding:0 12px;font-size:13px;display:inline-flex;align-items:center;gap:6px;flex:0 0 auto}
.tcb-nbf-step:hover,.tcb-nbf-toggle:hover{border-color:var(--tcb-primary,#2271b1)}
.tcb-nbf-step:disabled{opacity:.45;cursor:default;border-color:#e2e5ea}
.tcb-nbf-step:focus-visible,.tcb-nbf-toggle:focus-visible,.tcb-navbar-fixed .tcb-nav-cell:focus-visible{outline:3px solid #22314a;outline-offset:2px}
.tcb-nbf-toggle[aria-expanded="true"] .tcb-nbf-caret{transform:rotate(180deg)}
.tcb-nbf-caret{display:inline-block;transition:transform .15s ease}
.tcb-nbf-panel{max-width:1040px;margin:0 auto;padding:0 12px 10px;max-height:44vh;overflow:auto;border-top:1px solid #eef0f4}
.tcb-nbf-panel[hidden]{display:none}
.tcb-nbf-panel .tcb-nav-legend{margin:8px 0 8px}

/* En pantallas estrechas se cae lo prescindible para que quepa en una línea. */
@media (max-width:600px){
  .tcb-nbf-stats{display:none}
  .tcb-nbf-inner{gap:6px;padding:6px 8px}
  .tcb-nbf-panel{max-height:52vh}
}

/* La barra de administración de WordPress también es fija y va por encima. */
/* El `top` de esta barra lo pone el JavaScript, que MIDE lo que ya hay
   pegado arriba (la barra de administración y la toolbar del reloj) en vez de
   suponerlo. Estos valores son solo el punto de partida por si el script no
   ha corrido todavía. OJO: el elemento que se pone a pantalla completa es
   `.tcb-exam-container`, NO el formulario `.tcb-test`; un `:fullscreen` sobre
   `.tcb-test` no casa nunca. */
.tcb-exam-container:fullscreen .tcb-navbar-fixed,
.tcb-exam-container:-webkit-full-screen .tcb-navbar-fixed{top:0}

/* Con el test en pausa las preguntas no se ven: la barra tampoco pinta nada. */
.tcb-test-body.tcb-paused .tcb-navbar-fixed{display:none}

/* ─────────────────────────────────────────────────────────────────────────
   BIBLIOTECA DE EXÁMENES — [testwp_biblioteca]
   Filas, no rejilla: cada examen trae nota, intentos y documentos, y eso no
   cabe legible en una tarjeta de 220px. En móvil la fila se apila sola.
   ───────────────────────────────────────────────────────────────────────── */
/* Cada valor lleva su reserva: sin ajustes escritos, la biblioteca se ve como
   se veía. Lo que la academia deje en blanco no se emite (ver get_biblio_style). */
.tcb-biblioteca .tcb-biblio-head{color:var(--tcb-bib-title,var(--tcb-ink));border-bottom:2px solid var(--tcb-bib-head-line,transparent);padding-bottom:6px}
.tcb-biblioteca.tcb-bib-al-center .tcb-biblio-head{text-align:center}

.tcb-biblio-list{display:flex;flex-direction:column;gap:12px}
.tcb-biblio-item{display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--tcb-bib-card-bg,#fff);border:1px solid var(--tcb-bib-card-border,#ececec);
  border-radius:var(--tcb-bib-card-radius,12px);padding:16px 18px;box-shadow:0 4px 14px rgba(0,0,0,.05)}
.tcb-biblio-item.is-locked{opacity:.85;background:var(--tcb-bib-lock-bg,#fafafa)}
.tcb-biblio-main{min-width:0;flex:1 1 auto}
.tcb-biblio-title{margin:0 0 4px;font-size:1.05rem;line-height:1.3;color:var(--tcb-bib-name,var(--tcb-ink))}
.tcb-biblio-desc{margin:0 0 6px;color:var(--tcb-bib-desc,#555)}
.tcb-biblio-meta{margin:0;font-size:.86rem;color:var(--tcb-bib-meta,#6b7280)}
.tcb-biblio-state{margin:6px 0 0;font-size:.88rem;color:var(--tcb-bib-state,#111);font-weight:600}
.tcb-biblio-docs{margin:8px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.tcb-biblio-docs-locked{color:var(--tcb-bib-meta,#6b7280);font-size:.86rem;font-weight:400}
.tcb-biblio-action{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:6px;text-align:right}
.tcb-biblio-lock{display:inline-block;font-size:.88rem;color:var(--tcb-bib-lock-text,#6b7280)}

/* Los botones: anclados al contenedor de la biblioteca y a `a.` para que el
   tema del sitio no gane. Un `!important` a secas pierde contra un tema que
   también use `!important`; la especificidad, no. */
.tcb-biblioteca a.tcb-biblio-go{white-space:nowrap;display:inline-block;padding:9px 18px;font-weight:800;text-decoration:none;
  background:var(--tcb-bib-btn-bg,var(--tcb-primary))!important;color:var(--tcb-bib-btn-text,#fff)!important;
  border-radius:var(--tcb-bib-btn-radius,12px)}
.tcb-biblioteca a.tcb-biblio-go:hover{background:var(--tcb-bib-btn-bg-h,var(--tcb-bib-btn-bg,var(--tcb-primary)))!important;color:var(--tcb-bib-btn-text-h,var(--tcb-bib-btn-text,#fff))!important}
.tcb-biblioteca a.tcb-biblio-cta{display:inline-block;padding:7px 14px;font-weight:700;text-decoration:none;
  background:var(--tcb-bib-cta-bg,transparent)!important;color:var(--tcb-bib-cta-text,var(--tcb-primary))!important;
  border:1px solid var(--tcb-bib-cta-text,var(--tcb-primary));border-radius:var(--tcb-bib-btn-radius,12px)}

/* Los enlaces a documentos usan el estilo de «Botones de descarga»: es el mismo
   botón que en la pantalla del examen. */
.tcb-biblioteca a.tcb-doc-link{display:inline-block;padding:6px 12px;font-size:.86rem;font-weight:700;text-decoration:none;
  background:var(--tcb-doc-bg,#d63638)!important;color:var(--tcb-doc-text,#fff)!important;
  border:1px solid var(--tcb-doc-border,#d63638);border-radius:var(--tcb-doc-radius,10px)}

@media (max-width:640px){
  /* El botón a lo ancho: en vertical, una acción pegada al borde derecho se
     falla con el pulgar más veces de las que se acierta. */
  .tcb-biblio-item{flex-direction:column;align-items:stretch}
  .tcb-biblio-action{align-items:stretch;text-align:left}
  .tcb-biblio-item .tcb-biblio-go,
  .tcb-biblio-item .tcb-biblio-cta{display:block;width:100%;text-align:center}
}