/* V9.7 · Centro de estudio inteligente. Aislado del núcleo de la app. */
.premium-smart-card{background:linear-gradient(145deg,#fff,#f5f9ff);border:1px solid #d7e4f4;border-radius:22px;box-shadow:0 14px 38px rgba(24,54,93,.09);padding:20px}
.premium-smart-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}
.premium-smart-head h3{margin:2px 0 5px;font-size:22px;color:#17365d}.premium-smart-head p{margin:0;color:#64748b;line-height:1.5}
.premium-kicker{font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:900;color:#2e63a8}
.premium-today-grid,.premium-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.premium-today-item,.premium-stat{background:#fff;border:1px solid #e0e9f4;border-radius:16px;padding:14px;min-width:0}
.premium-today-item span,.premium-stat span{display:block;font-size:12px;color:#73869c;font-weight:800;margin-bottom:5px}
.premium-today-item strong,.premium-stat strong{display:block;color:#17365d;font-size:17px;line-height:1.25;overflow-wrap:anywhere}
.premium-today-item small,.premium-stat small{display:block;color:#64748b;margin-top:5px;line-height:1.35}
.premium-smart-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.premium-error-hub{margin:16px 0 4px}.premium-error-summary{display:flex;align-items:center;gap:14px}.premium-error-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#fff1e8;font-size:25px}.premium-error-copy{flex:1}.premium-error-copy h3{margin:0 0 3px;color:#17365d}.premium-error-copy p{margin:0;color:#64748b}
.premium-feedback{margin:11px 0 4px;border-radius:15px;padding:13px 14px;border:1px solid #dce8f5;background:#f8fbff}.premium-feedback.ok{border-color:#c9ead7;background:#f4fbf7}.premium-feedback.bad{border-color:#f1d1d1;background:#fff8f8}.premium-feedback b{display:block;color:#17365d;margin-bottom:5px}.premium-feedback p{margin:0;color:#53677f;line-height:1.5}.premium-feedback-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.premium-mini-btn{border:1px solid #cbd9ea;background:#fff;color:#244d83;border-radius:11px;padding:8px 11px;font-weight:800;cursor:pointer}.premium-mini-btn:hover{background:#f4f8fd}
.premium-review-card{margin-top:16px}.premium-review-q{background:#fff;border:1px solid #dce6f2;border-radius:17px;padding:16px;margin:12px 0}.premium-review-q>strong{display:block;color:#17365d;line-height:1.45}.premium-review-q .answers{margin-top:12px}.premium-review-meta{display:flex;justify-content:space-between;gap:10px;color:#75879c;font-size:12px;font-weight:800;margin-bottom:8px}.premium-review-result{margin-top:16px;padding:16px;border-radius:16px;background:#eef6ff;border:1px solid #ccdef3}
.premium-exam-review{margin-top:18px}.premium-exam-review details{background:#fff;border:1px solid #dce6f2;border-radius:15px;margin:10px 0;overflow:hidden}.premium-exam-review summary{cursor:pointer;padding:14px 16px;font-weight:850;color:#17365d}.premium-exam-review .premium-review-body{padding:0 16px 15px;color:#53677f;line-height:1.5}.premium-exam-review .wrong{border-left:4px solid #c94f4f}.premium-exam-review .correct{border-left:4px solid #2d936c}
.premium-module-chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;background:#eaf2fd;color:#244d83;font-size:12px;font-weight:900}
.premium-professor-context{margin-top:10px}
.note-card .premium-professor-context{padding-top:9px;border-top:1px solid #edf2f7}
.premium-section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;margin:24px 0 12px}.premium-section-title h3{margin:0;color:#17365d}.premium-section-title p{margin:3px 0 0;color:#64748b}
@media(max-width:1100px){.premium-today-grid,.premium-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.premium-smart-card{padding:15px;border-radius:18px}.premium-smart-head{display:block}.premium-smart-head .btn{margin-top:12px}.premium-today-grid,.premium-stats-grid{grid-template-columns:1fr 1fr;gap:9px}.premium-today-item,.premium-stat{padding:12px}.premium-error-summary{align-items:flex-start}.premium-smart-actions .btn{flex:1 1 auto}.premium-section-title{align-items:flex-start;flex-direction:column}}