:root{--ink:#18252e;--muted:#687780;--line:#e0e7e9;--bg:#f4f7f6;--white:#fff;--green:#176b54;--green2:#e6f4ee;--navy:#183d4a;--shadow:0 12px 32px rgba(25,55,62,.07);font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-size:14px;line-height:1.5}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{height:auto;min-height:76px;background:#fff;border-bottom:1px solid var(--line);padding:12px clamp(16px,4vw,56px);display:flex;align-items:center;gap:28px;position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);min-width:190px}.brand strong{display:block;font-size:17px;letter-spacing:.08em}.brand small{display:block;color:var(--muted);font-size:11px}.brand-mark{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,#176b54,#194b5c);color:white;font-weight:800;font-size:23px;box-shadow:0 8px 18px #176b5428}.brand-mark.small{width:39px;height:39px;border-radius:12px;font-size:19px}.topbar nav{display:flex;align-items:center;gap:5px;flex:1;flex-wrap:wrap}.nav-link,.icon-link{border:0;background:transparent;color:#52636c;border-radius:9px;padding:10px 12px;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.nav-link:hover,.nav-link.active{background:var(--green2);color:var(--green)}.user-menu{display:flex;align-items:center;gap:9px}.user-avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:#e2efea;color:var(--green);font-weight:700}.user-label strong,.user-label small{display:block;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-label small{font-size:11px;color:var(--muted)}.icon-link{font-size:17px}.page-wrap{max-width:1440px;margin:auto;padding:32px clamp(16px,4vw,56px) 64px}.view{display:none}.view.active{display:block}.page-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:25px}.page-head h1{font-size:30px;line-height:1.2;margin:2px 0 8px;letter-spacing:-.03em}.eyebrow{font-size:10px;letter-spacing:.15em;font-weight:800;color:var(--green);margin:0 0 5px}.muted{color:var(--muted);margin:0}.btn{border:1px solid transparent;border-radius:9px;padding:10px 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;transition:.15s}.btn.primary{background:var(--green);color:white}.btn.primary:hover{background:#105742}.btn.light{background:white;border-color:var(--line);color:#31434c}.btn.light:hover{border-color:#b8ccc5;background:#fbfdfc}.btn.full{width:100%;margin-top:10px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}.stat{display:flex;gap:15px;align-items:center;background:white;border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:0 3px 10px #1e454d05}.stat-icon{width:44px;height:44px;border-radius:13px;background:#eaf0fa;color:#416b9d;display:grid;place-items:center;font-size:18px}.stat-icon.green{background:#e4f5ec;color:#17724f}.stat-icon.violet{background:#eee9fa;color:#7054a3}.stat-icon.amber{background:#fff2d9;color:#98661b}.stat span:not(.stat-icon){display:block;color:var(--muted);font-size:12px}.stat strong{display:block;font-size:27px;line-height:1.25;margin-top:3px}.panel{background:white;border:1px solid var(--line);border-radius:15px;padding:22px;margin-bottom:22px;box-shadow:0 3px 12px #1e454d04}.panel h2{font-size:17px;margin:0 0 5px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:620px}th,td{text-align:left;border-bottom:1px solid #edf1f2;padding:12px 10px}th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#6b7a81;font-weight:750}td{font-size:13px}td:first-child{font-weight:700;color:var(--green)}.toolbar{display:flex;gap:10px;margin-bottom:18px}.toolbar input{flex:1}.reactivo-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.reactivo-card{background:white;border:1px solid var(--line);border-radius:14px;padding:19px}.reactivo-card h3{font-size:15px;margin:0 0 9px}.reactivo-card p{color:#52636c;margin:0 0 12px;white-space:pre-wrap}.meta{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted);font-size:11px}.pill{background:#edf5f1;color:#27634e;padding:4px 8px;border-radius:100px}.card-actions{display:flex;gap:7px;margin-top:14px}.small-btn{background:#fff;border:1px solid var(--line);border-radius:7px;padding:7px 10px;color:#334750}.empty{padding:32px;text-align:center;background:white;border:1px dashed #cad6d7;border-radius:13px;color:var(--muted)}.hidden{display:none!important}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.form-grid label,.auth-card label{display:flex;flex-direction:column;gap:7px;font-weight:650;color:#33464e}.form-grid input,.form-grid textarea,.form-grid select,.auth-card input,.toolbar input,.admin-detail-input{width:100%;border:1px solid #d7e0e2;border-radius:8px;background:#fff;padding:11px 12px;outline:none;color:var(--ink)}input:focus,textarea:focus,select:focus{border-color:#65a58c;box-shadow:0 0 0 3px #176b5415}textarea{resize:vertical}.form-grid small{font-size:11px;color:var(--muted);font-weight:400}.form-grid em{font-style:normal;color:#b64242}.span-2{grid-column:span 2}.form-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:8px}.back{border:0;background:transparent;color:var(--green);padding:0;margin-bottom:12px;font-weight:700}.check-label{display:flex!important;flex-direction:row!important;align-items:center;font-weight:500!important}.check-label input{width:auto}.picker-list{display:grid;gap:8px;margin:12px 0 18px}.picker-item{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:9px}.picker-item input{margin-top:5px}.picker-item strong{display:block}.picker-item small{display:block;color:var(--muted)}.admin-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:20px}.admin-tile{position:relative;text-align:left;display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:24px;background:white;border:1px solid var(--line);border-radius:15px;min-height:175px;color:var(--ink);box-shadow:0 4px 15px #1e454d04}.admin-tile:hover{border-color:#9abeb1;transform:translateY(-1px)}.tile-icon{width:43px;height:43px;border-radius:12px;background:var(--green2);color:var(--green);display:grid;place-items:center;font-size:18px}.admin-tile strong{font-size:16px}.admin-tile span:not(.tile-icon){color:var(--muted);max-width:90%}.tile-arrow{position:absolute;right:22px;top:30px;color:#7d9297}.admin-detail-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.user-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.permission-list{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 16px}.permission-list label{display:flex;align-items:center;gap:7px;background:#f5f8f7;border:1px solid var(--line);padding:8px 10px;border-radius:8px;font-size:12px}.admin-table-actions{display:flex;gap:6px}.alert,.notice{padding:12px 14px;border-radius:9px;margin:12px 0}.alert.error{background:#fff0ef;color:#9a302c}.alert.success,.notice.success{background:#e9f7ef;color:#176447}.notice.error{background:#fff0ef;color:#9a302c}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#1d333a;color:white;padding:12px 18px;border-radius:9px;box-shadow:var(--shadow);transition:.2s;z-index:10;max-width:90vw}.toast.show{opacity:1;transform:translate(-50%,0)}.setup-body{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at top left,#e1f1e9,transparent 45%),var(--bg)}.auth-card{width:min(100%,460px);background:white;border:1px solid var(--line);border-radius:19px;padding:34px;box-shadow:var(--shadow)}.auth-card .brand-mark{margin-bottom:20px}.auth-card h1{font-size:27px;margin:2px 0 9px;letter-spacing:-.03em}.auth-card .muted{margin-bottom:23px}.auth-card form{display:grid;gap:15px;margin-top:22px}.auth-card small,.tiny{font-size:11px;color:var(--muted);font-weight:400}.tiny{margin-top:20px;text-align:center}.alert{font-size:13px}.notice{margin-bottom:18px}.hidden{display:none!important}
@media(max-width:1050px){.topbar{flex-wrap:wrap;gap:10px}.topbar nav{order:3;flex-basis:100%;overflow:auto}.user-menu{margin-left:auto}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.page-wrap{padding-top:23px}.page-head{align-items:flex-start;flex-direction:column}.page-head h1{font-size:26px}.stats-grid,.reactivo-list,.admin-tiles,.form-grid,.user-form-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.toolbar{flex-wrap:wrap}.toolbar input{flex-basis:100%}.panel{padding:16px}.auth-card{padding:25px}.user-label{display:none}.nav-link{padding:9px 10px;font-size:12px}.stat{padding:15px}.stat strong{font-size:23px}.topbar{position:relative}}
.modal-backdrop{position:fixed;inset:0;background:#142a30b8;z-index:20;display:grid;place-items:center;padding:20px}.modal-card{max-width:480px;width:100%;max-height:90vh;overflow:auto}.backup-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.backup-actions .panel{margin:0}.backup-actions h3{margin-top:0}.backup-actions form{display:grid;gap:14px;margin-top:15px}.backup-actions label:not(.check-label){display:grid;gap:8px}@media(max-width:700px){.backup-actions{grid-template-columns:1fr}}

/* SIBAR v1.4.4: editor visual de opciones */
.answer-editor{border:1px solid var(--line,#dce5e7);border-radius:14px;padding:18px;background:#fbfdfd}
.answer-editor-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.answer-editor-head h3{margin:0 0 5px;font-size:17px;color:var(--ink,#263b43)}
.answer-editor-head p{margin:0;font-size:12px}
.answer-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.answer-option{border:1px solid var(--line,#dce5e7);border-radius:12px;background:white;padding:14px;display:grid;gap:10px;min-width:0}
.answer-option-top{display:flex;align-items:center;justify-content:space-between}
.answer-option label{display:grid;gap:6px;font-size:12px;font-weight:650}
.answer-option textarea{width:100%;min-height:62px;resize:vertical}
.answer-option input[type=file]{font-size:12px;max-width:100%}
.answer-option .correct-choice{display:flex;align-items:center;gap:8px;padding-top:8px;border-top:1px solid #edf1f2;font-weight:600}
.answer-option .correct-choice input{accent-color:#23845e}
.answer-option .option-image-status{font-size:11px;color:var(--muted,#66777d);font-weight:400;overflow-wrap:anywhere}
.icon-btn{border:0;background:#fff1f0;color:#a43a32;border-radius:8px;padding:7px 10px;cursor:pointer}
@media(max-width:700px){.answer-editor-head{align-items:flex-start;flex-direction:column}.answer-options{grid-template-columns:1fr}}

.eval-actions{display:flex;flex-wrap:wrap;gap:6px;min-width:230px}.danger-btn{color:#a33;border-color:#e8caca}.danger-btn:hover{background:#fff3f2}.eval-actions .small-btn{cursor:pointer;text-decoration:none;font-size:12px}