:root{--bg:#f5f7fb;--panel:#fff;--text:#172033;--muted:#6b7280;--line:#e5e7eb;--primary:#3758f9;--primary2:#6d5dfc;--danger:#c0392b;--success:#15803d;--sidebar:#111827;--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,#0f172a,#111827);color:#fff;padding:24px 18px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary2));font-weight:800;color:#fff;box-shadow:0 10px 24px rgba(55,88,249,.3)}.brand small,.brand b{display:block}.brand small{color:#94a3b8;margin-top:2px}.sidebar nav{margin-top:34px;display:grid;gap:8px}.sidebar nav a{padding:12px 14px;border-radius:12px;color:#dbe4f0;transition:.2s}.sidebar nav a:hover{background:#1f2937;transform:translateX(3px);color:#fff}.logout{margin-top:auto}.logout button{width:100%;padding:11px;border:1px solid #334155;background:transparent;color:#fff;border-radius:12px;cursor:pointer}.topbar{height:72px;padding:0 28px;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;justify-content:flex-end;align-items:center;gap:12px;position:sticky;top:0;z-index:5}.topbar small,.topbar b{display:block;text-align:right}.topbar small{color:var(--muted)}.menu-btn{display:none;border:0;background:transparent;font-size:22px}.content{padding:30px;max-width:1500px;margin:auto}.page-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.page-head h1,.student-hero h1{margin:3px 0 6px;font-size:clamp(28px,4vw,42px);letter-spacing:-.03em}.page-head p,.student-hero p{margin:0;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px!important;font-weight:800;color:var(--primary)!important}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.stat,.panel,.course-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 30px rgba(15,23,42,.04)}.stat{padding:22px;transition:.2s}.stat:hover{transform:translateY(-3px)}.stat span{color:var(--muted)}.stat strong{display:block;font-size:34px;margin-top:8px}.panel{padding:22px;margin-bottom:20px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.panel h3{margin-top:0}.table-wrap{overflow:auto}.panel.table-wrap{padding:0}table{width:100%;border-collapse:collapse;min-width:700px}th,td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:left}th{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}td small{display:block;color:var(--muted);margin-top:3px}.actions{display:flex;gap:12px;align-items:center}.actions form{margin:0}.actions a,.link-danger{font-weight:700;font-size:13px}.link-danger{border:0;background:transparent;color:var(--danger);cursor:pointer;padding:0}.badge,.pill{display:inline-block;padding:6px 9px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:12px;font-weight:800;text-transform:capitalize}.btn{border:0;border-radius:12px;padding:10px 15px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.2s}.btn:hover{transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 8px 20px rgba(55,88,249,.2)}.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--text)}.btn.wide{width:100%}.alert{padding:13px 16px;border-radius:12px;margin-bottom:16px;transition:.5s}.alert.success{background:#ecfdf3;color:var(--success);border:1px solid #bbf7d0}.alert.error{background:#fff1f2;color:#b42318;border:1px solid #fecdd3}.alert.fade{opacity:0;transform:translateY(-6px)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid label,.inline-form label,.login-form label{display:grid;gap:7px;font-size:13px;font-weight:750}.span-2{grid-column:span 2}.form-grid input,.form-grid select,.form-grid textarea,.inline-form input,.inline-form select,.login-form input,.exam-form input,.exam-form textarea,#questionForm input,#questionForm select,#questionForm textarea{width:100%;padding:12px 13px;border:1px solid #d7dce5;border-radius:11px;background:#fff;outline:none;transition:.2s}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus,.login-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(55,88,249,.1)}textarea{min-height:100px;resize:vertical}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}.section-title{border-top:1px solid var(--line);padding-top:18px;margin-top:8px}.section-title h3{margin:0}.section-title p{margin:5px 0 0;color:var(--muted)}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:8px!important}.check input{width:auto!important}.inline-form{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.inline-form label{min-width:220px;flex:1}.attendance-list{display:grid;gap:10px}.attendance-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.attendance-row small{display:block;color:var(--muted)}.attendance-row select{max-width:170px;padding:9px;border-radius:10px;border:1px solid var(--line)}.builder-grid{display:grid;grid-template-columns:360px 1fr;gap:20px;align-items:start}.question-list{display:grid;gap:12px}.question-card{display:flex;justify-content:space-between;gap:18px;border:1px solid var(--line);border-radius:14px;padding:16px}.question-card b{display:block;margin:8px 0}.question-card small{color:var(--muted)}.question-card ul{padding-left:20px;color:var(--muted)}.option-row{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:8px}.option-row input[type=checkbox]{width:20px!important}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 15% 20%,#dfe7ff,transparent 35%),radial-gradient(circle at 85% 80%,#ece5ff,transparent 35%),#f8fafc;padding:24px}.login-card{width:min(940px,100%);display:grid;grid-template-columns:1.1fr .9fr;background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:0 30px 80px rgba(15,23,42,.12)}.login-art{padding:54px;background:linear-gradient(145deg,#111827,#1e293b);color:#fff;display:flex;flex-direction:column;justify-content:center;min-height:520px}.login-art h1{font-size:48px;line-height:1.03;letter-spacing:-.04em;margin:18px 0}.login-art p{color:#cbd5e1;max-width:430px;line-height:1.7}.login-form{padding:54px;display:grid;align-content:center;gap:16px}.login-form h2{font-size:30px;margin:0}.login-form>p{margin:-8px 0 8px;color:var(--muted)}.switch-link{color:var(--primary);font-weight:750;text-align:center}.student-header{max-width:1280px;margin:auto;padding:20px 28px;display:flex;justify-content:space-between;align-items:center}.student-user{display:flex;align-items:center;gap:12px}.student-main{max-width:1280px;margin:auto;padding:18px 28px 48px}.student-hero{padding:42px;border-radius:26px;background:linear-gradient(135deg,#111827,#273449);color:#fff;margin-bottom:24px;overflow:hidden;position:relative}.student-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(109,93,252,.25);right:-60px;top:-90px}.student-hero p{color:#cbd5e1}.student-hero.compact{padding:30px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{padding:22px;transition:.25s;display:flex;flex-direction:column;min-height:220px}.course-card:hover{transform:translateY(-5px);box-shadow:0 16px 38px rgba(15,23,42,.09)}.course-card h3{font-size:22px;margin:14px 0 8px}.course-card p{color:var(--muted);line-height:1.5;flex:1}.course-card div{display:flex;justify-content:space-between;gap:10px}.student-columns{display:grid;grid-template-columns:1fr 340px;gap:22px}.module small,.exam-mini small{color:var(--muted)}.lesson{display:grid;grid-template-columns:32px 1fr;gap:10px;padding:15px 0;border-top:1px solid var(--line)}.lesson p{color:var(--muted);line-height:1.55}.lesson a{color:var(--primary);font-weight:700}.exam-mini .btn{margin-top:16px}.back-link{display:inline-block;margin-bottom:14px;color:var(--muted);font-weight:700}.exam-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px}.exam-form{max-width:900px;margin:auto}.exam-question{display:grid;grid-template-columns:45px 1fr;gap:14px}.q-number{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#eef2ff;color:#4338ca;font-weight:800}.q-body h3{margin:3px 0 7px}.q-body small{color:var(--muted)}.answers{display:grid;gap:10px;margin-top:16px}.answer{display:flex;gap:10px;padding:13px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.answer:hover{border-color:#a5b4fc;background:#f8faff}.submit-exam{margin:10px 0 30px;padding:14px}.pagination{display:flex;gap:6px}@media(max-width:980px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-280px;transition:.25s;width:260px}.sidebar.open{left:0}.menu-btn{display:block;margin-right:auto}.stats,.course-grid{grid-template-columns:repeat(2,1fr)}.builder-grid,.student-columns{grid-template-columns:1fr}.topbar{justify-content:flex-end}}@media(max-width:700px){.content,.student-main{padding:18px}.stats,.course-grid,.form-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.page-head{align-items:flex-start;flex-direction:column}.login-card{grid-template-columns:1fr}.login-art{display:none}.login-form{padding:34px 24px;min-height:520px}.attendance-row{align-items:flex-start;flex-direction:column}.attendance-row select{max-width:none;width:100%}.student-header{padding:16px}.student-user span{display:none}}
.btn.danger{background:#b42318;color:#fff}.notif-bell{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:18px}.notif-bell span{position:absolute;right:-5px;top:-6px;min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:#b42318;color:#fff;font-size:11px;display:grid;place-items:center;font-weight:800}.notification-list{padding:8px}.notification-item{display:grid;grid-template-columns:14px 1fr;gap:12px;padding:16px;border-radius:14px;border-bottom:1px solid var(--line)}.notification-item:hover{background:#f8fafc}.notification-item.unread{background:#f5f7ff}.notification-item p{margin:4px 0;color:var(--muted)}.notification-item small{color:var(--muted)}.notif-dot{width:10px;height:10px;border-radius:50%;margin-top:6px;background:#64748b}.notif-dot.success{background:#15803d}.notif-dot.warning{background:#d97706}.notif-dot.error{background:#b42318}.notif-dot.info{background:#3758f9}.alert.toast{position:fixed;right:24px;top:88px;z-index:60;min-width:300px;max-width:460px;box-shadow:0 18px 45px rgba(15,23,42,.14);animation:toastIn .25s ease}.confirm-overlay{position:fixed;inset:0;background:rgba(15,23,42,.54);backdrop-filter:blur(5px);display:grid;place-items:center;z-index:100;padding:20px;animation:fadeIn .18s ease}.confirm-modal{width:min(440px,100%);background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.22);animation:modalIn .22s ease}.confirm-modal h3{margin:10px 0 6px;font-size:24px}.confirm-modal p{color:var(--muted);line-height:1.6}.confirm-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:#fff7ed;font-size:22px}.confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}@keyframes toastIn{from{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:none}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes modalIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}@media(max-width:700px){.alert.toast{left:16px;right:16px;top:76px;min-width:0}}

.password-field{position:relative;display:flex;align-items:center}.password-field input{padding-right:48px!important}.password-toggle{position:absolute;right:7px;width:36px;height:34px;border:0;background:transparent;border-radius:9px;cursor:pointer;font-size:17px}.password-toggle:hover{background:#eef2ff}.user-menu{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:10px;border:0;background:transparent;padding:5px 8px;border-radius:13px;cursor:pointer;color:var(--text)}.user-menu-trigger:hover{background:#f5f7fb}.user-menu-trigger span{display:grid;text-align:left}.user-menu-trigger small,.user-card small{color:var(--muted)}.user-menu-trigger i{font-style:normal;color:var(--muted)}.avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}.avatar.large{width:58px;height:58px}.user-dropdown{position:absolute;right:0;top:calc(100% + 10px);width:280px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:9px;box-shadow:0 20px 55px rgba(15,23,42,.16);z-index:80;opacity:0;visibility:hidden;transform:translateY(-5px);transition:.18s}.user-dropdown.open{opacity:1;visibility:visible;transform:none}.user-card{display:flex;align-items:center;gap:12px;padding:10px 9px 14px;border-bottom:1px solid var(--line);margin-bottom:6px}.user-card div{display:grid;min-width:0}.user-card small{overflow:hidden;text-overflow:ellipsis}.user-dropdown>a,.user-dropdown form button{display:block;width:100%;padding:11px 12px;border:0;background:transparent;text-align:left;border-radius:10px;color:var(--text);font:inherit;font-weight:700;cursor:pointer}.user-dropdown>a:hover,.user-dropdown form button:hover{background:#f5f7fb}.profile-grid{display:grid;grid-template-columns:280px 1fr;gap:20px;align-items:start}.profile-photo-card{text-align:center;position:sticky;top:92px}.profile-photo{width:170px;height:170px;border-radius:50%;object-fit:cover;border:6px solid #fff;box-shadow:0 10px 35px rgba(15,23,42,.13);margin:8px auto 14px}.profile-photo-card p{color:var(--muted)}@media(max-width:760px){.profile-grid{grid-template-columns:1fr}.profile-photo-card{position:static}.user-menu-trigger span{display:none}.user-dropdown{right:-4px;width:min(280px,calc(100vw - 28px))}}

.notification-menu{position:relative}.notif-bell{cursor:pointer}.notif-count.hidden{display:none}.notification-dropdown{position:absolute;right:0;top:50px;width:min(420px,calc(100vw - 28px));background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(15,23,42,.16);z-index:85;display:none;overflow:hidden}.notification-dropdown.open{display:block;animation:notifDrop .18s ease}.notification-dropdown-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 16px 13px;border-bottom:1px solid var(--line)}.notification-dropdown-head>div{display:grid;gap:2px}.notification-dropdown-head b{font-size:16px}.notification-dropdown-head small{color:var(--muted)}.notif-mark-all{border:0;background:transparent;color:var(--primary,#3758f9);font-weight:750;cursor:pointer;padding:8px 4px}.notif-mark-all:disabled{color:var(--muted);cursor:default}.notification-dropdown-body{max-height:430px;overflow:auto;padding:7px}.notification-dropdown .notification-item{grid-template-columns:12px 1fr;padding:13px 12px;text-decoration:none}.notification-dropdown .notification-item:last-child{border-bottom:0}.notification-dropdown .notification-item.unread{background:#f5f7ff}.notification-dropdown .notification-item.unread b:after{content:'Nuevo';display:inline-block;margin-left:8px;font-size:10px;padding:2px 6px;border-radius:999px;background:#e8edff;color:#3758f9;vertical-align:1px}.notification-empty{display:grid;justify-items:center;text-align:center;gap:6px;padding:34px 18px;color:var(--muted)}.notification-empty>b{color:var(--text)}@keyframes notifDrop{from{opacity:0;transform:translateY(-6px) scale(.985)}to{opacity:1;transform:none}}@media(max-width:700px){.notification-dropdown{position:fixed;left:14px;right:14px;top:68px;width:auto}.notification-dropdown-body{max-height:60vh}}

/* Header dropdown polish + cache-safe v4 */
.topbar{z-index:50;overflow:visible;isolation:isolate}
.topbar .notification-menu,.topbar .user-menu,.student-header .notification-menu,.student-header .user-menu{flex:0 0 auto}
.notification-menu{position:relative;display:flex;align-items:center}
.notif-bell{width:42px;height:42px;border:1px solid #e3e8f0;border-radius:13px;background:#fff;color:#344054;box-shadow:0 2px 7px rgba(15,23,42,.04);transition:border-color .18s,background .18s,transform .18s,box-shadow .18s;line-height:1}
.notif-bell:hover,.notif-bell[aria-expanded="true"]{background:#f7f8ff;border-color:#cfd7ff;box-shadow:0 6px 18px rgba(55,88,249,.10);transform:translateY(-1px)}
.notif-count{right:-4px!important;top:-5px!important;min-width:18px!important;height:18px!important;padding:0 5px!important;border:2px solid #fff;border-radius:999px!important;background:#ef4444!important;font-size:10px!important;line-height:14px!important;box-shadow:0 2px 6px rgba(239,68,68,.28)}
.notification-dropdown{top:calc(100% + 12px);width:390px;max-width:calc(100vw - 32px);border:1px solid #e6eaf0;border-radius:18px;background:#fff;box-shadow:0 24px 64px rgba(15,23,42,.18),0 4px 12px rgba(15,23,42,.06);overflow:hidden;transform-origin:top right}
.notification-dropdown:before{content:"";position:absolute;right:15px;top:-6px;width:12px;height:12px;background:#fff;border-left:1px solid #e6eaf0;border-top:1px solid #e6eaf0;transform:rotate(45deg);z-index:1}
.notification-dropdown-head{position:relative;z-index:2;padding:16px 17px 14px;background:#fff;align-items:flex-start}
.notification-dropdown-head>div b{font-size:15px;line-height:1.2;text-align:left!important}
.notification-dropdown-head>div small{font-size:12px;text-align:left!important;margin-top:3px}
.notif-mark-all{font-size:12px;padding:6px 8px;border-radius:9px;white-space:nowrap;transition:.18s}
.notif-mark-all:not(:disabled):hover{background:#eef2ff}
.notification-dropdown-body{max-height:390px;padding:7px;background:#fbfcfe}
.notification-dropdown .notification-item{position:relative;grid-template-columns:10px minmax(0,1fr);gap:11px;margin:2px 0;padding:12px 11px;border:0;border-radius:12px;background:transparent;transition:.16s}
.notification-dropdown .notification-item:hover{background:#f1f4f9}
.notification-dropdown .notification-item.unread{background:#eef2ff}
.notification-dropdown .notification-item b{display:block;text-align:left!important;font-size:13px;line-height:1.35;padding-right:46px}
.notification-dropdown .notification-item p{font-size:12px;line-height:1.45;margin:3px 0 5px;text-align:left!important}
.notification-dropdown .notification-item small{font-size:11px;text-align:left!important}
.notification-dropdown .notification-item.unread b:after{position:absolute;right:10px;top:11px;margin:0;font-size:9px;padding:2px 6px}
.notification-empty{padding:34px 18px 38px;font-size:13px}
.notification-empty:first-letter{font-size:24px}
.notification-empty>b{font-size:14px}

.user-menu{position:relative;display:flex;align-items:center}
.user-menu-trigger{min-height:46px;padding:5px 8px 5px 5px;gap:9px;border:1px solid transparent;border-radius:14px;transition:background .18s,border-color .18s,box-shadow .18s}
.user-menu-trigger:hover,.user-menu-trigger[aria-expanded="true"]{background:#fff;border-color:#e5e9f0;box-shadow:0 5px 16px rgba(15,23,42,.06)}
.user-menu-trigger .avatar{width:36px;height:36px;flex:0 0 36px}
.user-menu-trigger span{min-width:0;line-height:1.2}
.user-menu-trigger b{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;text-align:left!important}
.user-menu-trigger small{margin-top:3px;font-size:11px;text-align:left!important}
.user-menu-trigger i{font-size:15px;margin-left:1px;transition:transform .18s}
.user-menu-trigger[aria-expanded="true"] i{transform:rotate(180deg)}
.user-dropdown{top:calc(100% + 11px);width:288px;padding:8px;border-color:#e6eaf0;border-radius:18px;box-shadow:0 24px 64px rgba(15,23,42,.18),0 4px 12px rgba(15,23,42,.06);transform-origin:top right}
.user-dropdown:before{content:"";position:absolute;right:22px;top:-6px;width:12px;height:12px;background:#fff;border-left:1px solid #e6eaf0;border-top:1px solid #e6eaf0;transform:rotate(45deg)}
.user-card{position:relative;z-index:1;padding:10px 9px 13px;gap:11px}
.user-card .avatar.large{width:48px;height:48px;flex:0 0 48px}
.user-card b{font-size:14px;text-align:left!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-card small{display:block;max-width:190px;margin-top:3px;font-size:11px;text-align:left!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-dropdown>a,.user-dropdown form button{position:relative;z-index:1;min-height:42px;padding:10px 11px;font-size:13px;font-weight:700}
.user-dropdown>a:before{content:"◉";display:inline-block;width:23px;color:#667085}
.user-dropdown form button:before{content:"↪";display:inline-block;width:23px;color:#b42318}
.user-dropdown form button{color:#b42318}
.user-dropdown form button:hover{background:#fff1f2}

@media(max-width:700px){
  .topbar{padding:0 14px;gap:8px}
  .notification-dropdown{position:fixed;left:12px;right:12px;top:66px;width:auto;max-width:none;border-radius:16px}
  .notification-dropdown:before{display:none}
  .notification-dropdown-head{gap:8px;padding:14px}
  .notif-mark-all{font-size:11px}
  .notification-dropdown-body{max-height:420px}
  .user-dropdown{right:0;width:min(288px,calc(100vw - 24px))}
  .user-menu-trigger{padding-right:5px}
  .user-menu-trigger span{display:none}
}

/* Password visibility control — compact and aligned inside the field */
.password-field{position:relative;display:block;width:100%}
.password-field input{display:block;width:100%;padding-right:52px!important}
.password-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:0;border-radius:9px;background:transparent;color:#64748b;cursor:pointer;line-height:1;transition:background .18s ease,color .18s ease,box-shadow .18s ease;z-index:2}
.password-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.password-toggle .eye-closed{display:none}
.password-toggle.is-visible .eye-open{display:none}
.password-toggle.is-visible .eye-closed{display:block}
.password-toggle:hover{background:#f1f5f9;color:#334155}
.password-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(55,88,249,.16);color:var(--primary)}
.password-field:focus-within .password-toggle{color:var(--primary)}

/* CRUD modal/list pattern v6 */
.action-col{width:132px;text-align:center}.icon-actions{display:flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}.icon-actions form{margin:0;display:inline-flex}.icon-btn{position:relative;width:36px;height:36px;padding:0;border:1px solid #e3e8f0;border-radius:10px;background:#fff;color:#475467;display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:1;cursor:pointer;transition:.16s;text-decoration:none}.icon-btn:hover{border-color:#cdd6ff;background:#f5f7ff;color:var(--primary);transform:translateY(-1px)}.icon-btn.danger{color:#b42318}.icon-btn.danger:hover{border-color:#fecaca;background:#fff1f2;color:#b42318}.icon-btn.success{color:#15803d}.icon-btn.success:hover{border-color:#bbf7d0;background:#f0fdf4;color:#15803d}.icon-btn[data-tooltip]:after{content:attr(data-tooltip);position:absolute;left:50%;bottom:calc(100% + 9px);transform:translate(-50%,4px);padding:6px 8px;border-radius:7px;background:#101828;color:#fff;font-size:11px;font-weight:650;line-height:1;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:.14s;z-index:120;box-shadow:0 5px 14px rgba(15,23,42,.18)}.icon-btn[data-tooltip]:before{content:"";position:absolute;left:50%;bottom:calc(100% + 5px);transform:translateX(-50%);border:4px solid transparent;border-top-color:#101828;opacity:0;visibility:hidden;transition:.14s;z-index:121}.icon-btn[data-tooltip]:hover:after,.icon-btn[data-tooltip]:hover:before,.icon-btn[data-tooltip]:focus-visible:after,.icon-btn[data-tooltip]:focus-visible:before{opacity:1;visibility:visible;transform:translate(-50%,0)}.icon-btn[data-tooltip]:hover:before,.icon-btn[data-tooltip]:focus-visible:before{transform:translateX(-50%)}
.crud-modal{position:fixed;inset:0;z-index:150;display:none;align-items:center;justify-content:center;padding:22px}.crud-modal.open{display:flex}.crud-modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.48);backdrop-filter:blur(3px);animation:crudFade .16s ease}.crud-modal-card{position:relative;width:min(720px,100%);max-height:calc(100vh - 44px);overflow:auto;background:#fff;border:1px solid #e5e9f0;border-radius:20px;box-shadow:0 30px 90px rgba(15,23,42,.26);animation:crudPop .18s ease}.crud-modal-card.large{width:min(860px,100%)}.crud-modal-card>header{position:sticky;top:0;z-index:3;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 22px 16px;border-bottom:1px solid var(--line)}.crud-modal-card>header small{display:block;color:var(--primary);text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:800;margin-bottom:3px}.crud-modal-card>header h3{margin:0;font-size:20px}.crud-modal-card>.form-grid,.crud-modal-card>form{padding:22px}.modal-close{width:38px;height:38px;border:0;border-radius:10px;background:#f5f7fb;color:#667085;font-size:25px;line-height:1;cursor:pointer}.modal-close:hover{background:#eef1f6;color:#172033}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:5px;border-top:1px solid var(--line);margin-top:4px}.crud-modal.busy .crud-modal-card{pointer-events:none;opacity:.78}.table-user{display:flex;align-items:center;gap:10px}.table-user img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}body.modal-open{overflow:hidden}@keyframes crudFade{from{opacity:0}to{opacity:1}}@keyframes crudPop{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}@media(max-width:700px){.crud-modal{padding:10px;align-items:flex-end}.crud-modal-card,.crud-modal-card.large{width:100%;max-height:92vh;border-radius:18px 18px 12px 12px}.crud-modal-card>header{padding:15px 16px}.crud-modal-card>.form-grid,.crud-modal-card>form{padding:16px}.modal-actions{position:sticky;bottom:0;background:#fff;padding:12px 0 0}.action-col{width:116px}.icon-actions{gap:5px}.icon-btn{width:34px;height:34px}.icon-btn[data-tooltip]:after,.icon-btn[data-tooltip]:before{display:none}}

/* Attendance workflow v7 */
.attendance-new-bar{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin:-8px 0 20px;padding:16px 18px;border:1px solid #dfe5ff;border-radius:16px;background:#f8faff;animation:crudFade .18s ease}.attendance-new-bar[hidden]{display:none}.attendance-new-bar label{display:grid;gap:6px;min-width:250px;font-size:12px;font-weight:800}.attendance-new-bar select,.attendance-new-bar input{width:100%;padding:11px 12px;border:1px solid #d7dce5;border-radius:10px;background:#fff}.attendance-new-bar small{color:var(--muted);padding-bottom:10px}.panel-title-row{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:10px}.panel-title-row h3{margin:0 0 5px}.panel-title-row p{margin:0;color:var(--muted);font-size:13px}.attendance-history-row{cursor:pointer;transition:background .15s}.attendance-history-row:hover{background:#f8faff}.attendance-history-row.is-final{cursor:default}.attendance-history-row.is-final:hover{background:#fafbfc}.attendance-progress{display:flex;align-items:center;gap:9px;min-width:140px}.attendance-progress>span{width:92px;height:7px;border-radius:99px;background:#edf0f5;overflow:hidden}.attendance-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary2));border-radius:99px}.attendance-progress small{margin:0;white-space:nowrap}.status-badge{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;font-size:11px;font-weight:800}.status-badge.success{background:#ecfdf3;color:#15803d}.status-badge.warning{background:#fff7ed;color:#b45309}.muted{color:var(--muted)}.empty-table{padding:28px 10px;text-align:center}.empty-table b,.empty-table span{display:block}.empty-table span{margin-top:5px;color:var(--muted)}
.attendance-modal-card{width:min(980px,100%);height:min(820px,calc(100vh - 42px));display:flex;flex-direction:column;overflow:hidden}.attendance-modal-card>form{padding:0!important;display:flex;flex-direction:column;min-height:0;flex:1}.attendance-modal-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:#fbfcfe}.attendance-modal-tools span{font-size:12px;color:var(--muted);font-weight:700}.btn.small{padding:8px 11px;font-size:12px}.btn.secondary{background:#eef2ff;color:#3f51d7}.attendance-student-list{overflow:auto;min-height:220px;flex:1;padding:4px 20px}.attendance-student-row{display:grid;grid-template-columns:minmax(200px,1.2fr) 190px minmax(180px,1fr);gap:14px;align-items:center;padding:13px 2px;border-bottom:1px solid var(--line)}.attendance-student-row .student-name b,.attendance-student-row .student-name small{display:block}.attendance-student-row .student-name small{margin-top:4px;color:var(--muted)}.attendance-student-row select,.attendance-student-row input{width:100%;padding:10px 11px;border:1px solid #d7dce5;border-radius:10px;background:#fff}.attendance-student-row select:focus,.attendance-student-row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(55,88,249,.09)}.attendance-loading,.attendance-no-students{display:grid;place-items:center;min-height:220px;color:var(--muted);text-align:center}.attendance-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 20px;border-top:1px solid var(--line);background:#fff}.attendance-modal-footer>div{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}.attendance-lock-note{font-size:12px;color:var(--muted);max-width:360px}.attendance-modal.readonly .attendance-student-row select,.attendance-modal.readonly .attendance-student-row input{pointer-events:none;background:#f7f8fa;color:#667085}.attendance-modal.readonly [data-save-draft],.attendance-modal.readonly [data-finalize-attendance],.attendance-modal.readonly [data-mark-all-present]{display:none}
@media(max-width:760px){.attendance-new-bar{align-items:stretch}.attendance-new-bar label{min-width:100%}.attendance-modal{padding:8px;align-items:flex-end}.attendance-modal-card{height:min(90vh,820px);border-radius:18px 18px 10px 10px}.attendance-student-row{grid-template-columns:1fr;gap:8px;padding:15px 0}.attendance-modal-footer{align-items:stretch;flex-direction:column}.attendance-modal-footer>div{justify-content:stretch}.attendance-modal-footer .btn{flex:1}.attendance-modal-tools{align-items:flex-start;flex-direction:column}.attendance-table{min-width:820px}}

/* Inscripciones v8 */
.enrollment-new-panel{margin:-4px 0 20px;padding:18px 20px;border:1px solid #dfe5ee;border-radius:16px;background:#fff;box-shadow:0 10px 28px rgba(15,23,42,.05);animation:enrollmentReveal .18s ease}.enrollment-new-panel[hidden]{display:none}.enrollment-new-grid{display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,1.25fr) auto;gap:14px;align-items:end}.enrollment-new-grid label,.enrollment-filters label{display:grid;gap:7px;font-size:12px;font-weight:750;color:#344054}.enrollment-new-grid select,.enrollment-filters select,.enrollment-search input{width:100%;height:44px;border:1px solid #d7dce5;border-radius:11px;background:#fff;padding:0 12px;outline:none;transition:.16s}.enrollment-new-grid select:focus,.enrollment-filters select:focus,.enrollment-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(55,88,249,.1)}.enrollment-new-actions{display:flex;gap:8px}.enrollment-list-panel{padding:0;overflow:visible}.enrollment-list-head{padding:20px 22px 4px}.enrollment-list-head h3{margin:0}.enrollment-list-head p{margin:5px 0 0;color:var(--muted)}.enrollment-filters{display:grid;grid-template-columns:minmax(280px,1.6fr) minmax(190px,.8fr) minmax(150px,.55fr) auto;gap:12px;align-items:end;padding:16px 22px 20px;border-bottom:1px solid var(--line)}.enrollment-search>div{position:relative}.enrollment-search>div>span{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:18px;color:#98a2b3;pointer-events:none}.enrollment-search input{padding-left:39px}.enrollment-clear{height:44px;white-space:nowrap}.enrollment-table tbody tr[data-enrollment-row]{transition:background .15s,opacity .15s}.enrollment-table tbody tr[data-enrollment-row]:hover{background:#fafbff}.enrollment-table .icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.student-initial{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#eef2ff;color:#4054d8;border:1px solid #dfe4ff;font-size:12px;font-weight:850;flex:0 0 auto}.status-badge.muted{background:#f2f4f7;color:#667085;border-color:#e4e7ec}@keyframes enrollmentReveal{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}@media(max-width:980px){.enrollment-new-grid{grid-template-columns:1fr 1fr}.enrollment-new-actions{grid-column:1/-1;justify-content:flex-end}.enrollment-filters{grid-template-columns:1fr 1fr}.enrollment-search{grid-column:1/-1}.enrollment-clear{justify-self:start}}@media(max-width:650px){.enrollment-new-grid,.enrollment-filters{grid-template-columns:1fr}.enrollment-new-actions{grid-column:auto;display:grid;grid-template-columns:1fr 1fr}.enrollment-clear{width:100%}.enrollment-list-head{padding:18px 16px 2px}.enrollment-filters{padding:14px 16px 18px}.enrollment-table .action-col{width:64px}}

/* Flexible builders v9 */
.builder-head-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.course-builder-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:20px;align-items:start}.course-outline{position:sticky;top:82px;padding:14px}.outline-title{display:flex;justify-content:space-between;align-items:center;padding:5px 7px 12px;border-bottom:1px solid var(--line);margin-bottom:7px}.outline-title span{font-size:11px;color:var(--muted)}.course-outline>a{display:grid;grid-template-columns:28px 1fr;gap:8px;padding:10px 8px;border-radius:10px;color:var(--text);text-decoration:none;font-size:13px}.course-outline>a:hover{background:#f5f7ff}.course-outline>a>span{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:#eef2ff;color:var(--primary);font-weight:800}.course-outline>a small{grid-column:2;color:var(--muted);font-size:10px}.course-builder-main{display:grid;gap:18px;min-width:0}.section-head{display:flex;justify-content:space-between;gap:15px}.section-head h3{margin:2px 0 5px}.section-head p{margin:0;color:var(--muted)}.guide-preview{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.guide-preview>div{padding:14px;border:1px solid var(--line);border-radius:12px;background:#fbfcff}.guide-preview b{font-size:12px}.guide-preview p{margin:7px 0 0;color:#566070;line-height:1.55}.empty-builder{text-align:center;padding:44px 20px}.empty-builder-icon{width:58px;height:58px;border-radius:18px;background:#eef2ff;color:var(--primary);display:grid;place-items:center;margin:0 auto 14px;font-size:27px;font-weight:900}.empty-builder h3{margin:0 0 7px}.empty-builder p{max-width:560px;margin:0 auto 18px;color:var(--muted);line-height:1.55}.course-module-card{padding:0;overflow:visible}.module-head{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:14px;padding:19px 20px;border-bottom:1px solid var(--line)}.module-index{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#eef2ff;color:var(--primary);font-weight:900}.module-copy h3{margin:6px 0 4px}.module-copy p{margin:0;color:var(--muted)}.module-items{padding:5px 20px 15px}.module-item{display:grid;grid-template-columns:36px minmax(0,1fr) 12px 34px 34px;align-items:center;gap:9px;padding:11px 0;border-bottom:1px solid var(--line)}.module-item:last-child{border-bottom:0}.module-item.resource{grid-template-columns:36px minmax(0,1fr) 12px 34px}.module-item b,.module-item small{display:block}.module-item small{margin-top:3px;color:var(--muted)}.content-type-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#f2f4f7;color:#475467;font-weight:800}.status-dot{width:8px;height:8px;border-radius:50%;background:#d0d5dd}.status-dot.on{background:#22a06b}.icon-btn.mini{width:30px;height:30px;font-size:13px}.module-empty{padding:22px;text-align:center;color:var(--muted)}
.exam-builder-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.exam-builder-head h1{margin:3px 0}.exam-builder-head p{margin:0;color:var(--muted)}.exam-builder-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.exam-builder-stats>div{padding:15px 17px;border:1px solid var(--line);border-radius:14px;background:#fff}.exam-builder-stats span,.exam-builder-stats b{display:block}.exam-builder-stats span{font-size:11px;color:var(--muted);text-transform:uppercase;font-weight:800;letter-spacing:.05em}.exam-builder-stats b{font-size:20px;margin-top:5px}.exam-designer{display:grid;grid-template-columns:235px minmax(0,1fr);gap:18px;align-items:start}.exam-toolbox{position:sticky;top:82px;padding:16px}.exam-toolbox h3{margin:0 0 4px}.exam-toolbox>p{margin:0 0 13px;color:var(--muted);font-size:12px}.exam-toolbox>button{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px;display:grid;grid-template-columns:34px 1fr;text-align:left;gap:1px 9px;margin:7px 0;cursor:pointer;color:var(--text)}.exam-toolbox>button:hover{border-color:#cfd7ff;background:#fafbff}.exam-toolbox>button>span{grid-row:1/3;width:32px;height:32px;border-radius:9px;background:#f0f3ff;color:var(--primary);display:grid;place-items:center;font-weight:900}.exam-toolbox button b{font-size:12px}.exam-toolbox button small{font-size:10px;color:var(--muted)}.exam-canvas{min-width:0}.exam-canvas-head{display:flex;justify-content:space-between;margin-bottom:10px}.exam-canvas-head h3{margin:0}.exam-canvas-head p{margin:4px 0;color:var(--muted);font-size:12px}.exam-question-stack{display:grid;gap:12px}.designer-question{display:grid;grid-template-columns:26px minmax(0,1fr) 42px;padding:17px 14px 17px 9px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 5px 18px rgba(15,23,42,.035);transition:.15s}.designer-question:hover{border-color:#d7ddf8;box-shadow:0 9px 25px rgba(15,23,42,.06)}.designer-question.dragging{opacity:.45}.drag-handle{cursor:grab;color:#98a2b3;font-weight:900;padding-top:6px}.question-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:11px}.designer-question-body h3{font-size:15px;margin:10px 0 12px;line-height:1.5}.designer-question-body h3>span{color:var(--primary)}.designer-options{display:grid;gap:7px}.designer-options>div{display:flex;gap:9px;align-items:center;border:1px solid #edf0f5;border-radius:10px;padding:8px 10px;font-size:12px}.designer-options>div.correct{border-color:#b7e5cc;background:#f1fbf5}.designer-options>div b{margin-left:auto;color:#15803d}.designer-actions{display:grid;align-content:start;gap:5px}.designer-actions form{margin:0}.answer-placeholder{border:1px dashed #d7dce5;border-radius:10px;padding:10px;color:#98a2b3;font-size:12px}.answer-placeholder.lines{min-height:65px}.question-feedback{margin-top:11px;padding:9px 11px;border-radius:9px;background:#fff9ed;color:#7a5420;font-size:11px}.question-options-editor{border:1px solid var(--line);border-radius:13px;padding:14px}.options-editor-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.options-editor-head b,.options-editor-head small{display:block}.options-editor-head small{color:var(--muted);margin-top:3px}.option-editor-row{display:grid;grid-template-columns:20px minmax(0,1fr) 38px 32px;gap:7px;align-items:center;margin:7px 0}.option-grip{color:#98a2b3;text-align:center}.option-editor-row .option-text{width:100%}.correct-toggle input{position:absolute;opacity:0}.correct-toggle span{width:36px;height:36px;border:1px solid var(--line);border-radius:9px;display:grid;place-items:center;color:#98a2b3;cursor:pointer}.correct-toggle input:checked+span{background:#ecfdf3;border-color:#a8dfbd;color:#15803d;font-weight:900}.exam-preview-body{padding:20px}.preview-instructions{padding:12px 14px;background:#f7f8fa;border-radius:10px;color:#566070;margin-bottom:14px}.preview-question{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}.preview-question h3{margin:2px 0 4px;font-size:15px}.preview-question .answers{margin-top:10px}.student-course-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px;align-items:start}.course-student-guide>div{padding-top:9px}.course-student-guide p{line-height:1.6}.course-module-student{display:grid;gap:13px;margin:15px 0}.student-module{padding:0;overflow:hidden}.student-module summary{list-style:none;display:grid;grid-template-columns:42px minmax(0,1fr) 28px;gap:12px;align-items:start;padding:17px 18px;cursor:pointer}.student-module summary::-webkit-details-marker{display:none}.student-module summary h3{margin:3px 0 4px}.student-module summary p{margin:0;color:var(--muted)}.student-module summary small{font-size:9px;color:var(--primary);font-weight:900;letter-spacing:.08em}.module-chevron{font-size:20px;transition:.2s}.student-module[open] .module-chevron{transform:rotate(180deg)}.student-module-body{border-top:1px solid var(--line);padding:5px 18px 16px}.student-content-item{display:grid;grid-template-columns:38px 1fr;gap:11px;padding:14px 0;border-bottom:1px solid var(--line)}.student-content-item:last-child{border-bottom:0}.student-content-item p{margin:6px 0;color:#596273;line-height:1.6}.content-item-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
@media(max-width:980px){.course-builder-layout,.exam-designer{grid-template-columns:1fr}.course-outline,.exam-toolbox{position:static}.course-outline{display:none}.exam-toolbox{display:grid;grid-template-columns:repeat(2,1fr)}.exam-toolbox>h3,.exam-toolbox>p{grid-column:1/-1}.exam-toolbox>button{margin:2px}.student-course-layout{grid-template-columns:1fr}.exam-builder-stats{grid-template-columns:1fr 1fr}}@media(max-width:650px){.guide-preview{grid-template-columns:1fr}.module-head{grid-template-columns:38px 1fr}.module-head>.icon-actions{grid-column:1/-1;justify-content:flex-end}.exam-builder-head{align-items:flex-start;flex-direction:column}.exam-builder-stats{grid-template-columns:1fr 1fr}.exam-toolbox{grid-template-columns:1fr}.designer-question{grid-template-columns:20px minmax(0,1fr)}.designer-actions{grid-column:2;display:flex;margin-top:8px}.option-editor-row{grid-template-columns:minmax(0,1fr) 38px 32px}.option-grip{display:none}.student-module summary{grid-template-columns:36px minmax(0,1fr) 22px}}