:root{--navy:#08263d;--navy2:#0b3555;--blue:#2674dc;--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#7b8494;--border:#e6eaf0;--green:#25b87a;--orange:#f59d2a;--pink:#ea4c89}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.sidebar{position:fixed;left:0;top:0;bottom:0;width:245px;background:linear-gradient(180deg,var(--navy),#062038);color:#fff;padding:20px 14px;overflow:auto}.brand{display:flex;gap:12px;align-items:center;font-size:18px;line-height:1.05}.brand-mark{font-size:32px}.brand span{display:block}.profile{display:flex;gap:10px;align-items:center;padding:22px 2px;border-bottom:1px solid rgba(255,255,255,.15)}.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#dfe9f4;color:#123;font-weight:700}.profile small{display:block;color:#67dfa9;margin-top:3px}.sidebar nav p{font-size:12px;letter-spacing:.08em;color:#c7d4df;margin:20px 10px 7px}.sidebar nav a,.logout{display:block;padding:11px 12px;border-radius:10px;margin:3px 0;color:#eff5fa}.sidebar nav a:hover{background:rgba(255,255,255,.08)}.logout{margin-top:24px;border-top:1px solid rgba(255,255,255,.15);border-radius:0;padding-top:18px}.app{margin-left:245px}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:18px;padding:0 28px;position:sticky;top:0;z-index:3}.menu-btn{display:none;border:0;background:none;font-size:24px}.search{margin:auto;width:min(420px,45%);border:1px solid var(--border);border-radius:10px;padding:11px 15px;color:#9aa3af}.top-user{white-space:nowrap}.content{padding:24px 30px 40px}.welcome h1{margin:0 0 5px;font-size:25px}.welcome p{margin:0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stat,.card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 3px 12px rgba(27,43,65,.05)}.stat{padding:18px}.stat strong{font-size:28px;display:block}.stat span{color:var(--muted);font-size:13px}.grid-2{display:grid;grid-template-columns:2fr 1fr;gap:18px}.card{padding:18px;margin-bottom:18px}.card h2{font-size:17px;margin:0 0 15px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.course{border:1px solid var(--border);border-radius:12px;overflow:hidden}.course .cover{height:95px;background:linear-gradient(135deg,#3a54d8,#6d36b8);display:flex;align-items:center;justify-content:center;font-size:42px}.course .body{padding:12px}.course small{color:var(--muted)}.progress{height:7px;background:#e8edf4;border-radius:99px;margin-top:12px}.progress i{display:block;height:100%;background:var(--green);border-radius:99px}.list{display:grid;gap:10px}.item{display:flex;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff}.item small{color:var(--muted);display:block;margin-top:3px}.badge{padding:5px 9px;border-radius:99px;background:#eef4ff;color:#2865c7;font-size:12px;height:max-content}.btn{display:inline-block;border:0;border-radius:9px;padding:10px 14px;background:var(--blue);color:#fff;cursor:pointer;font-weight:600}.btn.secondary{background:#eef4ff;color:#265da8}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:9px;padding:10px 12px;font:inherit;background:#fff}.field textarea{min-height:110px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:11px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}th{color:#657084;background:#fafbfc}.notice{padding:11px 13px;border-radius:9px;background:#ecf8f1;color:#22714c;margin-bottom:15px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick{padding:18px;text-align:center;border:1px solid var(--border);border-radius:12px;background:#fff}.quick b{display:block;margin-top:7px}
@media(max-width:1000px){.stats{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.sidebar{transform:translateX(-100%);transition:.2s;z-index:10}.menu-open .sidebar{transform:none}.app{margin-left:0}.menu-btn{display:block}.topbar{padding:0 15px}.search{display:none}.content{padding:18px 14px}.stats,.course-grid,.form-grid,.quick-grid{grid-template-columns:1fr}.top-user{margin-left:auto}.item{flex-direction:column}}

/* ===== Campus Yaresuelvo V1.3 ===== */
.page-heading,.section-title{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}.page-heading h1,.section-title h2{margin:0}.page-heading p,.section-title p{margin:5px 0 0}.muted{color:var(--muted)}.notice-error{background:#fff1f2;color:#a61b34}.field small{color:var(--muted);font-size:12px}.check-line{display:flex;align-items:center;gap:8px;font-size:14px}.check-line input{width:auto}.admin-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.admin-course-card{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff}.admin-course-cover{width:100%;height:150px;object-fit:cover;display:block}.course-cover-fallback{background:linear-gradient(135deg,#173b5d,#4778c8);display:grid;place-items:center;color:#fff}.course-cover-fallback span{font-size:54px;font-weight:800;opacity:.9}.admin-course-body{padding:16px}.admin-course-body h3{margin:10px 0 5px}.admin-course-body p{color:var(--muted);font-size:13px;min-height:34px}.course-meta-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.admin-course-body details{border-top:1px solid var(--border);margin-top:14px;padding-top:12px}.admin-course-body summary{cursor:pointer;font-weight:700;color:#375572}.compact-form{display:grid;gap:9px;margin-top:12px}.compact-form label{display:grid;gap:5px;font-size:12px;font-weight:700}.compact-form input,.compact-form textarea{border:1px solid var(--border);border-radius:8px;padding:9px;font:inherit}.compact-form textarea{min-height:75px}.course-admin-link{margin-top:12px}.unit-admin-list{display:grid;gap:10px}.unit-admin-item{border:1px solid var(--border);border-radius:12px;background:#fff;padding:0 14px}.unit-admin-item summary{display:flex;align-items:center;gap:12px;cursor:pointer;padding:14px 0}.unit-admin-item summary small{display:block;color:var(--muted);margin-top:3px}.unit-number{width:40px;height:40px;border-radius:12px;background:#eef4ff;color:#245ba7;display:grid;place-items:center;font-weight:800;flex:0 0 auto}.unit-edit-form{border-top:1px solid var(--border);padding:14px 0}

.student-theme{background:#f3f6fb}.student-home{max-width:1450px;margin:0 auto}.student-welcome{position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 32px;border-radius:20px;background:linear-gradient(115deg,#082d4a,#124d78);color:#fff;box-shadow:0 10px 28px rgba(8,38,61,.13)}.student-welcome:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-70px;top:-90px;background:rgba(255,255,255,.08)}.student-welcome h1{font-size:30px;margin:5px 0}.student-welcome p{margin:0;color:#d7e5f0}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.15em;color:#8ed8ff}.welcome-orb{width:76px;height:76px;border-radius:24px;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:38px;position:relative;z-index:1}.student-stats{margin:18px 0 28px}.student-stats .stat{border:0;box-shadow:0 5px 18px rgba(27,43,65,.06)}.student-courses-section{margin-top:4px}.student-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.student-course-card{position:relative;overflow:hidden;border-radius:18px;background:#fff;border:1px solid #e8ecf2;box-shadow:0 8px 24px rgba(17,38,63,.07);transition:transform .18s ease,box-shadow .18s ease;min-width:0}.student-course-image{width:100%;height:190px;object-fit:cover;display:block}.student-course-overlay{position:absolute;left:14px;top:150px}.course-chip{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;background:rgba(8,38,61,.88);color:#fff;font-size:11px;font-weight:800;letter-spacing:.04em;backdrop-filter:blur(5px)}.student-course-body{padding:18px}.student-course-body h3{font-size:19px;margin:0 0 8px}.student-course-body p{color:var(--muted);font-size:13px;line-height:1.45;margin:0;min-height:38px}.student-course-footer{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;border-top:1px solid var(--border);padding-top:14px;margin-top:16px;font-size:12px;color:var(--muted)}.student-course-footer strong{color:#245f9c;text-align:right}.empty-state{text-align:center;background:#fff;border:1px dashed #ccd5e0;border-radius:16px;padding:36px 20px;color:var(--muted)}.empty-state span{font-size:38px}.empty-state h3{color:var(--text);margin:8px 0}.empty-state p{margin:0}

.course-page{max-width:1450px;margin:0 auto}.back-link{display:inline-flex;margin-bottom:14px;color:#4e6479;font-size:13px;font-weight:700}.course-hero{height:310px;position:relative;overflow:hidden;border-radius:22px;background:#153c5b;color:#fff;box-shadow:0 10px 30px rgba(11,42,66,.14)}.course-hero>img{width:100%;height:100%;object-fit:cover}.course-hero-fallback{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(135deg,#173b5d,#4b7fc3);font-size:120px;font-weight:800;color:rgba(255,255,255,.35)}.course-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,25,42,.94) 0%,rgba(4,25,42,.72) 48%,rgba(4,25,42,.18) 100%)}.course-hero-content{position:absolute;left:34px;right:34px;bottom:32px;max-width:800px}.course-hero-content h1{font-size:36px;line-height:1.08;margin:12px 0 8px}.course-hero-content p{color:#e2edf5;line-height:1.5;margin:0;max-width:700px}.hero-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:12px;color:#dbe9f3}.course-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 25px}.course-summary-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 18px;display:grid;gap:3px}.course-summary-card span,.course-summary-card small{color:var(--muted);font-size:12px}.course-summary-card strong{font-size:25px}.progress-summary .progress{margin-top:8px}.course-unit{background:#fff;border:1px solid var(--border);border-radius:18px;margin-bottom:20px;overflow:hidden;box-shadow:0 4px 18px rgba(27,43,65,.045)}.unit-head{display:flex;align-items:flex-start;gap:14px;padding:22px 24px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#fff,#fbfcfe)}.unit-index{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:#0f4f78;color:#fff;font-size:20px;font-weight:800;flex:0 0 auto}.unit-head h2{margin:2px 0 6px;font-size:20px}.unit-head p{margin:0;color:var(--muted);font-size:13px}.unit-kicker{font-size:10px;font-weight:800;letter-spacing:.12em;color:#4c7597}.general-unit .unit-head{background:#f8fbff}.unit-content-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}.unit-column{padding:20px 22px;min-width:0}.unit-column+ .unit-column{border-left:1px solid var(--border)}.column-title{display:flex;align-items:center;gap:10px;margin-bottom:14px}.column-title>span{width:36px;height:36px;border-radius:10px;background:#eef4ff;display:grid;place-items:center}.column-title strong{display:block}.column-title small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.unit-empty{margin:0;color:#9aa4b2;font-size:13px;padding:14px;border:1px dashed var(--border);border-radius:10px}.resource-list{display:grid;gap:9px}.resource-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:12px;border:1px solid var(--border);border-radius:11px;background:#fff}.resource-icon{width:36px;height:36px;border-radius:9px;background:#eaf7f0;color:#178258;display:grid;place-items:center;font-weight:800}.resource-item strong{display:block;font-size:13px}.resource-item small{display:block;color:var(--muted);font-size:11px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:330px}.resource-item>b{font-size:11px;color:#2571b7}.task-stack{display:grid;gap:11px}.course-task{border:1px solid var(--border);border-radius:12px;padding:14px}.course-task.is-done{border-color:#bfe3d3;background:#fbfffd}.task-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.task-top h3{font-size:14px;margin:5px 0 0}.task-status{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:#b26b13}.is-done .task-status{color:#208357}.course-task>p{font-size:12px;color:var(--muted);line-height:1.45}.task-meta{font-size:11px;color:#6f7d8c;margin-top:8px}.submission-box{background:#eef8f3;border-radius:9px;padding:10px;margin-top:10px}.submission-box strong,.submission-box small{display:block}.submission-box small{font-size:11px;color:#5f7469;margin-top:3px}.submission-box p{font-size:12px;margin:8px 0 0}.submit-details{margin-top:10px;border-top:1px solid var(--border);padding-top:9px}.submit-details summary{cursor:pointer;color:#2866a4;font-size:12px;font-weight:700}.submit-form{display:grid;gap:8px;margin-top:10px}.submit-form label{display:grid;gap:4px;font-size:11px;font-weight:700}.submit-form input{border:1px solid var(--border);border-radius:8px;padding:8px;font:inherit;font-size:12px}
@media (hover:hover) and (pointer:fine){.student-course-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(17,38,63,.12)}.resource-item:hover{border-color:#bdd4ea;background:#fbfdff}}
@media(max-width:1100px){.admin-course-grid,.student-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.unit-content-grid{grid-template-columns:1fr}.unit-column+ .unit-column{border-left:0;border-top:1px solid var(--border)}}
@media(max-width:720px){.page-heading{align-items:stretch}.admin-course-grid,.student-course-grid,.course-summary-grid{grid-template-columns:1fr}.student-welcome{padding:24px 20px}.welcome-orb{display:none}.student-course-image{height:165px}.student-course-overlay{top:126px}.course-hero{height:360px}.course-hero-content{left:20px;right:20px;bottom:24px}.course-hero-content h1{font-size:28px}.course-hero-shade{background:linear-gradient(0deg,rgba(4,25,42,.94) 0%,rgba(4,25,42,.6) 70%,rgba(4,25,42,.25) 100%)}.unit-head{padding:18px}.unit-content-grid{display:block}.unit-column{padding:18px}.resource-item{grid-template-columns:auto 1fr}.resource-item>b{grid-column:2}.resource-item small{max-width:210px}.student-course-footer{align-items:flex-start;flex-direction:column}.course-summary-grid{gap:10px}}

/* Campus Yaresuelvo V1.4 · administración visual */
.admin-heading h1 span{font-size:.72em;font-weight:600;color:#5d6878}.course-cards-section{margin-top:18px}.course-create-panel{margin-bottom:20px}.polished-course-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.polished-course-card{border-radius:15px;box-shadow:0 5px 18px rgba(27,43,65,.07);transition:transform .16s ease,box-shadow .16s ease}.course-card-media{position:relative}.polished-course-card .admin-course-cover{height:150px}.course-code-chip{position:absolute;left:14px;top:12px;padding:7px 10px;border-radius:10px;background:rgba(21,35,58,.82);color:#fff;font-size:11px;font-weight:800;letter-spacing:.04em;backdrop-filter:blur(5px)}.polished-course-card .admin-course-body{padding:15px}.polished-course-card .admin-course-body h3{font-size:17px;margin:0 0 5px}.course-description{min-height:38px!important;line-height:1.45;margin:0!important}.course-period{font-size:11px;color:#57677a;margin-top:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.course-stat-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.course-stat-row>div{border:1px solid var(--border);background:#fafbfe;border-radius:9px;padding:10px 12px}.course-stat-row strong,.course-stat-row span{display:block}.course-stat-row strong{font-size:18px;color:#162a49}.course-stat-row span{font-size:10px;color:var(--muted);margin-top:2px}.course-card-actions,.student-card-actions{display:flex;gap:7px;align-items:center;margin-top:13px;flex-wrap:wrap}.mini-btn{min-height:32px;padding:7px 9px;border:1px solid #d7e2f1;background:#f8fbff;border-radius:7px;color:#225ca9;font:inherit;font-size:11px;font-weight:700;cursor:pointer}.mini-btn.edit{color:#26763f;border-color:#cde7d6;background:#f3fbf6}.inline-delete{display:inline;margin-left:auto}.icon-delete{width:32px;height:32px;border:0;border-radius:7px;background:#ef3340;color:#fff;cursor:pointer}.course-edit-drawer,.student-edit-drawer{display:grid;gap:9px;border-top:1px solid var(--border);margin-top:14px;padding-top:14px}.course-edit-drawer[hidden],.student-edit-drawer[hidden],[data-new-course-panel][hidden],[data-new-student-panel][hidden]{display:none!important}.course-edit-drawer label,.student-edit-drawer label{display:grid;gap:5px;font-size:11px;font-weight:700}.course-edit-drawer input,.course-edit-drawer textarea,.student-edit-drawer input{width:100%;padding:9px;border:1px solid var(--border);border-radius:8px;font:inherit}.course-edit-drawer textarea{min-height:76px;resize:vertical}.drawer-actions{display:flex;gap:8px;flex-wrap:wrap}.student-admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.student-admin-card{border:1px solid var(--border);border-radius:14px;padding:16px;background:#fff}.student-card-head{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}.student-avatar-lg,.student-avatar-sm{display:grid;place-items:center;border-radius:50%;background:#e9efff;color:#3959b8;font-weight:800}.student-avatar-lg{width:48px;height:48px}.student-avatar-sm{width:38px;height:38px}.student-identity{min-width:0}.student-identity h3{font-size:15px;margin:0 0 4px}.student-identity p{font-size:11px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.status-pill{display:inline-flex;align-items:center;justify-content:center;padding:5px 8px;border-radius:999px;font-size:10px;font-weight:800}.status-pill.active{background:#eaf8ef;color:#198143}.status-pill.inactive{background:#fff0f1;color:#d3323d}.student-mini-stats{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--border);margin-top:14px;padding-top:12px;color:var(--muted);font-size:10px}.student-mini-stats strong{color:var(--text)}.enrollment-toolbar form{display:block}.enrollment-toolbar label{display:grid;gap:7px;font-size:12px;font-weight:800}.enrollment-toolbar select{padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:#fff;font:inherit}.enrollment-list{display:grid;gap:8px}.enrollment-row{display:grid;grid-template-columns:auto auto 1fr auto;gap:12px;align-items:center;padding:11px 13px;border:1px solid var(--border);border-radius:11px;background:#fff;cursor:pointer;transition:border-color .15s ease,background .15s ease}.enrollment-row>input{width:18px;height:18px}.enrollment-row.is-enrolled{border-color:#b8d3f2;background:#f8fbff}.enrollment-row.is-focus{box-shadow:0 0 0 2px #c8daf5}.enrollment-person{min-width:0}.enrollment-person strong,.enrollment-person small{display:block}.enrollment-person strong{font-size:13px}.enrollment-person small{font-size:11px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.enrollment-save{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--border);margin-top:16px;padding-top:16px;font-size:12px;color:var(--muted)}
@media (hover:hover) and (pointer:fine){.polished-course-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(27,43,65,.11)}.mini-btn:hover{background:#edf5ff}}
@media(max-width:1250px){.polished-course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.student-admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.polished-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.polished-course-grid,.student-admin-grid{grid-template-columns:1fr}.student-card-head{grid-template-columns:auto 1fr}.student-card-head .status-pill{grid-column:2;justify-self:start}.enrollment-row{grid-template-columns:auto auto 1fr}.enrollment-row .status-pill{grid-column:3;justify-self:start}.enrollment-save{align-items:stretch;flex-direction:column}.enrollment-save .btn{width:100%}}