/* Tokens from the ConceptViz extraction (Taste). Layout stays the panel's. */
:root{
  --color-bg:#FAFAF7;
  --color-surface:#FFFFFF;
  --color-text:#0E1526;
  --color-text-soft:#3A4256;
  --color-muted:#6B7280;
  --color-line:#E5E5E0;
  --color-line-strong:rgba(15,21,38,.12);
  --color-primary:#2563EB;
  --color-primary-ink:#FFFFFF;
  --color-primary-soft:#DBE6FF;
  --color-focus:rgba(37,99,235,.4);
  --color-success:#16A34A;
  --color-success-bg:rgba(22,163,74,.12);
  --color-warning:#0E1526;
  --color-warning-bg:#FFF6E5;
  --color-warning-line:#F5A623;
  --color-error:#B42318;
  --color-error-bg:#FEF2F2;
  --color-toast:#0F172A;
  --color-toast-text:#FFFFFF;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --shadow-sm:0 4px 8px #0000000d,0 1px 2px -1px #0000000d;
  --shadow-md:0 4px 8px #0000000d,0 2px 4px -1px #0000000d;
  --shadow-lg:0 4px 8px #0000000d,0 8px 10px -1px #0000000d;
  --font:"DM Sans",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:22px;overflow-x:hidden}
img{max-width:100%}
::selection{background:var(--color-primary-soft)}
.hidden{display:none!important}
.view{display:none}.view.active{display:block}
.muted{color:var(--color-muted)}.tiny{font-size:12px;line-height:16px}.error{color:var(--color-error);font-size:13px}
.mono{font-family:var(--mono);font-size:12px}
.pre{white-space:pre-wrap;font-size:14px;line-height:22px}
.pre img{display:block;margin-top:12px}
.kicker{font-family:var(--mono);font-size:11px;line-height:16px;letter-spacing:.08em;font-weight:500;color:var(--color-muted);margin:0 0 6px}
.lbl{font-family:var(--mono);font-size:11px;line-height:16px;letter-spacing:.06em;font-weight:500;color:var(--color-muted)}

.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}
.login-card{width:100%;max-width:400px;padding:36px 32px;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);display:flex;flex-direction:column;justify-content:center}
.brand{font-weight:600;letter-spacing:-.01em;font-size:15px;display:flex;align-items:center;gap:10px;color:var(--color-text)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-sm);background:var(--color-primary);color:var(--color-primary-ink);font-weight:600}
.brand.small{font-size:14px}
.login-card h1{margin:24px 0 4px;font-size:30px;line-height:36px;font-weight:600;letter-spacing:-.02em}
.login-card form{display:flex;flex-direction:column;gap:14px;margin-top:20px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--color-text-soft)}
input,textarea,select{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-sm);color:var(--color-text);padding:10px 12px;font-size:14px;font-family:inherit}
textarea{min-height:88px;resize:vertical;line-height:22px}
input:focus,textarea:focus,select:focus{outline:2px solid var(--color-focus);outline-offset:1px;border-color:var(--color-primary)}

.btn{border:1px solid var(--color-line-strong);background:var(--color-surface);color:var(--color-text);padding:8px 14px;font-weight:500;cursor:pointer;font-size:14px;font-family:inherit;border-radius:var(--radius-sm);letter-spacing:0}
.btn:hover{color:var(--color-primary);border-color:rgba(37,99,235,.4);background:var(--color-surface)}
.btn.primary{background:var(--color-primary);border-color:transparent;color:var(--color-primary-ink)}
.btn.primary:hover{background:var(--color-primary);color:var(--color-primary-ink);box-shadow:var(--shadow-sm)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.big{padding:12px 16px;width:100%}
.btn.small{padding:6px 12px;font-size:13px}
.back{background:none;border:none;color:var(--color-muted);cursor:pointer;font-size:13px;font-weight:500;font-family:inherit;margin:18px 0 10px;padding:0}
.back:hover{color:var(--color-primary)}

.topbar{display:flex;justify-content:space-between;align-items:center;padding:0 20px;height:56px;background:var(--color-surface);border-bottom:1px solid var(--color-line);position:sticky;top:0;z-index:5}
.top-left,.top-right{display:flex;align-items:center;gap:16px}
.credits{display:flex;align-items:center;gap:10px;border-radius:var(--radius-sm);padding:6px 12px;background:var(--color-primary-soft)}
.credits b{font-family:var(--mono);font-size:15px;font-weight:500;color:var(--color-primary)}
.container{max-width:1080px;margin:0 auto;padding:28px 20px 64px}
.container.narrow{max-width:720px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin:6px 0 16px;padding-bottom:16px;border-bottom:1px solid var(--color-line);flex-wrap:wrap}
.page-head h1,.login-card h1,h1{font-weight:600;letter-spacing:-.02em}
.page-head h1{margin:0;font-size:24px;line-height:32px}
.stat-row{display:flex;gap:8px}
.stat{border:1px solid var(--color-line);border-radius:var(--radius-md);padding:8px 18px;background:var(--color-surface);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:2px;min-width:110px}
.stat b{font-family:var(--mono);font-size:18px;font-weight:500}

.list-head{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:0;font-family:var(--mono);font-size:11px;letter-spacing:.06em;font-weight:500;color:var(--color-muted);padding:4px 16px 8px}
.rows{display:flex;flex-direction:column;gap:8px}
.row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:0;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:14px 16px;cursor:pointer;align-items:center}
.row:hover{background:var(--color-bg)}
.row .r-name{font-weight:600}
.empty{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:48px 20px;margin-top:16px;text-align:center}
.empty h3{margin:0 0 6px;font-weight:600}

.panel{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}
.panels{display:grid;gap:12px}
.panels .panel{border:1px solid var(--color-line)}
.panel h3{margin:0 0 10px;font-size:14px;font-weight:600;letter-spacing:0}
.form-card{display:flex;flex-direction:column;gap:20px;margin-top:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check{flex-direction:row!important;align-items:center;gap:10px!important;font-weight:500;border:1px solid var(--color-line);border-radius:var(--radius-sm);padding:10px 12px}
.step{display:flex;flex-direction:column;gap:8px;padding-top:4px}
.step + .step{border-top:1px solid var(--color-line);padding-top:18px}
.step h3{margin:0;font-size:16px;font-weight:600;display:flex;align-items:center;gap:10px}
.hint{margin:0;color:var(--color-muted);font-size:13px;line-height:20px}
.upload-block h3{margin:0 0 10px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px}
.idx{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:var(--color-primary-soft);color:var(--color-primary);font-size:11px;font-family:var(--mono)}
.file-drop{border:1px dashed var(--color-line-strong);border-radius:var(--radius-md);padding:14px;text-align:center;cursor:pointer;color:var(--color-muted);font-weight:500;margin-top:8px;font-size:13px;flex:1;background:var(--color-bg)}
.file-drop input{display:none}
.file-row{display:flex;gap:10px;align-items:stretch;margin-top:8px}
.file-row .file-drop{margin-top:0}
.file-row .btn{white-space:nowrap;align-self:center}
.file-name{color:var(--color-primary);font-size:12px;font-family:var(--mono)}

.tabs{display:flex;margin:16px 0;border:1px solid var(--color-line);border-radius:var(--radius-sm);width:max-content;background:var(--color-surface);overflow:hidden}
.tab{background:transparent;border:none;border-right:1px solid var(--color-line);color:var(--color-muted);padding:8px 18px;cursor:pointer;font-weight:500;font-size:14px;font-family:inherit}
.tab:last-child{border-right:none}
.tab.active{background:var(--color-primary);color:var(--color-primary-ink)}

.dropzone{border:1px dashed var(--color-line-strong);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm);padding:28px;text-align:center;cursor:pointer;margin-bottom:12px}
.dropzone.over{background:var(--color-primary-soft);border-color:var(--color-primary)}
.dropzone.over .dz-title{color:var(--color-primary)}
.dz-title{font-weight:600;letter-spacing:.04em;font-size:13px;margin:0 0 6px}
.dz-student{padding:26px 20px}
.dz-iconbox{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary);margin-bottom:10px}
.dz-steps{list-style:none;padding:0;margin:14px auto;max-width:520px;text-align:left;border-top:1px solid var(--color-line)}
.dz-steps li{display:flex;gap:12px;align-items:center;padding:8px 2px;border-bottom:1px solid var(--color-line);font-size:14px}
.dz-steps b{font-family:var(--mono);color:var(--color-primary);font-size:12px;font-weight:500}
.dz-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:14px 0 10px}
.dz-actions .btn{padding:12px 20px;min-width:170px;text-align:center}

.tasks{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.task{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden;cursor:pointer}
.task img{width:100%;height:150px;object-fit:cover;background:var(--color-bg);display:block}
.task .t-body{padding:12px 14px}
.task .t-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600;gap:8px}
.task .nota{font-family:var(--mono);font-size:20px;font-weight:500;margin:8px 0 4px}
.task .coment{font-size:13px;color:var(--color-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.st{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.06em;font-weight:500;padding:3px 8px;border-radius:999px;border:1px solid transparent}
.st.ok{background:var(--color-success-bg);color:var(--color-success)}
.st.wait{background:var(--color-warning-bg);color:var(--color-warning);border-color:var(--color-warning-line)}
.spin{width:12px;height:12px;border:2px solid var(--color-line);border-top-color:var(--color-primary);border-radius:50%;animation:s 1s linear infinite;display:inline-block;vertical-align:-2px}@keyframes s{to{transform:rotate(360deg)}}

.modal{position:fixed;inset:0;background:rgba(14,21,38,.45);display:flex;align-items:center;justify-content:center;padding:20px;z-index:20}
.modal-card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:640px;width:100%;padding:28px;position:relative;max-height:90vh;overflow:auto}
.modal-card img{width:100%;margin:12px 0;border:1px solid var(--color-line);border-radius:var(--radius-md)}
.x{position:absolute;top:10px;right:12px;background:none;border:none;color:var(--color-muted);font-size:22px;cursor:pointer;font-family:inherit}
.crit{background:var(--color-bg);border:1px solid var(--color-line);border-radius:var(--radius-md);padding:10px 12px;margin:8px 0;font-size:14px}
.crit b{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--color-primary)}

#adminStats{margin:14px 0}
#adminStats .stat{min-width:0;flex:1}
#adminCreate{margin-bottom:16px}
.list-head.admin-head,.row.admin{grid-template-columns:2fr .7fr .7fr .7fr 2.6fr}
.acts{display:flex;gap:6px;flex-wrap:wrap}
.acts .btn{padding:6px 10px;font-size:12px}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--color-toast);color:var(--color-toast-text);border-radius:var(--radius-sm);padding:10px 18px;z-index:30;font-weight:500;font-size:13px}

@media(max-width:860px){
  .login-wrap{padding:12px}
  .login-card{padding:28px 20px;min-height:auto}
  .grid2{grid-template-columns:1fr}
  .container{padding:16px 12px 48px}
  .topbar{padding:8px 12px;height:auto;min-height:56px;flex-wrap:wrap;row-gap:8px}
  .top-left{gap:10px}
  .brand.small{display:none}
  #userEmail{display:none}
  .page-head{align-items:stretch;flex-direction:column}
  .page-head h1{font-size:22px}
  .page-head .btn,.form-card .btn.primary.big{width:100%;padding:14px;min-height:48px}
  .back{min-height:44px;display:inline-flex;align-items:center}
  .row{min-height:52px}
  .stat-row{display:grid;grid-template-columns:1fr 1fr;width:100%}
  .stat{min-width:0;padding:8px 12px}
  .list-head{display:none}
  .row{grid-template-columns:1fr auto;row-gap:8px;padding:12px}
  .row .r-name{grid-column:1 / -1;font-size:15px}
  .row.admin .acts{grid-column:1 / -1}
  .row:hover{background:var(--color-surface);box-shadow:var(--shadow-sm)}
  .panel{padding:14px}
  input,textarea,select{font-size:16px}
  .tabs{width:100%}
  .tab{flex:1;padding:12px 8px;text-align:center}
  .file-row{flex-direction:column}
  .file-row .btn{width:100%;padding:14px}
  .dz-actions .btn{flex:1 1 100%}
  .tasks{grid-template-columns:1fr}
  .task img{height:200px}
  .modal{padding:0;align-items:flex-end}
  .modal-card{max-height:94vh;width:100%;padding:20px 16px 32px;border-left:none;border-right:none;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
  .toast{width:calc(100% - 24px);text-align:center}
}
@media(max-width:380px){
  .credits{padding:5px 8px}
  .stat b{font-size:16px}
}