:root{--bg: #eef7f5;--panel: #ffffff;--ink: #10201e;--muted: #64748b;--line: #dbe7e4;--teal: #0f766e;--blue: #2563eb;--violet: #7c3aed;--amber: #d97706;--rose: #e11d48;--shadow: 0 18px 45px rgba(15, 118, 110, .12)}*{box-sizing:border-box}body{margin:0;min-width:320px;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}.student-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.student-sidebar{position:sticky;top:0;height:100vh;padding:22px 16px;background:#073a35;color:#eafffb;overflow-y:auto}.brand-block{display:flex;gap:12px;align-items:center;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14)}.brand-block img{width:48px;height:48px;object-fit:contain;border-radius:50%;background:#ffffff1f}.brand-block strong,.brand-block span{display:block}.brand-block span{color:#99f6e4;font-size:13px}.student-nav{display:grid;gap:6px;margin-top:22px}.student-nav a{color:#d9fffa;text-decoration:none;border-radius:12px;padding:11px 12px;font-weight:800;font-size:14px}.student-nav a.active,.student-nav a:hover{background:#ffffff24}.student-main{min-width:0}.portal-page{width:min(1480px,100%);margin:0 auto;padding:28px}.student-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px;align-items:stretch;min-height:250px;padding:34px;border-radius:24px;color:#fff;background:linear-gradient(135deg,#0f766ef5,#2563ebd1),url("data:image/svg+xml,%3Csvg width='800' height='300' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.25)' stroke-width='2'%3E%3Cpath d='M40 230c80-140 180-160 300-60s220 70 360-80'/%3E%3Cpath d='M80 90c70 80 170 90 300 30s240-50 350 50'/%3E%3C/g%3E%3C/svg%3E");background-size:cover;box-shadow:var(--shadow)}.eyebrow{display:block;margin-bottom:10px;font-weight:900;color:#ccfbf1;text-transform:uppercase;font-size:12px}.student-hero h1{margin:0 0 8px;font-size:clamp(34px,5vw,62px);line-height:1}.student-hero p{margin:0;max-width:720px;color:#ecfeff}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero-xp-panel{display:grid;align-content:center;gap:10px;border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:20px;background:#ffffff24}.avatar-ring{width:76px;height:76px;display:grid;place-items:center;border-radius:999px;border:4px solid #fde68a;background:#0f766e;font-size:24px;font-weight:950}.portal-grid{display:grid;gap:18px;margin-top:18px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.portal-card{min-width:0;border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:20px;box-shadow:0 12px 30px #0f172a0f}.wide-card{grid-column:1 / -1}.card-heading{margin-bottom:16px}.card-heading h2{margin:0 0 4px;font-size:19px}.card-heading p{margin:0;color:var(--muted);line-height:1.5}.pill{display:inline-flex;align-items:center;width:fit-content;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:900;white-space:nowrap}.pill-info{color:#1d4ed8;background:#dbeafe}.pill-success{color:#047857;background:#d1fae5}.pill-warning{color:#92400e;background:#fef3c7}.pill-urgent{color:#be123c;background:#ffe4e6}.pill-muted{color:#475569;background:#f1f5f9}.quest-list,.compact-list,.progress-list,.item-stack,.feed-list,.message-list,.timeline-list{display:grid;gap:12px}.quest-row,.time-row,.learning-item,.message-list article{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px;border:1px solid #e6efec;border-radius:14px;background:#fbfefd}.quest-row strong,.quest-row span,.time-row strong,.time-row small{display:block}.quest-row span,.time-row small,.learning-item span,.message-list span,.feed-list span,.score-card small,.badge-card span{color:var(--muted)}.time-row>span{color:var(--teal);font-weight:950}.progress-label{display:flex;justify-content:space-between;margin-bottom:6px}.progress-track{height:9px;overflow:hidden;border-radius:999px;background:#e2e8f0}.progress-fill{display:block;height:100%;border-radius:inherit;background:var(--teal)}.learning-item h3{margin:8px 0 4px;font-size:16px}.item-side,.material-progress{display:grid;gap:8px;justify-items:end;min-width:112px}.material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.material-card{display:grid;gap:13px;padding:15px;border:1px solid #e6efec;border-radius:14px;background:#fbfefd}.material-card-header,.material-viewer-heading,.material-actions,.material-progress-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.material-title-block{display:grid;gap:6px;min-width:0}.material-pills{display:flex;flex-wrap:wrap;gap:6px}.material-card h3,.material-viewer-heading h2{margin:0}.material-card p,.material-viewer-heading p{margin:0;color:var(--muted);line-height:1.55}.material-card-header>strong{color:var(--teal);font-size:24px}.material-details,.material-viewer-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0}.material-details div,.material-viewer-details div{display:grid;gap:3px;min-width:0;padding:9px;border-radius:12px;background:#f1f8f6}.material-details dt,.material-viewer-details dt{color:var(--muted);font-size:11px;font-weight:900;text-transform:uppercase}.material-details dd,.material-viewer-details dd{margin:0;overflow-wrap:anywhere;font-weight:850}.material-progress-row{align-items:center}.material-progress-row .progress-track{flex:1}.material-progress-row span{color:var(--teal);font-weight:900;white-space:nowrap}.material-viewer-modal{width:min(860px,100%);max-height:min(92vh,900px);overflow:auto}.material-close-button{display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border:0;border-radius:50%;background:#e2e8f0;color:#334155;font-size:18px;font-weight:950;cursor:pointer}.protected-material-preview{display:grid;gap:12px;max-height:min(52vh,520px);overflow:auto;padding:14px;border:1px solid #cfe2dd;border-radius:16px;background:#eef7f5;user-select:none;-webkit-user-select:none}.protected-preview-page{min-height:180px;display:grid;align-content:start;gap:18px;padding:22px;border:1px solid #dbe7e4;border-radius:12px;background:repeating-linear-gradient(-24deg,#fff,#fff 22px,#f8fbfa 22px,#f8fbfa 44px);box-shadow:inset 0 0 0 1px #0f766e0a}.protected-preview-page span{color:var(--teal);font-size:12px;font-weight:950;text-transform:uppercase}.protected-preview-page p{margin:0;color:#233835;font-size:17px;line-height:1.7}.score-grid,.badge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.score-card,.badge-card,.feed-list article,.timeline-list article,.innovation-grid article{display:grid;gap:8px;padding:14px;border:1px solid #e6efec;border-radius:14px;background:#fbfefd}.innovation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.innovation-grid span{color:var(--muted)}.class-quest-card,.doubt-sprint-card{display:grid;gap:10px}.class-quest-card h3,.doubt-sprint-card h3{margin:0;font-size:18px}.class-quest-card p,.doubt-sprint-card p{margin:0;color:#334155}.class-quest-card small,.doubt-sprint-card small{color:var(--muted);line-height:1.45}.class-quest-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.class-quest-head span{color:var(--muted);font-weight:800}.doubt-sprint-card{margin-bottom:12px;border:1px solid #dbeafe;border-radius:14px;background:#f8fbff;padding:14px}.sprint-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.sprint-metrics div{display:grid;gap:2px;border:1px solid #e6efec;border-radius:12px;background:#fff;padding:10px}.sprint-metrics strong{color:var(--teal);font-size:24px;line-height:1}.sprint-metrics span,.submission-receipt{color:var(--muted);font-size:13px}.submission-receipt{border:1px solid #a7f3d0;border-radius:12px;background:#ecfdf5;padding:10px;font-weight:800}.skill-map{display:grid;gap:12px}.skill-node{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:14px;align-items:center;border:1px solid #dbeafe;border-radius:16px;background:#f8fbff;padding:14px}.skill-node.complete{border-color:#99f6e4;background:#f0fdfa}.skill-node.locked{border-color:#e2e8f0;background:#f8fafc}.skill-node-index{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#2563eb;color:#fff;font-weight:950}.skill-node.complete .skill-node-index{background:var(--teal)}.skill-node.locked .skill-node-index{background:#94a3b8}.skill-node-heading{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}.skill-node-heading span,.skill-node p,.skill-node small{color:var(--muted)}.skill-node h3{margin:0 0 3px;font-size:17px}.skill-node p{margin:8px 0}.skill-node small{display:block;margin-bottom:10px}.timeline-list strong{color:var(--ink)}.timeline-list span,.timeline-list small{color:var(--muted)}.score-card strong{font-size:26px}.badge-card.earned{border-color:#99f6e4;background:#f0fdfa}.notice-box{margin-bottom:12px;border:1px solid #fde68a;border-radius:14px;background:#fffbeb;color:#92400e;padding:12px;font-weight:800}.module-toolbar{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}.module-toolbar label,.doubt-box label,.submission-modal label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase}.module-toolbar select{min-width:170px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);padding:10px 12px;font-weight:800}.empty-state-row{border:1px dashed var(--line);border-radius:14px;color:var(--muted);padding:18px;text-align:center}.message-list article{align-items:flex-start}.message-list p{margin:8px 0 0;color:#334155}.doubt-box{display:grid;gap:10px;margin-top:14px;border:1px solid #e6efec;border-radius:14px;background:#fbfefd;padding:14px}.doubt-box textarea,.submission-modal textarea{width:100%;min-height:92px;resize:vertical;border:1px solid var(--line);border-radius:12px;color:var(--ink);padding:12px}.profile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.profile-grid div{display:grid;gap:6px;padding:15px;border:1px solid #e6efec;border-radius:14px;background:#fbfefd}.profile-grid span{color:var(--muted);font-size:13px;font-weight:800}@media (max-width: 1100px){.student-shell{grid-template-columns:1fr}.student-sidebar{position:static;height:auto}.student-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.student-hero,.grid-3,.grid-2{grid-template-columns:1fr}}@media (max-width: 640px){.portal-page{padding:16px}.student-hero{padding:22px;border-radius:18px}.score-grid,.badge-grid,.profile-grid,.sprint-metrics,.material-grid{grid-template-columns:1fr}.quest-row,.time-row,.learning-item,.skill-node{align-items:flex-start;flex-direction:column}.skill-node{grid-template-columns:1fr}.item-side,.material-progress{justify-items:start;width:100%}.material-card-header,.material-viewer-heading,.material-actions,.material-progress-row{align-items:flex-start;flex-direction:column}.material-details,.material-viewer-details{grid-template-columns:1fr}}.reward-toast{margin-top:18px;border:1px solid #a7f3d0;border-radius:16px;background:#ecfdf5;color:#065f46;padding:13px 16px;font-weight:900;box-shadow:0 10px 24px #0f766e14}.toast-warning{border-color:#fde68a;background:#fffbeb;color:#92400e}.data-warning{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:14px;border:1px solid #fde68a;border-radius:16px;background:#fffbeb;color:#92400e;padding:14px 16px}.data-warning div{display:grid;gap:4px}.data-warning strong{color:#78350f}.data-warning span,.data-warning small{color:#92400e}.state-panel{display:grid;gap:12px;align-content:center;justify-items:start;min-height:280px;border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:24px;color:var(--muted);box-shadow:0 12px 30px #0f172a0f}.state-panel strong{color:var(--ink);font-size:22px}.state-error{border-color:#fecdd3;background:#fff1f2}.auth-page{display:grid;align-items:center;min-height:100vh}.auth-layout{display:grid;grid-template-columns:minmax(320px,460px) minmax(0,1fr);gap:22px;align-items:stretch}.auth-form{display:grid;gap:14px}.auth-form label{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase}.auth-form input{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);padding:12px;font-weight:800}.auth-form input:focus{outline:3px solid rgba(15,118,110,.16);border-color:var(--teal)}.auth-error{border:1px solid #fecdd3;border-radius:12px;background:#fff1f2;color:#be123c;padding:10px 12px;font-size:13px;font-weight:900}.auth-submit{width:100%;justify-content:center;padding:12px 14px;font-size:14px}.auth-aside{display:grid;gap:16px;align-content:center;min-height:360px;border-radius:24px;color:#fff;background:linear-gradient(135deg,#073a35f5,#2563ebc7),url("data:image/svg+xml,%3Csvg width='760' height='420' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.24)' stroke-width='2'%3E%3Cpath d='M40 330c90-150 210-170 360-70s250 70 330-95'/%3E%3Cpath d='M80 120c80 78 190 100 330 30s230-45 310 72'/%3E%3Ccircle cx='600' cy='92' r='46'/%3E%3C/g%3E%3C/svg%3E");background-size:cover;padding:28px;box-shadow:var(--shadow)}.auth-aside h2{margin:0;max-width:640px;font-size:clamp(28px,4vw,48px);line-height:1.04}.auth-aside p{margin:0;max-width:560px;color:#ecfeff;line-height:1.6}.auth-proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:8px}.auth-proof-grid div{display:grid;gap:5px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:#ffffff1f;padding:12px}.auth-proof-grid strong{font-size:22px}.auth-proof-grid span{color:#ccfbf1;font-size:13px;font-weight:900}.action-button{border:0;border-radius:999px;background:#0f766e;color:#fff;cursor:pointer;padding:8px 12px;font-size:12px;font-weight:950;white-space:nowrap;box-shadow:0 8px 18px #0f766e2e}.action-button:hover:not(:disabled){background:#0d9488;transform:translateY(-1px)}.action-button:disabled{cursor:not-allowed;background:#cbd5e1;color:#475569;box-shadow:none}.reward-store-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.reward-store-grid article{display:grid;gap:10px;align-content:start;min-height:172px;border:1px solid #e6efec;border-radius:14px;background:#fbfefd;padding:15px}.reward-store-grid span{color:var(--muted);font-weight:800}.focus-score{display:grid;gap:12px;align-content:center;min-height:190px}.focus-score strong{color:var(--teal);font-size:52px;line-height:1}.focus-score span{color:var(--muted)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:18px;background:#0f172a7a}.submission-modal{width:min(520px,100%);display:grid;gap:12px;border-radius:18px;background:#fff;padding:22px;box-shadow:0 30px 80px #0f172a47}.submission-modal h2{margin:0}.submission-modal p{margin:0;color:var(--muted)}.modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.secondary-action{background:#e2e8f0;color:#334155;box-shadow:none}.hero-signout{width:fit-content;background:#fffffff0;color:#0f766e;box-shadow:none}@media (max-width: 1100px){.auth-layout{grid-template-columns:1fr}.reward-store-grid,.innovation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.auth-page{min-height:auto}.auth-aside{min-height:280px;border-radius:18px}.auth-proof-grid,.reward-store-grid,.innovation-grid{grid-template-columns:1fr}.action-button{width:100%;justify-content:center}.data-warning{align-items:stretch;flex-direction:column}}
