:root{--color-forest-950: #0b2b26;--color-forest-800: #143f36;--color-forest-500: #3f806b;--color-mist: #f4f8f5;--color-sun: #f3c969;--color-ink: #10201c;--font-sans: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.25rem;--text-xl: 1.75rem;--text-display: clamp(2.5rem, 12vw, 4.5rem);--touch-target: 44px;--page-gutter: clamp(1.25rem, 6vw, 2rem);--safe-top: max(1rem, env(safe-area-inset-top));--safe-bottom: max(1rem, env(safe-area-inset-bottom))}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;color:var(--color-ink);font-family:var(--font-sans);font-size:var(--text-base);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button{min-width:var(--touch-target);min-height:var(--touch-target)}.landing-shell{position:relative;display:grid;min-height:100svh;overflow:hidden;color:#fff;background:url(/Hiking-Mainpic.jpg) center / cover no-repeat}.landing-shell:before{position:absolute;inset:0;content:"";background:linear-gradient(180deg,#0b2b266b,#0b2b26d1)}.landing-content{position:relative;z-index:1;display:flex;flex-direction:column;justify-content:space-between;min-height:100svh;padding:var(--safe-top) var(--page-gutter) var(--safe-bottom)}.language-controls{display:flex;justify-content:flex-end;gap:.5rem}.language-controls button{padding:.5rem .875rem;color:inherit;border:1px solid rgb(255 255 255 / 70%);border-radius:999px;background:#0b2b2659}.landing-copy{margin:auto 0;padding-block:3rem}.landing-copy h1{margin:0;font-size:var(--text-display);line-height:1.1;letter-spacing:-.04em}.landing-copy p{max-width:34rem;margin:1rem 0 0;font-size:var(--text-lg);line-height:1.5}.landing-copy .subtitle{font-size:var(--text-sm);opacity:.88}.landing-actions{display:grid;gap:.75rem;max-width:34rem;margin-top:2rem}.landing-primary-action,.landing-admin-link{display:grid;place-items:center;min-height:var(--touch-target);border-radius:999px;font-weight:700;text-decoration:none}.landing-primary-action{color:var(--color-forest-800);background:#fff;box-shadow:0 12px 28px #0000002e}.landing-admin-link{color:#fff;border:1px solid rgb(255 255 255 / 70%);background:#0b2b2659}.route-pending{min-height:100svh;padding:var(--safe-top) var(--page-gutter) var(--safe-bottom);background:var(--color-mist)}.participant-shell{min-height:100svh;padding:var(--safe-top) var(--page-gutter) var(--safe-bottom);background:linear-gradient(180deg,#eef7f2,var(--color-mist))}.join-page,.team-reveal-page{display:grid;place-items:center}.participant-card,.team-card,.roster-card,.rename-dialog{width:min(100%,34rem);padding:1.5rem;border-radius:1.25rem;background:#fff;box-shadow:0 18px 50px #0b2b261a}.team-card{border-top:.4rem solid var(--color-forest-500)}.participant-card h1,.team-card h1{margin:.25rem 0 1rem;font-size:var(--text-xl)}.eyebrow{margin:0;color:var(--color-forest-500);font-size:var(--text-sm);font-weight:700;text-transform:uppercase}.participant-card form,.rename-dialog form{display:grid;gap:.75rem;margin-top:1.5rem}.participant-card input[type=text],.participant-card input:not([type]),.rename-dialog input{width:100%;min-height:var(--touch-target);padding:.75rem;border:1px solid #9cafaa;border-radius:.75rem}.privacy-check{display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:start;margin-block:.5rem}.privacy-check input{width:1.25rem;height:1.25rem}.primary-action{padding:.75rem 1rem;color:#fff;border:0;border-radius:999px;background:var(--color-forest-800);font-weight:700}.primary-action:disabled{opacity:.52}.form-error,.action-error{color:#8f251f}.action-error{padding:.75rem;border-radius:.75rem;background:#fff1ef}.device-reminder{color:#53645f;font-size:var(--text-sm)}.team-page{display:grid;align-content:start;gap:1rem}.team-page>section{margin-inline:auto}.locked-state{padding:.75rem;border-radius:.75rem;background:#f0f2f1;color:#53645f}.roster-card h2{margin-top:0;font-size:var(--text-lg)}.roster-card ul{display:grid;gap:.5rem;margin:0;padding:0;list-style:none}.roster-card li{display:flex;justify-content:space-between;gap:1rem;padding:.75rem;border-radius:.75rem;background:var(--color-mist)}.status-page{display:grid;place-content:center;gap:1rem;text-align:center}.admin-shell{min-height:100svh;overflow-x:clip;padding:var(--safe-top) var(--page-gutter) var(--safe-bottom);background:#f2f5f4}.admin-login{display:grid;place-items:center}.admin-panel,.admin-header,.admin-storage,.admin-team-card{width:min(100%,52rem);min-width:0;margin-inline:auto;padding:1rem;overflow-wrap:anywhere;border-radius:1rem;background:#fff;box-shadow:0 10px 30px #0b2b2612}.admin-login form,.admin-login label{display:grid;gap:.5rem}.admin-login form{gap:1rem}.admin-login input{min-height:var(--touch-target);padding:.75rem;border:1px solid #9cafaa;border-radius:.75rem}.admin-login .field-hint{margin:-.5rem 0 0;color:#53645f;font-size:var(--text-sm);line-height:1.45}.admin-login [role=alert]{margin:0;color:#8f251f;line-height:1.45}.admin-header{display:flex;justify-content:space-between;gap:1rem;align-items:start;margin-bottom:1rem}.admin-header h1{margin:.25rem 0;font-size:var(--text-xl)}.admin-storage{display:flex;justify-content:space-between;margin-bottom:1rem}.admin-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.admin-controls button{border:1px solid #9cafaa;border-radius:.75rem;background:#fff}.admin-team-list{display:grid;gap:1rem;margin-block:1rem}.admin-team-card{border-top:.4rem solid var(--color-forest-500)}.admin-team-card header{display:grid;grid-template-columns:auto 1fr auto;gap:.75rem;align-items:center}.admin-team-card h2{margin:0}.admin-task-row{display:grid;grid-template-columns:1fr auto;gap:.35rem;margin-top:.75rem}.admin-task-row progress{grid-column:1 / -1;width:100%;accent-color:var(--color-forest-500)}.task5-admin{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;margin-top:1rem;padding:.75rem;border-radius:.75rem;background:var(--color-mist)}.task5-admin p{flex-basis:100%;margin:0;color:#8f251f;font-weight:700}.reset-danger-zone{display:grid;gap:.75rem;margin-top:1rem;border:1px solid #bd8b86;color:#6d3c37}.reset-danger-zone select,.reset-danger-zone input{width:100%;min-width:0;max-width:100%;min-height:var(--touch-target);padding:.7rem;border:1px solid #bd8b86;border-radius:.75rem;background:#fff}.reset-preview{display:grid;gap:.65rem;padding:.85rem;border-radius:.75rem;background:#fff7f5}.reset-preview p{margin:0}.reset-ack{display:grid;grid-template-columns:auto 1fr;gap:.65rem;align-items:start}.reset-ack input{min-height:auto;width:1.25rem;height:1.25rem}.danger-action{color:#fff;border-color:#8f251f;background:#8f251f}.export-panel{display:grid;gap:.75rem;margin-top:1rem}.export-links{display:grid;gap:.5rem}.export-links a{min-height:var(--touch-target);padding:.7rem;border-radius:.7rem;background:var(--color-mist);overflow-wrap:anywhere}.admin-move-reason{display:grid;gap:.4rem;margin-bottom:.75rem}.admin-move-reason input,.admin-participant select{width:100%;min-width:0;min-height:var(--touch-target);padding:.6rem;border:1px solid #9cafaa;border-radius:.65rem}.admin-participant{display:grid;grid-template-columns:1fr minmax(10rem,auto) auto;gap:.5rem;align-items:center;padding-block:.5rem;border-top:1px solid #e1e8e5}@media(max-width:35rem){.admin-header,.admin-storage{display:grid}.admin-header button{width:100%}.admin-controls{grid-template-columns:1fr}.admin-participant{grid-template-columns:minmax(0,1fr)}}.dialog-backdrop{position:fixed;inset:0;display:grid;place-items:end center;padding:var(--page-gutter);background:#0b2b268c}.rename-dialog{max-height:calc(100svh - 2rem)}.dialog-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:.75rem}.photo-picker{display:grid;gap:.875rem;width:min(100%,34rem)}.photo-picker h3{margin:0;font-size:var(--text-lg)}.photo-field{display:grid;gap:.5rem}.photo-field input[type=file]{width:100%;min-height:var(--touch-target);padding:.65rem;border:1px solid #9cafaa;border-radius:.75rem;background:#fff;font-size:1rem}.photo-preview{display:grid;gap:.5rem;margin:0}.photo-preview img{display:block;width:100%;max-height:24rem;border-radius:1rem;object-fit:contain;background:#dfe9e4}.photo-preview figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;color:#53645f;font-size:var(--text-sm)}.photo-task-page{display:grid;align-content:start;gap:1rem}.photo-task-page-header,.photo-task-card{width:min(100%,34rem);margin-inline:auto;padding:1.25rem;border-radius:1.25rem;background:#fff;box-shadow:0 18px 50px #0b2b261a}.photo-task-page-header h1{margin:.25rem 0 .75rem;font-size:var(--text-xl)}.photo-task-page-header>p:last-child{margin-bottom:0;color:#53645f}.photo-task-list,.photo-task-card{display:grid;gap:1rem}.photo-task-card-header{display:flex;justify-content:space-between;gap:.75rem;align-items:start}.photo-task-card h2{margin:0;font-size:var(--text-lg)}.photo-task-card-header p{margin:.5rem 0 0;color:#53645f}.task-status{flex:0 0 auto;margin:0!important;padding:.35rem .6rem;border-radius:999px;font-size:var(--text-sm);font-weight:700}.task-status-ready{background:#edf4f0;color:#315e51!important}.task-status-uploading{background:#fff5d9;color:#765300!important}.task-status-completed{background:#dff3e7;color:#1b6540!important}.task-status-error{background:#fff1ef;color:#8f251f!important}.task-status-locked{background:#eceff0;color:#46524f!important}.task-note-field{display:grid;gap:.5rem}.task-note-field textarea{width:100%;min-height:5.5rem;padding:.75rem;border:1px solid #9cafaa;border-radius:.75rem;resize:vertical}.task-note-field p{margin:0;color:#53645f;font-size:var(--text-sm)}.offline-confirmation{margin-top:1rem;padding:.875rem;border-radius:.875rem;background:#fff5d9;color:#5b470d}.offline-confirmation p{margin:.5rem 0 0}.quiz-page{display:grid;place-items:start center}.quiz-card{width:min(100%,34rem);padding:1.25rem;border-radius:1.25rem;background:#fff;box-shadow:0 18px 50px #0b2b261a}.quiz-card h1{margin:.5rem 0;font-size:var(--text-xl)}.quiz-progress{margin:.75rem 0 .5rem;color:#53645f;font-size:var(--text-sm)}.quiz-card progress{width:100%;height:.65rem;accent-color:var(--color-forest-500)}.quiz-question-copy{margin-block:1.5rem}.quiz-question-copy p{margin:.5rem 0 0;color:#53645f;font-size:var(--text-lg)}.quiz-options{display:grid;gap:.75rem;margin:0;padding:0;border:0}.quiz-options legend{margin-bottom:.75rem;color:#53645f;font-size:var(--text-sm)}.quiz-option{display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:center;min-height:var(--touch-target);padding:.75rem;border:1px solid #b8c7c2;border-radius:.875rem}.quiz-option:has(input:checked){border-color:var(--color-forest-500);background:#edf7f1}.quiz-option input{width:1.25rem;height:1.25rem;accent-color:var(--color-forest-800)}.quiz-actions{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:1.5rem}.quiz-actions button{width:100%;padding:.75rem;border-radius:999px}.quiz-actions button:not(.primary-action){border:1px solid #9cafaa;background:#fff;color:var(--color-ink)}.quiz-review-list{display:grid;gap:.75rem;margin:1rem 0;padding:0;list-style:none}.quiz-review-list li{display:grid;grid-template-columns:1fr auto;gap:.75rem;align-items:start;padding:.875rem;border-radius:.875rem;background:var(--color-mist)}.quiz-review-list li div{display:grid;gap:.3rem}.quiz-review-list li span{color:#53645f;font-size:var(--text-sm)}.quiz-review-list .review-answer{color:#1b6540}.quiz-review-list .review-unanswered{color:#8f251f;font-weight:700}.irreversible-check{padding:.875rem;border-radius:.875rem;background:#fff5d9}.quiz-result-card{text-align:center}.quiz-success-mark{width:3rem;height:3rem;margin:0 auto;border-radius:50%;background:#dff3e7;color:#1b6540;font-size:2rem;font-weight:700;line-height:3rem}.quiz-score{margin:1rem 0;color:var(--color-forest-800);font-size:var(--text-display);font-weight:800}.task5-page{display:grid;gap:1rem}.task5-card{display:grid;gap:1rem;padding:1rem;border:1px solid rgba(18,67,55,.14);border-radius:1rem;background:#fff;box-shadow:0 .5rem 1.5rem #12433714}.task5-required-note{margin:0;color:#53645f;font-size:var(--text-sm)}.task5-weight-field{display:grid;gap:.5rem}.task5-weight-field>label{font-weight:700}.weight-input-group{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;overflow:hidden;border:1px solid #9cafaa;border-radius:.75rem;background:#fff}.weight-input-group:focus-within{border-color:var(--color-forest-800);box-shadow:0 0 0 3px #006b5424}.weight-input-group input{min-width:0;min-height:3rem;padding:.75rem;border:0;outline:0;font:inherit;font-size:1rem}.weight-input-group span{align-self:stretch;display:grid;place-items:center;min-width:3.25rem;padding:.75rem;background:var(--color-mist);color:var(--color-forest-800);font-weight:800}.task5-warning{padding:.875rem;border-radius:.875rem;background:#fff5d9}.task5-warning p{margin:.35rem 0 0}.task5-progress{margin:0;color:var(--color-forest-800);font-weight:700}.task5-submit{min-height:3rem}.task5-success{text-align:center}.task5-success-mark{width:3rem;height:3rem;margin:0 auto;border-radius:50%;background:#dff3e7;color:#1b6540;font-size:2rem;font-weight:800;line-height:3rem}.event-dashboard{display:grid;align-content:start;gap:1rem}.dashboard-hero,.dashboard-tasks,.waiting-results{width:min(100%,42rem);margin-inline:auto}.dashboard-hero{display:grid;gap:1rem;padding:1.25rem;border-top:.4rem solid var(--color-forest-500);border-radius:1.25rem;background:#fff;box-shadow:0 18px 50px #0b2b261a}.dashboard-hero h1{margin:.35rem 0 .5rem;font-size:var(--text-xl)}.dashboard-hero p{margin-block:.35rem}.event-status{justify-self:start;padding:.4rem .7rem;border-radius:999px;background:#edf4f0;color:var(--color-forest-800);font-size:var(--text-sm);font-weight:800}.dashboard-team{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;padding:.875rem;border-radius:.875rem;background:var(--color-mist)}.dashboard-team span{color:#53645f;font-size:var(--text-sm)}.dashboard-section-heading h2{margin:0;font-size:var(--text-xl)}.dashboard-section-heading p{margin:.4rem 0 0;color:#53645f}.dashboard-task-list{display:grid;gap:.875rem;margin-top:1rem}.dashboard-task-card{overflow:hidden;border:1px solid rgb(11 43 38 / 10%);border-radius:1rem;background:#fff;box-shadow:0 10px 30px #0b2b2612}.dashboard-task-card>a,.dashboard-task-card:not(.dashboard-task-card-open){display:grid;gap:.875rem;padding:1rem}.dashboard-task-card>a{color:inherit;text-decoration:none}.dashboard-task-card-open:focus-within{outline:3px solid rgb(63 128 107 / 35%);outline-offset:2px}.dashboard-task-heading{display:flex;justify-content:space-between;gap:.75rem;align-items:start}.dashboard-task-heading h3{margin:.3rem 0 0;font-size:var(--text-lg)}.dashboard-progress{display:grid;gap:.35rem}.dashboard-progress-label{display:flex;justify-content:space-between;gap:.75rem;color:#53645f;font-size:var(--text-sm)}.dashboard-progress-label strong{color:var(--color-forest-800)}.dashboard-progress progress{width:100%;height:.65rem;accent-color:var(--color-forest-500)}.waiting-results{padding:1.25rem;border-radius:1.25rem;background:#fff8e7;text-align:center}.waiting-results h2{margin:.5rem 0;font-size:var(--text-lg)}.waiting-results p{margin:.4rem 0}.waiting-results-mark{width:2.5rem;height:2.5rem;margin-inline:auto!important;border-radius:50%;background:var(--color-sun);color:var(--color-forest-950);font-size:1.5rem;font-weight:800;line-height:1.8rem}.waiting-results-compact{margin-top:.25rem}.dashboard-results-link{display:grid;place-items:center;width:min(100%,42rem);margin-inline:auto;text-decoration:none}.task-route-state{display:grid;gap:.875rem;width:min(100%,34rem);padding:1.5rem;border-radius:1.25rem;background:#fff;box-shadow:0 18px 50px #0b2b261a}.task-route-state h1,.task-route-state p{margin:0}.task-route-state-mark{width:3rem;height:3rem;margin-inline:auto!important;border-radius:50%;background:#eceff0;color:#46524f;font-size:1.5rem;font-weight:800;line-height:2.7rem}.task-route-back{display:grid;place-items:center;margin-top:.5rem;text-decoration:none}@media(min-width:42rem){.dialog-backdrop{place-items:center}}.final-results-page{display:grid;align-content:start;gap:1rem}.final-results-hero,.final-ranking,.memory-wall{width:min(100%,48rem);margin-inline:auto}.final-results-hero{padding:1.25rem;border-radius:1.25rem;background:var(--color-forest-950);color:#fff;box-shadow:0 18px 50px #0b2b2629}.final-results-hero h1{margin:.4rem 0;font-size:var(--text-xl)}.final-results-hero .eyebrow{color:#b8e0d2}.final-ranking{display:grid;gap:.875rem}.final-team-card{overflow:hidden;padding:1rem;border-top:.4rem solid var(--color-forest-500);border-radius:1rem;background:#fff;box-shadow:0 10px 30px #0b2b2614}.final-team-card>header{display:grid;grid-template-columns:auto 1fr auto;gap:.75rem;align-items:center}.final-team-card h2{margin:0;font-size:var(--text-lg)}.final-team-card header>strong{color:var(--color-forest-800);font-size:var(--text-xl)}.final-rank{display:grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:50%;background:var(--color-sun);color:var(--color-forest-950);font-weight:800}.final-team-card dl{display:grid;gap:.45rem;margin:1rem 0 0}.final-team-card dl div{display:flex;justify-content:space-between;gap:1rem;padding-top:.45rem;border-top:1px solid #e1e8e5}.final-team-card dt{color:#53645f}.final-team-card dd{margin:0;font-weight:700}.memory-wall{padding:1rem;border-radius:1.25rem;background:#fff;box-shadow:0 10px 30px #0b2b2614}.memory-wall h2{margin:.35rem 0 1rem;font-size:var(--text-xl)}.memory-filters{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.memory-filters label{display:grid;gap:.4rem;color:#53645f;font-size:var(--text-sm);font-weight:700}.memory-filters select{width:100%;min-height:var(--touch-target);padding:.65rem;border:1px solid #9cafaa;border-radius:.75rem;background:#fff;color:var(--color-ink);font-size:1rem}.memory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin-top:1rem}.memory-photo{overflow:hidden;border-radius:.875rem;background:var(--color-mist)}.memory-photo>button{display:block;width:100%;padding:0;border:0;background:#dfe9e4;cursor:zoom-in}.memory-photo img{display:block;width:100%;aspect-ratio:1 / 1;height:auto;object-fit:cover}.memory-photo>div{display:grid;gap:.25rem;padding:.65rem}.memory-photo span{overflow:hidden;color:#53645f;font-size:var(--text-xs);text-overflow:ellipsis;white-space:nowrap}.memory-actions{display:grid;margin-top:1rem}.memory-empty{padding:1.5rem;text-align:center;color:#53645f}.photo-lightbox{position:fixed;z-index:50;inset:0;display:grid;align-content:center;padding:var(--safe-top) var(--page-gutter) var(--safe-bottom);background:#05120ff0;color:#fff}.photo-lightbox figure{display:grid;gap:.75rem;width:min(100%,50rem);max-height:calc(100svh - 7rem);margin:0 auto}.photo-lightbox img{display:block;max-width:100%;max-height:calc(100svh - 12rem);margin-inline:auto;border-radius:.75rem;object-fit:contain}.photo-lightbox figcaption{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:baseline}.photo-lightbox figcaption p{flex-basis:100%;margin:0}.lightbox-close{position:absolute;top:var(--safe-top);right:var(--page-gutter);padding:.65rem 1rem;border:1px solid rgb(255 255 255 / 60%);border-radius:999px;background:#0b2b26b3;color:#fff}@media(max-width:35rem){.memory-filters{grid-template-columns:1fr}.final-team-card>header{grid-template-columns:auto 1fr}.final-team-card header>strong{grid-column:2}}