:root{--bg: #f4f7fa;--panel: #ffffff;--ink: #0e2438;--muted: #5d7080;--accent: #1f6feb;--accent-soft: #e7f0ff;--ok: #1d8a4b;--ok-soft: #e2f5ea;--warn: #b54708;--border: #d9e1ea;--danger: #b42318;--radius: 10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header.app-header{background:var(--panel);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;position:sticky;top:0;z-index:50;box-shadow:0 1px 4px #0f24380d}.app-title{font-size:20px;font-weight:700}.app-subtitle{color:var(--muted);font-size:13px}nav.tabs{display:flex;gap:6px;margin-left:auto}nav.tabs button{background:transparent;border:1px solid transparent;color:var(--ink);padding:8px 14px;border-radius:var(--radius);cursor:pointer;font-size:14px}nav.tabs button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.user-block{display:flex;align-items:center;gap:8px}.user-block .user-name{font-weight:600}.lang-toggle{display:flex;gap:4px;background:var(--bg);border-radius:var(--radius);padding:3px;border:1px solid var(--border)}.lang-toggle button{background:transparent;border:none;padding:5px 12px;font-size:13px;border-radius:7px;cursor:pointer;text-transform:uppercase;color:var(--muted)}.lang-toggle button.active{background:var(--panel);color:var(--ink);font-weight:600}main{padding:24px;max-width:1100px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:18px}.panel h2{margin:0 0 12px;font-size:18px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}button.primary{background:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:var(--radius);cursor:pointer;font-size:14px}button.primary:hover{filter:brightness(1.05)}button.ghost{background:transparent;border:1px solid var(--border);padding:7px 12px;border-radius:var(--radius);cursor:pointer;font-size:13px;color:var(--ink)}button.ghost:hover{background:var(--bg)}button.danger{background:transparent;color:var(--danger);border:1px solid var(--danger);padding:6px 11px;border-radius:var(--radius);cursor:pointer;font-size:13px}button.danger:hover{background:#fdecea}input,select,textarea{font:inherit;padding:8px 10px;border-radius:var(--radius);border:1px solid var(--border);background:#fff;min-width:0}label.field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);min-width:160px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:14px}th{font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.card-list{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:transform .05s,box-shadow .1s}.card:hover{box-shadow:0 2px 10px #0f243814;transform:translateY(-1px)}.card h3{margin:0 0 4px;font-size:16px}.card .meta{color:var(--muted);font-size:13px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;background:var(--accent-soft);color:var(--accent);text-transform:uppercase;letter-spacing:.04em}.badge.beginner{background:#fff4d6;color:#946200}.badge.done{background:var(--ok-soft);color:var(--ok)}.progress-bar{background:var(--bg);border-radius:999px;height:8px;overflow:hidden;margin-top:6px}.progress-bar>div{background:var(--ok);height:100%;transition:width .2s}.exercise-row{display:flex;gap:14px;align-items:flex-start;padding:14px;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;background:var(--panel)}.exercise-row.done{background:var(--ok-soft);border-color:#b5e3c6}.exercise-row .check{width:28px;height:28px;border-radius:50%;border:2px solid var(--border);flex-shrink:0;display:grid;place-items:center;cursor:pointer;background:#fff;font-size:15px;color:transparent}.exercise-row.done .check{border-color:var(--ok);background:var(--ok);color:#fff}.exercise-row .body{flex:1}.exercise-row .body h4{margin:0;font-size:15px}.exercise-row .body p{margin:4px 0 0;color:var(--muted);font-size:13px}.exercise-row .body .meta{margin-top:6px;font-size:12px;color:var(--muted)}.drill{margin-top:10px;padding:10px 12px;background:#fff7e1;border:1px solid #f1d99a;border-left:3px solid #c98c00;border-radius:8px;font-size:13px;color:#5c3d00;line-height:1.5}.drill-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:#946200;margin-bottom:4px;display:flex;align-items:center;gap:4px}.status-chip{padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--bg);color:var(--muted);border:1px solid var(--border);white-space:nowrap}.status-chip.done{background:var(--ok-soft);color:var(--ok);border-color:#b5e3c6}.status-chip.partial{background:#fff4d6;color:#946200;border-color:#f1d99a}.status-chip.muted-chip{font-style:italic}.skill-sticker-cell{flex:0 0 auto;display:flex;align-items:flex-start}.skill-sticker-cell 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.skill-sticker{width:56px!important;height:56px!important}.exercise-row .body h4{font-size:14px}.exercise-row .body p{font-size:13px}button.ghost,button.danger,button.primary{min-height:36px}input,select,textarea{width:100%}label.field{min-width:0}.row.spread{gap:8px}.card-list{grid-template-columns:1fr}.badges-toolbar{flex-direction:column;align-items:stretch;gap:8px}.badges-toolbar .badges-title{text-align:center;font-size:16px}.badges-toolbar-actions{flex-direction:column;align-items:stretch;gap:8px}.badges-toolbar-actions .field.inline{justify-content:space-between}.back-button{width:100%}.badges-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.badges-grid .skill-sticker{width:100%!important;height:auto!important;max-width:200px}.panel .row{gap:8px}}@media (max-width: 380px){.app-title{font-size:17px}.skill-sticker-cell .skill-sticker{width:48px!important;height:48px!important}.badges-grid{grid-template-columns:1fr}}.error{color:var(--danger);margin:12px 0}.muted{color:var(--muted)}.small{font-size:12px}.category-chips{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:14px;padding:10px 12px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.category-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:#fff;cursor:pointer;font-size:13px;-webkit-user-select:none;user-select:none;transition:background .1s,border-color .1s;min-height:32px}.category-chip:hover{border-color:var(--accent)}.category-chip input[type=checkbox]{width:14px;height:14px;margin:0;cursor:pointer}.category-chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.category-chip-count{font-size:11px;background:var(--bg);color:var(--muted);padding:1px 6px;border-radius:999px;font-weight:500}.category-chip.active 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var(--border);border-radius:999px;background:#fff;cursor:pointer;font-size:14px;-webkit-user-select:none;user-select:none;min-height:38px}.diploma-chip:hover{border-color:var(--accent)}.diploma-chip input[type=checkbox]{width:16px;height:16px;margin:0}.diploma-chip.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.diploma-chip.suggested:not(.selected){border-color:#f5b400;background:#fffaea}.diploma-chip-tag{color:#c98c00;font-size:14px;margin-left:2px}.diploma-chip.readonly{cursor:default;background:var(--accent-soft);border-color:var(--accent);color:var(--accent);gap:8px}.diploma-chip.readonly:hover{border-color:var(--accent)}.skill-picker{display:flex;flex-direction:column;gap:14px;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}.skill-picker-group-title{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;margin-bottom:6px;display:inline-flex;align-items:center;gap:6px}.skill-picker-group-count{background:#fff;color:var(--muted);padding:1px 6px;border-radius:999px;font-size:10px;font-weight:600;letter-spacing:0;text-transform:none}.skill-picker-chips{display:flex;flex-wrap:wrap;gap:6px}.skill-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:13px;-webkit-user-select:none;user-select:none;max-width:100%;min-height:34px}.skill-chip:hover{border-color:var(--accent)}.skill-chip input[type=checkbox]{width:14px;height:14px;margin:0;flex-shrink:0}.skill-chip.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.skill-chip-code{font-weight:700;font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--bg);color:var(--muted);padding:1px 5px;border-radius:4px;flex-shrink:0}.skill-chip.selected .skill-chip-code{background:#fff;color:var(--accent)}.skill-chip-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}@media (max-width: 720px){.skill-chip-title{max-width:180px}}.bulk-import-page{max-width:980px;margin:0 auto;padding-bottom:80px}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;background:var(--panel);cursor:pointer;transition:border-color .15s,background .15s}.drop-zone:hover,.drop-zone.over{border-color:var(--accent);background:var(--accent-soft)}.drop-zone-icon{font-size:36px;margin-bottom:6px}.drop-zone-text strong{display:block;font-size:16px;margin-bottom:4px}.bulk-preview-table{width:100%;border-collapse:collapse;font-size:14px}.bulk-preview-table th,.bulk-preview-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.bulk-preview-table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--bg);position:sticky;top:0}.bulk-preview-table tr.skipped{background:#fafbfc;opacity:.7}.bulk-import-actions{position:sticky;bottom:0;background:var(--bg);padding:12px 0 6px;display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--border);margin-top:12px}.bulk-import-actions button{min-height:44px;padding:10px 22px;font-size:15px}@media (max-width: 720px){.drop-zone{padding:32px 16px}.bulk-import-actions button{flex:1 1 auto}}.exercise-row.expanded{background:var(--accent-soft);border-color:var(--accent)}.sailor-picker{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border)}.sailor-picker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;margin-bottom:10px}.sailor-chip{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:14px;-webkit-user-select:none;user-select:none;min-height:44px;transition:background .1s,border-color .1s}.sailor-chip:hover{border-color:var(--accent)}.sailor-chip input[type=checkbox]{width:18px;height:18px;margin:0;flex-shrink:0;cursor:pointer}.sailor-chip span:not(.sailor-chip-done){flex:1}.sailor-chip.selected{background:var(--accent-soft);border-color:var(--accent);font-weight:600}.sailor-chip.done{background:var(--ok-soft);border-color:#b5e3c6}.sailor-chip.done.selected{background:linear-gradient(0deg,var(--ok-soft),var(--accent-soft))}.sailor-chip-done{color:var(--ok);font-weight:700;font-size:16px}.sailor-chip-unmark{background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:18px;padding:0 4px;line-height:1}.sailor-chip-unmark:hover{color:var(--danger)}.sailor-picker-actions{border-top:1px solid var(--border);padding-top:10px;margin-top:6px}@media (max-width: 720px){.sailor-picker-grid{grid-template-columns:1fr 1fr;gap:6px}}.exercise-edit-page{max-width:820px;margin:0 auto;padding-bottom:90px}.exercise-edit-page .exercise-edit-header{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.exercise-edit-page .exercise-edit-header h2{margin:0;font-size:22px;flex:1 1 auto}.exercise-edit-page form{display:flex;flex-direction:column;gap:14px}.exercise-edit-page label.field{font-size:14px;gap:6px}.exercise-edit-page input,.exercise-edit-page select,.exercise-edit-page textarea{font-size:16px;padding:12px 14px;border-radius:var(--radius);width:100%}.exercise-edit-page textarea{line-height:1.45}.exercise-edit-page .row{gap:14px}.exercise-edit-page .row .field{flex:1 1 220px}.exercise-edit-actions{position:sticky;bottom:0;background:var(--bg);padding:12px 0 6px;display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--border);margin-top:12px}.exercise-edit-actions button{min-height:44px;padding:10px 22px;font-size:15px}@media (max-width: 720px){.exercise-edit-page{padding-bottom:96px}.exercise-edit-page .exercise-edit-header h2{font-size:18px;width:100%}.exercise-edit-page .row{flex-direction:column;align-items:stretch;gap:10px}.exercise-edit-page .row .field,.exercise-edit-actions button{flex:1 1 auto}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f243859;display:grid;place-items:center;z-index:100}.modal{background:var(--panel);border-radius:var(--radius);padding:20px;width:min(420px,90vw);box-shadow:0 8px 24px #0f24382e}.modal h3{margin:0 0 12px}.modal .actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.entity-link{background:transparent;border:0;padding:0;color:var(--accent);cursor:pointer;font:inherit;text-align:left;display:inline-flex;align-items:baseline;gap:2px}.entity-link:hover{text-decoration:underline}.entity-link-arrow{font-size:.75em;opacity:.6;transition:opacity .12s}.entity-link:hover .entity-link-arrow{opacity:1}.focused{outline:2px solid #f5b400;outline-offset:4px;border-radius:var(--radius);animation:focus-pulse 1.6s ease-out 1}@keyframes focus-pulse{0%{background-color:#f5b4002e}to{background-color:transparent}}