*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Georgia,serif;background:#f5efe0;color:#1a1a1a;overflow:hidden;height:100vh}
.screen{display:none;height:100vh;overflow:hidden}
.screen.active{display:block}
#canvas{width:100vw;height:100vh;display:block;cursor:grab;touch-action:none}
#canvas:active{cursor:grabbing}
.title-bar{position:fixed;top:14px;left:50%;transform:translateX(-50%);text-align:center;z-index:5;pointer-events:none}
.title-bar h1{font-size:18px;color:#1a3a3a;letter-spacing:5px}
.title-bar p{font-size:9px;color:#7a7a68;letter-spacing:3px;font-style:italic;margin-top:3px}
.controls{position:fixed;top:12px;left:12px;background:#fff;border-radius:10px;padding:10px 12px;box-shadow:0 4px 20px rgba(26,74,106,.12);z-index:10;width:220px;max-height:calc(100vh - 24px);overflow-y:auto;font-size:11px}
.mobile-menu-toggle,.mobile-menu-backdrop,.mobile-course-toggle,.mobile-course-map{display:none}
.controls button{background:#f0e8d0;border:1px solid #d8c8a0;padding:6px 9px;border-radius:6px;font-family:inherit;font-size:10.5px;color:#1a3a3a;cursor:pointer;text-align:left;width:100%;margin-bottom:4px;line-height:1.35}
.controls button:hover{background:#c9a84a;color:#fff}
.controls .course-btn{background:#1a4a6a;color:#fff;border-color:#1a4a6a;font-weight:bold;padding:8px 10px}
.controls .course-btn:hover{background:#c9a84a;border-color:#c9a84a}
.controls .course-btn.active{background:#c9a84a;border-color:#c9a84a;color:#fff}
.controls .course-btn.philosophy{background:#5a1a6a;border-color:#5a1a6a}
.controls .course-btn.philosophy:hover{background:#c9a84a;border-color:#c9a84a}
.controls .course-btn.philosophy.active{background:#c9a84a;border-color:#c9a84a;color:#fff}
.total-progress{background:#1a4a6a;color:#fff;padding:8px 11px;border-radius:8px;margin-bottom:8px}
.total-progress.philosophy{background:#5a1a6a}
.total-progress .label{font-size:8px;letter-spacing:1.5px;color:#c9a84a;margin-bottom:3px}
.total-progress .value{font-size:16px;font-weight:bold;margin-bottom:4px}
.total-progress .sub{font-size:9.5px;color:#c9d8e8;margin-bottom:5px;line-height:1.4}
.total-progress .bar{height:4px;background:rgba(255,255,255,.2);border-radius:2px;overflow:hidden;margin-top:5px}
.total-progress .bar>div{height:100%;background:#c9a84a;transition:width .4s}
.date-block{background:#f5efe0;border-radius:8px;padding:7px 9px;margin-bottom:8px}
.date-block .dl{font-size:8px;letter-spacing:1.5px;color:#8a5a1a;margin-bottom:4px}
.date-block .dv{font-size:10.5px;color:#1a4a6a;font-weight:bold;margin-bottom:5px;padding-bottom:5px;border-bottom:1px dashed #d8c8a0}
.date-block input{width:100%;padding:4px 6px;border:1px solid #d8c8a0;border-radius:5px;font-family:inherit;font-size:10px;background:#fff}
.controls .divider{height:1px;background:#e0d8c0;margin:8px 0}
.controls .lecture-import-status{font-size:10px;line-height:1.35;color:#8a5a1a;white-space:pre-wrap;overflow-wrap:anywhere}
.legend{position:fixed;bottom:12px;left:12px;background:#fff;border-radius:10px;padding:8px 12px;box-shadow:0 4px 20px rgba(26,74,106,.12);z-index:10;font-size:10px}
.legend-item{display:flex;align-items:center;gap:6px;margin:3px 0;color:#3a3a3a}
.legend-dot{width:10px;height:10px;border-radius:50%}
.legend-check{display:inline-flex;align-items:center;justify-content:center;width:12px;height:12px;background:#c9a84a;border-radius:50%;color:#fff;font-size:8px;font-weight:bold}
.hint{position:fixed;bottom:12px;right:12px;background:#fff;border-radius:8px;padding:7px 11px;box-shadow:0 4px 20px rgba(26,74,106,.12);font-size:10px;color:#7a7a68;z-index:10}
.hint strong{color:#1a4a6a}
#screen-subject{background:#f5efe0;overflow-y:auto}
.subject-page{max-width:900px;margin:0 auto;padding:30px 30px 80px}
.back-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #d8c8a0;padding:10px 18px;border-radius:24px;font-family:inherit;font-size:12.5px;color:#1a4a6a;cursor:pointer;margin-bottom:24px}
.back-btn:hover{background:#1a4a6a;color:#fff;border-color:#1a4a6a}
.subject-header{background:#fff;border-radius:16px;padding:32px 36px;margin-bottom:24px;border-top:6px solid #1a4a6a;box-shadow:0 4px 20px rgba(26,74,106,.08)}
.subject-header.done{border-top-color:#c9a84a}
.subject-num{display:inline-block;width:56px;height:56px;border-radius:50%;background:#1a4a6a;color:#fff;font-size:24px;font-weight:bold;line-height:56px;text-align:center;margin-bottom:16px}
.subject-header.done .subject-num{background:#c9a84a}
.subject-tag{display:inline-block;background:#f0e8d0;color:#8a5a1a;font-size:10px;letter-spacing:2px;padding:4px 12px;border-radius:12px;text-transform:uppercase;margin-left:12px;vertical-align:middle;margin-bottom:16px}
.subject-tag.done{background:#c9a84a;color:#fff}
.subject-header h1{font-size:28px;color:#1a3a3a;margin-bottom:8px}
.subject-week{font-size:12.5px;color:#8a8a78;margin-bottom:16px}
.subject-week strong{color:#1a4a6a}
.subject-def{background:#f5efe0;border-left:4px solid #1a4a6a;padding:14px 18px;border-radius:6px;font-size:13.5px;font-style:italic;color:#3a3a3a;line-height:1.55}
.progress-block{background:#fff;border-radius:14px;padding:20px 28px;margin-bottom:24px;box-shadow:0 2px 12px rgba(26,74,106,.06)}
.progress-label{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px;font-size:13px;color:#3a3a3a}
.progress-label .num{font-size:22px;font-weight:bold;color:#1a4a6a}
.progress-bar-lg{height:10px;background:#f0e8d0;border-radius:5px;overflow:hidden}
.progress-bar-lg>div{height:100%;background:linear-gradient(90deg,#c9a84a,#e0c878);transition:width .4s}
.section-label{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:#8a5a1a;margin:28px 0 14px;padding-bottom:8px;border-bottom:1px solid #e0d8c0;display:flex;justify-content:space-between;align-items:center}
.materials-list{display:flex;flex-direction:column;gap:14px}
.material-card{background:#fff;border-radius:12px;padding:18px 22px;border:2px solid transparent;transition:all .2s;box-shadow:0 2px 8px rgba(26,74,106,.04)}
.material-card:hover{border-color:#e0d8c0}
.material-card.done{background:#fdf8ed;border-color:#c9a84a}
.material-top{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px}
.material-check{flex-shrink:0;width:28px;height:28px;padding:0;border:2px solid #c9a84a;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;cursor:pointer;margin-top:2px}
.material-card.done .material-check{background:#c9a84a}
.material-card.done .material-check::after{content:'✓';color:#fff;font-weight:bold;font-size:16px}
.material-info{flex:1;min-width:0}
.material-name{font-size:15.5px;font-weight:bold;color:#1a4a6a;margin-bottom:6px;line-height:1.4}
.material-source{font-size:12.5px;color:#8a5a1a;font-style:italic;margin-bottom:6px}
.material-type{font-size:11.5px;color:#8a8a78;margin-bottom:6px}
.material-preview{font-size:12.5px;color:#5a5a4a;font-style:italic;line-height:1.5}
.material-buttons{display:flex;gap:10px;padding-left:42px;flex-wrap:wrap}
.btn-source{display:inline-flex;align-items:center;gap:6px;background:#1a4a6a;color:#fff;padding:9px 16px;border-radius:22px;font-size:12px;font-weight:bold;transition:all .2s;font-family:inherit;border:2px solid #1a4a6a;cursor:pointer}
.btn-source:hover{background:#c9a84a;border-color:#c9a84a}
.btn-source::after{content:' →';font-weight:bold}
.btn-conspect{display:inline-flex;align-items:center;gap:6px;background:transparent;color:#8a5a1a;padding:9px 16px;border-radius:22px;font-family:inherit;font-size:12px;font-weight:bold;transition:all .2s;border:2px solid #c9a84a;cursor:pointer}
.btn-conspect:hover{background:#f0e8d0}
.empty-state{background:#fff;border-radius:14px;padding:40px;text-align:center;color:#8a8a78;font-style:italic;box-shadow:0 2px 12px rgba(26,74,106,.06)}
.empty-state h3{font-style:normal;color:#1a4a6a;font-size:17px;margin-bottom:10px}
.artifact-card{background:#fff;border-radius:14px;padding:26px 30px;margin-top:32px;border-top:6px solid #c9a84a;box-shadow:0 4px 20px rgba(26,74,106,.08)}
.artifact-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:6px}
.artifact-icon{flex-shrink:0;width:48px;height:48px;border:2px solid #c9a84a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#c9a84a;font-weight:bold}
.artifact-content{flex:1;min-width:0}
.artifact-content .label{color:#8a5a1a;font-size:10px;letter-spacing:2.5px;font-weight:bold;margin-bottom:6px}
.artifact-title{font-size:19px;color:#1a3a3a;font-weight:bold;margin-bottom:4px;line-height:1.35}
.artifact-duration{font-size:12.5px;color:#8a8a78;font-style:italic}
.artifact-body{margin-top:20px;padding-top:20px;border-top:1px solid #e0d8c0}
.artifact-goal{font-size:14.5px;line-height:1.75;color:#2a2a2a;margin-bottom:18px}
.artifact-goal strong{color:#1a4a6a;font-weight:bold}
.artifact-steps{font-size:14.5px;color:#2a2a2a;margin-bottom:18px}
.artifact-steps strong{color:#1a4a6a;font-weight:bold;display:block;margin-bottom:10px}
.artifact-steps ol{padding-left:24px}
.artifact-steps li{line-height:1.75;margin:10px 0}
.artifact-criterion{font-size:14.5px;color:#2a3a2a;line-height:1.75;background:#f0f6ee;border-left:4px solid #1a5c3a;padding:16px 20px;border-radius:6px}
.artifact-criterion strong{color:#1a5c3a;font-weight:bold}
.media-block{margin-top:0}
.media-card{background:#fff;border-radius:14px;padding:22px 26px;margin-bottom:14px;border-left:6px solid #8a5a1a;box-shadow:0 2px 12px rgba(26,74,106,.06)}
.media-kind{display:inline-block;background:#8a5a1a;color:#fff;font-size:10px;letter-spacing:2px;padding:3px 10px;border-radius:10px;text-transform:uppercase;margin-bottom:10px}
.media-kind.music{background:#1a4a6a}
.media-name{font-size:16.5px;color:#1a3a3a;font-weight:bold;margin-bottom:4px;line-height:1.35}
.media-author{font-size:12.5px;color:#8a5a1a;font-style:italic;margin-bottom:10px}
.media-note{font-size:14px;line-height:1.7;color:#3a3a3a}
.complete-btn{display:block;width:100%;margin-top:32px;padding:18px 24px;border-radius:14px;border:2px solid #c9a84a;background:transparent;color:#8a5a1a;font-family:inherit;font-size:15px;font-weight:bold;letter-spacing:2px;cursor:pointer;transition:all .25s;text-transform:uppercase}
.complete-btn:hover:not(:disabled){background:#c9a84a;color:#fff}
.complete-btn:disabled{opacity:.45;cursor:not-allowed}
.complete-btn.ready{background:#c9a84a;color:#fff}
.complete-btn.done{background:#1a5c3a;border-color:#1a5c3a;color:#fff}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(100px);background:#1a5c3a;color:#fff;padding:16px 32px;border-radius:30px;font-size:13px;box-shadow:0 8px 30px rgba(26,92,58,.4);transition:transform .4s;z-index:1000;max-width:90vw;text-align:center}
.toast.show{transform:translateX(-50%) translateY(0)}
.modal-bg{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(26,42,58,.75);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:18px;max-width:860px;width:100%;max-height:calc(100vh - 40px);overflow-y:auto;position:relative}
.modal-close{position:sticky;top:12px;float:right;margin:12px 16px 0 0;background:#f5efe0;border:none;width:36px;height:36px;border-radius:50%;font-size:18px;color:#8a5a1a;cursor:pointer;z-index:2}
.modal-close:hover{background:#c9a84a;color:#fff}
.modal-header{padding:36px 48px 24px;border-bottom:1px solid #e0d8c0}
.modal-tag{display:inline-block;background:#1a4a6a;color:#fff;font-size:10px;letter-spacing:2px;padding:4px 12px;border-radius:12px;text-transform:uppercase;margin-bottom:14px}
.modal-header h2{font-size:26px;color:#1a3a3a;line-height:1.3;margin-bottom:10px;font-weight:bold}
.modal-header .meta{font-size:13.5px;color:#8a5a1a;font-style:italic}
.modal-body{padding:32px 48px 40px}
.modal-body h3{font-size:17px;color:#1a4a6a;margin:36px 0 16px;padding-bottom:8px;border-bottom:2px solid #f0e8d0;font-weight:bold}
.modal-body h3:first-child{margin-top:0}
.modal-body p{font-size:16px;line-height:1.85;color:#2a2a2a;margin-bottom:18px;text-align:justify}
.modal-body ul{padding-left:26px;margin-bottom:18px}
.modal-body li{font-size:15.5px;line-height:1.75;color:#2a2a2a;margin:12px 0;text-align:justify}
.modal-body li strong{color:#1a4a6a}
.modal-body .key-idea{background:#f0f6ee;border-left:4px solid #1a5c3a;padding:18px 24px;border-radius:6px;margin:24px 0;font-size:15.5px;color:#2a3a2a;line-height:1.7;font-style:italic}
.modal-body .key-idea::before{content:'💡 Ключевая мысль: ';font-weight:bold;font-style:normal;color:#1a5c3a}
.modal-body .example{background:#fdf8ed;border:1px solid #e0d8c0;border-radius:8px;padding:18px 24px;margin:20px 0;font-size:15.5px;line-height:1.8;color:#3a3a3a}
.modal-body .example::before{content:'📌 ПРИМЕР';display:block;font-size:10px;letter-spacing:2px;color:#8a5a1a;font-weight:bold;margin-bottom:10px;font-style:normal}
.modal-body .epistemic{background:#fafaf5;border:1px solid #e0d8c0;border-radius:8px;padding:16px 20px;margin:20px 0;font-size:14px;line-height:1.7;color:#3a3a3a}
.modal-body .epistemic::before{content:'⚖ ЧТО ЗДЕСЬ ДАННЫЕ, МОДЕЛЬ, ПОЗИЦИЯ И ЧТО НЕИЗВЕСТНО';display:block;font-size:10px;letter-spacing:2px;color:#8a5a1a;font-weight:bold;margin-bottom:10px;font-style:normal}
.modal-body .epistemic .row{margin-bottom:8px}
.modal-body .epistemic .row b{color:#1a4a6a;font-size:12.5px;letter-spacing:1px;text-transform:uppercase}
.modal-body .epistemic .row:last-child{margin-bottom:0}
.modal-body .for-advanced{background:#f0f6ee;border-left:4px solid #1a5c3a;padding:16px 20px;margin:24px 0 0;font-size:14.5px;line-height:1.75;color:#2a3a2a;font-style:italic;border-radius:6px}
.modal-body .for-advanced::before{content:'↻ ДЛЯ ТЕХ, КТО ПРОШЁЛ ЛИНЕЙКУ';display:block;font-size:10px;letter-spacing:2px;color:#1a5c3a;font-weight:bold;margin-bottom:10px;font-style:normal}
.modal-footer{padding:20px 48px 28px;background:#fafaf5;border-top:1px solid #e0d8c0;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.modal-footer .actions{display:flex;gap:10px;margin-left:auto}
.btn-done{padding:12px 22px;border-radius:22px;border:2px solid #c9a84a;background:transparent;color:#8a5a1a;font-family:inherit;font-size:12.5px;font-weight:bold;cursor:pointer;text-transform:uppercase}
.btn-done:hover{background:#c9a84a;color:#fff}
.btn-done.done{background:#1a5c3a;border-color:#1a5c3a;color:#fff}
.sources-modal{background:#fff;border-radius:18px;max-width:780px;width:100%;max-height:calc(100vh - 40px);overflow-y:auto;position:relative}
.sources-progress{padding:0 48px 20px;border-bottom:1px solid #e0d8c0}
.sources-progress .lbl{display:flex;justify-content:space-between;align-items:baseline;font-size:12.5px;color:#8a8a78;margin-bottom:8px}
.sources-progress .lbl .num{font-size:17px;font-weight:bold;color:#1a4a6a}
.sources-progress .bar{height:6px;background:#f0e8d0;border-radius:3px;overflow:hidden}
.sources-progress .bar>div{height:100%;background:linear-gradient(90deg,#c9a84a,#e0c878)}
.sources-list{padding:24px 48px 8px}
.source-item{display:flex;align-items:flex-start;gap:14px;padding:14px 16px;border-radius:10px;background:#fff;border:1.5px solid #f0e8d0;margin-bottom:10px}
.source-item.done{background:#fdf8ed;border-color:#c9a84a}
.source-check{flex-shrink:0;width:24px;height:24px;padding:0;border:2px solid #c9a84a;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;cursor:pointer;margin-top:2px}
.source-item.done .source-check{background:#c9a84a}
.source-item.done .source-check::after{content:'✓';color:#fff;font-weight:bold;font-size:14px}
.source-info{flex:1;min-width:0}
.source-name{font-size:14.5px;font-weight:bold;color:#1a4a6a;line-height:1.4;margin-bottom:4px}
.source-author{font-size:12.5px;color:#8a5a1a;font-style:italic;margin-bottom:3px}
.source-type{font-size:11px;color:#8a8a78}
.source-download{flex-shrink:0;background:#1a5c3a;color:#fff;border:2px solid #1a5c3a;padding:8px 16px;border-radius:16px;font-family:inherit;font-size:11px;font-weight:bold;cursor:pointer;align-self:center;display:flex;align-items:center;gap:6px}
.source-download:hover{background:#c9a84a;border-color:#c9a84a}
.source-download::before{content:'↗';font-size:13px}
:focus-visible{outline:3px solid #1a4a6a;outline-offset:3px}
#canvas g[role="button"]:focus-visible{outline:3px solid #c9a84a;outline-offset:5px}
.source-watch{flex-shrink:0;background:#8a5a1a;color:#fff;border:2px solid #8a5a1a;padding:8px 16px;border-radius:16px;font-family:inherit;font-size:11px;font-weight:bold;cursor:pointer;align-self:center;display:flex;align-items:center;gap:6px}
.source-watch:hover{background:#c9a84a;border-color:#c9a84a}
.source-watch::before{content:'▶';font-size:11px}
.sources-footer{padding:20px 48px 28px;background:#fafaf5;border-top:1px solid #e0d8c0;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#5a5a4a;font-style:italic}
.sources-footer .back-link{font-style:normal;background:transparent;border:2px solid #1a4a6a;color:#1a4a6a;padding:8px 16px;border-radius:16px;font-family:inherit;font-size:12px;font-weight:bold;cursor:pointer}
.sources-footer .back-link:hover{background:#1a4a6a;color:#fff}
.glossary-modal{background:#fff;border-radius:18px;max-width:820px;width:100%;max-height:calc(100vh - 40px);overflow-y:auto;position:relative}
.glossary-list{padding:24px 48px 40px}
.glossary-item{padding:14px 0;border-bottom:1px solid #f0e8d0}
.glossary-item:last-child{border-bottom:none}
.glossary-term{font-size:16px;font-weight:bold;color:#1a4a6a;margin-bottom:6px}
.glossary-def{font-size:14.5px;line-height:1.7;color:#2a2a2a;margin-bottom:6px}
.glossary-ref{font:italic 11.5px Georgia,serif;color:#8a5a1a;cursor:pointer;border:0;background:none;padding:0;text-align:left}
.glossary-ref:hover{text-decoration:underline}
.glossary-search{padding:0 48px 20px;border-bottom:1px solid #e0d8c0}
.glossary-search input{width:100%;padding:10px 14px;border:1.5px solid #d8c8a0;border-radius:10px;font-family:inherit;font-size:14px;background:#fafaf5}
.glossary-search input:focus{outline:none;border-color:#c9a84a}
.tracks-modal{background:#fff;border-radius:18px;max-width:900px;width:100%;max-height:calc(100vh - 40px);overflow-y:auto;position:relative}
.lectures-modal{background:#fff;border-radius:18px;max-width:720px;width:100%;max-height:calc(100vh - 40px);overflow-y:auto;position:relative}
#lectures-bg{z-index:2100}
.lectures-modal h2{padding:26px 48px 0;color:#1a3a3a;font-size:22px}
.lectures-list{padding:24px 48px 12px}
.lectures-row{display:flex;align-items:center;gap:16px;border:1px solid #e0d8c0;border-radius:10px;padding:14px 16px;margin-bottom:10px}
.lectures-row-info{flex:1;min-width:0}
.lectures-row-title{font-weight:bold;color:#1a4a6a;overflow-wrap:anywhere}
.lectures-row-detail{font-size:12px;line-height:1.5;color:#5a5a4a;margin-top:4px}
.lectures-row button,.lectures-actions button{font:inherit;border-radius:16px;padding:8px 14px;cursor:pointer}
.lectures-row button{background:#fff;color:#8a3a3a;border:1px solid #8a3a3a}
.lectures-actions{display:flex;flex-wrap:wrap;gap:10px;padding:16px 48px 28px}
.lectures-actions button{background:#1a4a6a;border:1px solid #1a4a6a;color:#fff}
.lectures-actions button.secondary{background:#fff;color:#1a4a6a}
.lectures-actions button.danger{background:#fff;color:#8a3a3a;border-color:#8a3a3a}
.lectures-note{padding:18px 48px 0;color:#5a5a4a;font-size:14px;line-height:1.55}
.lectures-errors{padding:0 48px 14px;color:#8a3a3a;font-size:13px;white-space:pre-wrap}
.tracks-list{padding:24px 48px 40px}
.track-card{background:#fafaf5;border-radius:14px;padding:22px 26px;margin-bottom:16px;border-left:6px solid #8a5a1a}
.track-card.done-week{border-left-color:#1a5c3a;background:#f0f6ee}
.track-header{display:flex;align-items:flex-start;gap:14px;margin-bottom:12px}
.track-icon{flex-shrink:0;width:44px;height:44px;border:2px solid #8a5a1a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;background:#fff}
.track-card.done-week .track-icon{border-color:#1a5c3a}
.track-title-wrap{flex:1;min-width:0}
.track-title{font-size:18px;color:#1a3a3a;font-weight:bold;line-height:1.35;margin-bottom:4px}
.track-freq{font-size:12.5px;color:#8a8a78;font-style:italic}
.track-check-btn{flex-shrink:0;background:transparent;border:2px solid #c9a84a;color:#8a5a1a;padding:8px 14px;border-radius:16px;font-family:inherit;font-size:11px;font-weight:bold;cursor:pointer;text-transform:uppercase;letter-spacing:1px}
.track-check-btn:hover{background:#c9a84a;color:#fff}
.track-card.done-week .track-check-btn{background:#1a5c3a;border-color:#1a5c3a;color:#fff}
.track-what{font-size:14.5px;line-height:1.7;color:#2a2a2a;margin-bottom:12px}
.track-why{font-size:14px;line-height:1.7;color:#2a3a2a;background:#f0f6ee;border-left:3px solid #1a5c3a;padding:12px 16px;border-radius:6px;margin-bottom:12px}
.track-why strong{color:#1a5c3a}
.track-protocol{font-size:14px;color:#2a2a2a;margin-bottom:12px}
.track-protocol strong{color:#1a4a6a;display:block;margin-bottom:6px}
.track-protocol ol{padding-left:22px}
.track-protocol li{line-height:1.7;margin:6px 0}
.track-criterion{font-size:13.5px;color:#3a3a3a;line-height:1.7;font-style:italic;padding-top:12px;border-top:1px solid #e0d8c0}
.track-criterion strong{color:#8a5a1a;font-style:normal}
.track-linked{margin-top:10px;font-size:12px;color:#8a5a1a}
.track-linked button{font:inherit;color:inherit;cursor:pointer;text-decoration:underline;margin-right:8px;border:0;background:none;padding:0}
.track-linked button:hover{color:#1a4a6a}
.track-last{font-size:11.5px;color:#8a8a78;margin-top:6px;font-style:italic}
.loading-screen{position:fixed;top:0;left:0;right:0;bottom:0;background:#f5efe0;z-index:2000;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;padding:40px;text-align:center;transition:background .2s}
.loading-screen h2{font-size:22px;color:#1a3a3a;letter-spacing:3px;margin-bottom:8px}
.loading-screen p{font-size:14px;color:#5a5a4a;max-width:600px;line-height:1.7}
.loading-screen .upload-btn{margin-top:20px;background:#c9a84a;color:#fff;border:none;padding:14px 32px;border-radius:30px;font-family:inherit;font-size:14px;font-weight:bold;letter-spacing:1px;cursor:pointer;text-transform:uppercase}
.loading-screen .upload-btn:hover{background:#b89538}
.loading-screen .status{margin-top:16px;font-size:13px;color:#8a8a78;font-style:italic;white-space:pre-wrap;max-width:700px;word-break:break-word}
.loading-screen .drop-zone{margin-top:10px;padding:24px 32px;border:2px dashed #d8c8a0;border-radius:16px;color:#8a8a78;font-style:italic;font-size:13px;max-width:600px}
@media(max-width:768px){
.mobile-menu-toggle{display:block;position:fixed;top:12px;left:12px;z-index:12;width:44px;height:44px;border:1px solid #d8c8a0;border-radius:10px;background:#fff;color:#1a4a6a;box-shadow:0 4px 20px rgba(26,74,106,.12);font-size:22px;cursor:pointer}
.mobile-menu-backdrop{position:fixed;inset:0;z-index:9;background:rgba(15,34,40,.35)}
#screen-map.menu-open .mobile-menu-backdrop{display:block}
.controls{top:64px;width:min(320px,calc(100vw - 24px));max-height:calc(100vh - 76px);padding:10px 12px;visibility:hidden;transform:translateX(calc(-100% - 24px));transition:transform .2s}
#screen-map.menu-open .controls{visibility:visible;transform:translateX(0)}
.controls button{font-size:12px;padding:9px 10px;min-height:36px}
.legend,.hint{display:none}
.subject-page{padding:20px 16px 60px}
.modal-header,.sources-progress,.sources-list,.glossary-list,.glossary-search{padding-left:22px;padding-right:22px}
.modal-body{padding:22px 22px 28px}
.modal-body p,.modal-body li{font-size:14.5px}
.modal-footer,.sources-footer{padding:16px 22px 20px}
.source-item{flex-wrap:wrap}
.source-download,.source-watch{margin-top:8px;align-self:flex-start}
.artifact-card{padding:20px 18px}
.artifact-title{font-size:17px}
.artifact-goal,.artifact-steps,.artifact-criterion{font-size:14px}
.media-card{padding:18px 18px}
.media-name{font-size:15px}
.tracks-list{padding:22px 22px 30px}
.lectures-list{padding:20px 22px 8px}
.lectures-modal h2{padding:22px 22px 0}
.lectures-actions{padding:16px 22px 24px}
.lectures-note{padding:16px 22px 0}
.lectures-errors{padding:0 22px 12px}
.lectures-row{flex-wrap:wrap}
.track-card{padding:18px 18px}
.track-header{flex-wrap:wrap}
.track-check-btn{width:100%;margin-top:8px}
}
@media(max-width:768px) and (orientation:portrait){
.course-active .title-bar{top:20px}
.course-active .title-bar h1{font-size:14px;letter-spacing:2px}
.course-active .title-bar p{display:none}
.mobile-course-toggle{display:none;position:fixed;top:12px;right:12px;z-index:12;min-width:78px;height:44px;padding:0 10px;border:1px solid #d8c8a0;border-radius:10px;background:#fff;color:#1a4a6a;box-shadow:0 4px 20px rgba(26,74,106,.12);font:700 13px Georgia,serif;cursor:pointer}
#screen-map.course-active .mobile-course-toggle{display:block}
#screen-map.course-active:not(.show-course-diagram) #canvas{display:none}
#screen-map.course-active:not(.show-course-diagram) .mobile-course-map{display:block}
.mobile-course-map{position:absolute;inset:0;overflow-y:auto;overscroll-behavior:contain;padding:82px 16px 40px;background:#f5efe0}
.mobile-course-map h2{font-size:23px;line-height:1.2;color:#1a3a3a;padding-right:8px}
.mobile-route-intro{font-size:13px;color:#5a5a4a;margin:8px 0 23px;line-height:1.4}
.mobile-route-list{list-style:none;padding:0 0 0 16px;border-left:3px solid #d8c8a0}
.mobile-route-list li{position:relative;margin:0 0 14px}
.mobile-route-list li:before{content:'';position:absolute;left:-23px;top:25px;width:11px;height:11px;border-radius:50%;background:#c9a84a;border:3px solid #f5efe0}
.mobile-route-card{display:flex;align-items:center;gap:12px;width:100%;min-height:76px;padding:12px;border:1px solid #d8c8a0;border-radius:12px;background:#fff;box-shadow:0 2px 9px rgba(26,74,106,.06);font-family:Georgia,serif;text-align:left;color:#1a3a3a;cursor:pointer}
.mobile-route-card:focus-visible,.mobile-course-toggle:focus-visible{outline:3px solid #c9a84a;outline-offset:2px}
.mobile-route-card.done{border-color:#c9a84a;background:#fdf8ed}
.mobile-route-card.current{border-color:#1a5c3a}
.mobile-route-number{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#1a4a6a;color:#fff;font-size:16px;font-weight:bold}
.mobile-route-card.done .mobile-route-number{background:#b18a30}
.mobile-route-card.current .mobile-route-number{background:#1a5c3a}
.mobile-route-copy{display:flex;flex:1;min-width:0;flex-direction:column;gap:4px}
.mobile-route-tag{font-size:10px;letter-spacing:.7px;color:#8a5a1a;text-transform:uppercase}
.mobile-route-copy strong{font-size:15px;line-height:1.25;overflow-wrap:anywhere}
.mobile-route-progress{font-size:11px;color:#666655}
.mobile-route-end{display:flex;flex:none;align-items:center;gap:5px;color:#1a4a6a;font-size:21px}
.mobile-route-state{font-size:10px;color:#1a5c3a}
}
@media(prefers-reduced-motion:reduce){.controls{transition:none}}
.auth-screen[hidden]{display:none}
.auth-screen{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:#f5efe0}
.auth-locked #screen-map,.auth-locked #screen-subject,.auth-locked .loading-screen{visibility:hidden!important}
.auth-card{display:flex;flex-direction:column;gap:12px;width:min(100%,390px);padding:32px;border:1px solid #d8c8a0;border-radius:18px;background:#fff;box-shadow:0 10px 40px rgba(26,74,106,.12)}
.auth-card h1{margin:0;color:#1a4a6a;font-size:28px}
.auth-card p{margin:0 0 8px;color:#5a5a4a;line-height:1.5}
.auth-card label{color:#1a3a3a;font-size:13px;font-weight:bold}
.auth-card input{box-sizing:border-box;width:100%;padding:12px;border:1px solid #b8ae9a;border-radius:8px;font:inherit;font-size:16px}
.auth-card button,.history-modal button{padding:12px;border:0;border-radius:8px;background:#1a4a6a;color:#fff;font:inherit;font-weight:bold;cursor:pointer}
.auth-card button:disabled{opacity:.6;cursor:wait}
.auth-card .auth-error{min-height:1.5em;margin:0;color:#8a3a3a;font-size:13px}
.account-email{padding:8px 10px;color:#1a3a3a;font-size:12px;overflow-wrap:anywhere}
.account-status{padding:0 10px 8px;color:#5a5a4a;font-size:11px}
.history-modal{box-sizing:border-box;width:min(560px,calc(100vw - 32px));max-height:min(75vh,700px);overflow:auto;padding:26px;background:#fff;border-radius:16px;color:#1a3a3a}
.history-modal h2{margin:0 0 16px;color:#1a4a6a}
.history-list{padding:0;list-style:none;max-height:370px;overflow:auto}
.history-list li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:10px 0;border-bottom:1px solid #e5ddcf;font-size:13px}
.history-list time{font-weight:bold}
.history-bar{flex-basis:100%;height:5px;overflow:hidden;border-radius:5px;background:#e5ddcf}
.history-bar div{height:100%;background:#c9a84a}