.course-flow{background:#eef3f4}.flow-progress{width:min(320px,30vw);display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:center;font-size:11px}.flow-progress i{height:6px;background:#e1e8ea;border-radius:6px;overflow:hidden}.flow-progress b{display:block;height:100%;width:20%;background:var(--blue);transition:.3s}.course-intro{padding:70px clamp(24px,7vw,110px) 35px;background:#f5f2e9}.course-intro h1{font:800 clamp(42px,6vw,76px)/1 'Manrope';letter-spacing:-.06em;margin:0;max-width:1000px}.course-intro>p:last-child{color:var(--muted);font-size:17px}.flow-nav{position:sticky;top:84px;z-index:14;display:grid;grid-template-columns:repeat(5,1fr);padding:12px clamp(24px,7vw,110px);background:#fff;border-bottom:1px solid var(--line)}.flow-nav button{border:0;border-right:1px solid var(--line);background:#fff;padding:12px;font-weight:700;color:var(--muted);cursor:pointer}.flow-nav button.active{color:var(--blue)}.flow-nav button:disabled{opacity:.4;cursor:not-allowed}.flow-step{display:none;padding:55px clamp(24px,7vw,110px) 100px}.flow-step.active{display:block}.flow-card{max-width:1250px;margin:auto;background:#fff;border-radius:26px;padding:clamp(26px,5vw,60px);box-shadow:var(--shadow)}.flow-card h2{font:800 clamp(34px,5vw,58px)/1.05 'Manrope';letter-spacing:-.05em}.flow-card>p:not(.eyebrow){color:var(--muted);line-height:1.6}.flow-video{aspect-ratio:16/9;background:#07162c;border-radius:18px;overflow:hidden}.flow-video video{width:100%;height:100%}.flow-actions{display:flex;justify-content:space-between;margin-top:35px}.split-learning{display:grid;grid-template-columns:1fr 1fr;gap:25px}.tutor-chat,.branch-chat{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#f7f9f9;display:flex;flex-direction:column;min-height:540px}.tutor-chat header,.branch-chat header{padding:18px;background:var(--navy);color:#fff;display:grid;grid-template-columns:12px 1fr;gap:4px 9px}.tutor-chat header small,.branch-chat header small{grid-column:2;color:#aebbd0}.online-dot{width:9px;height:9px;border-radius:50%;background:#64dfb1;margin-top:4px}.chat-thread{padding:18px;display:flex;flex-direction:column;gap:12px;overflow:auto;flex:1;max-height:430px}.bubble{padding:12px 15px;border-radius:14px;line-height:1.45;font-size:13px;max-width:90%;white-space:pre-wrap}.bubble.tutor{background:#fff;align-self:flex-start}.bubble.student{background:#daf4fa;align-self:flex-end}.chat-compose{padding:15px;border-top:1px solid var(--line)}.chat-compose textarea,.branch-chat textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;font:13px 'DM Sans';resize:vertical}.chat-compose button{margin-top:8px}.branch-chat #branch-options{display:grid;gap:7px;padding:0 15px}.branch-option{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px;text-align:left;cursor:pointer}.branch-option.selected{border-color:var(--blue);background:#e8f8fb}.branch-chat textarea,.branch-chat>button{margin:10px 15px;width:calc(100% - 30px)}.ethical-screen.compact{aspect-ratio:16/9}.ethical-screen.compact img{width:100%;height:100%;object-fit:contain}@media(max-width:900px){.flow-nav{grid-template-columns:1fr 1fr;position:relative;top:auto}.split-learning{grid-template-columns:1fr}.flow-progress{display:none}.site-header .learner-badge{display:none}}
.preview-placeholder{margin:16px 0;padding:18px;border:2px dashed #d2a45f;border-radius:12px;background:#fff8e8;color:#6f4c16}.preview-placeholder strong{font-size:17px}.preview-placeholder p{margin:5px 0 0;color:#80673f}.project-chapter-content .placeholder-value{display:block;padding:12px;border-radius:9px;background:#fff8e8}
.preview-section{margin:18px 0;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fafcfc}.preview-section h4{margin:0 0 12px;font-size:20px}.preview-section>ul,.condition-preview ul{display:grid;gap:8px;list-style:none;padding:0}.design-answer-preview{display:grid;gap:12px;padding-left:22px}.design-answer-preview p{margin:4px 0}.condition-preview{margin:14px 0;padding:16px;border-left:5px solid var(--blue);border-radius:10px;background:#fff}.condition-preview h5{margin:0 0 8px;font-size:18px}.condition-preview li{display:grid;grid-template-columns:160px 1fr;gap:10px;padding-top:7px;border-top:1px solid var(--line)}
.participant-survey{margin:28px 0;padding:22px;border:1px solid var(--line);border-left:4px solid #d08a2e;border-radius:12px;background:#fffaf2}.participant-survey h3{margin-top:0}.participant-survey-questions{display:grid;gap:18px}.participant-survey-questions label{display:grid;gap:8px;font-weight:750}.participant-survey-questions textarea{width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:10px;padding:12px;font:inherit;resize:vertical}.survey-save-note{font-size:12px;color:var(--muted)}
.chapter-text-content{margin:20px 0;padding:20px;border:1px solid var(--line);border-left:4px solid #7b61c9;border-radius:12px;background:#faf8ff}.chapter-text-content h3{margin-top:0}.chapter-reading{white-space:normal;line-height:1.7}.chapter-file-label{color:var(--muted)}
.open-question-counter{display:block;text-align:right;color:var(--muted);font-weight:600}.structured-participant-survey{border-left-color:#2a8f78;background:#f4fbf9}.instrument-items{display:grid;gap:18px}.instrument-items fieldset{border:1px solid var(--line);border-radius:10px;padding:15px}.instrument-items legend{font-weight:750}.instrument-items label{display:block;margin:8px 0}
.farewell-close-message{display:block;margin-top:24px;padding:16px 18px;border-radius:10px;background:#fff;color:var(--navy);font-weight:800;text-align:center;border:1px solid var(--line)}
.participant-data-label{margin:24px 0;padding:22px;border:1px solid #d8c078;border-left:6px solid #c7a242;border-radius:14px;background:#fffdf7}.data-label-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;margin:18px 0}.participant-data-label details{margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}.participant-data-label summary{cursor:pointer;font-weight:800;color:var(--blue)}.participant-data-label h4{margin:14px 0 6px}@media(max-width:700px){.data-label-grid{grid-template-columns:1fr}}
.ai-interaction-notice{margin:24px 0;padding:22px;border:2px solid #c7a242;border-left:7px solid #17365d;border-radius:14px;background:#fffaf0}.ai-interaction-notice h3{margin-top:0}.ai-notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ai-notice-confirm{display:flex;gap:10px;align-items:flex-start;padding:13px;border-radius:10px;background:#fff;font-weight:800}.ai-notice-confirm input{width:auto;margin-top:4px}.ai-response-actions{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px;padding-top:7px;border-top:1px solid #dde5e7}.ai-response-actions button{border:1px solid #9baeb4;border-radius:999px;background:#fff;padding:5px 8px;color:#17365d;font-size:10px;cursor:pointer}.ai-response-actions small{display:block;width:100%;color:#405660;font-size:10px}@media(max-width:700px){.ai-notice-grid{grid-template-columns:1fr}}
.participant-reidentification-warning{margin:22px 0;padding:20px;border-left:6px solid #237a66;border-radius:12px;background:#edf9f5;color:#173e37}.participant-reidentification-warning h3{margin-top:0}
.in-context-ai-reminder{margin:0;padding:13px 16px;border-bottom:2px solid #c8a24a;background:#fff5cf;color:#26384d}.in-context-ai-reminder strong{display:flex;align-items:center;gap:7px;color:#714f08;font-size:15px}.in-context-ai-reminder p{margin:5px 0 0;font-size:12px;line-height:1.45}.in-context-ai-reminder span{color:#b78618}
.participant-ai-consent-disclosure{margin:16px 0;padding:17px;border:2px solid #c8a24a;border-radius:12px;background:#fffaf0}.participant-ai-consent-disclosure h4{margin-top:0}.consent-migration-warning{display:block;padding:10px;border-left:4px solid #b23a2f;background:#fff0ed;color:#7b211a}