.tutorial-dialog{width:min(920px,calc(100vw - 32px));max-width:none;height:min(740px,calc(100dvh - 32px));max-height:none;padding:0;margin:auto;border:1px solid var(--border-color);border-radius:8px;background:var(--surface);color:var(--text-primary);box-shadow:var(--shadow-lg)}.tutorial-dialog[open]{display:flex;flex-direction:column}.tutorial-dialog::backdrop{background:var(--overlay-background)}.tutorial-dialog button{cursor:pointer;font:inherit}.tutorial-article:focus-visible,.tutorial-dialog button:focus-visible,.tutorial-return:focus-visible{outline:2px solid var(--input-border-focus);outline-offset:-2px}.tutorial-dialog-header{display:flex;flex-shrink:0;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.tutorial-dialog-header>div{display:flex;align-items:center;gap:10px}.tutorial-dialog-header h2{font-size:20px;font-weight:600;margin:0}.tutorial-icon-button{display:grid;place-items:center;width:36px;height:36px;border:0;background:transparent;color:var(--text-secondary);border-radius:4px}.tutorial-icon-button:hover{background:var(--surface-hover)}.tutorial-dialog-body{display:grid;grid-template-columns:210px minmax(0,1fr);flex:1;min-height:0}.tutorial-tabs{padding:12px 8px;border-right:1px solid var(--border-color);background:var(--surface-secondary);overflow-y:auto}.tutorial-tabs button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:44px;padding:10px 12px;border:0;border-left:3px solid transparent;background:transparent;color:var(--text-secondary);text-align:left;font-size:14px}.tutorial-tabs button:hover{background:var(--surface-hover)}.tutorial-tabs button[aria-selected=true]{border-left-color:var(--brand-green);color:var(--text-primary);background:var(--brand-green-soft);font-weight:600}.tutorial-article{overflow-y:auto;padding:24px;overscroll-behavior:contain}.tutorial-article h3{font-size:22px;font-weight:600;margin:0 0 8px}.tutorial-summary{color:var(--text-muted);margin:0 0 24px}.tutorial-article ol{padding-left:24px;margin:0}.tutorial-article li{padding-left:8px;margin-bottom:22px}.tutorial-article li::marker{color:var(--text-muted)}.tutorial-article h4{font-size:15px;font-weight:600;margin:0 0 6px}.tutorial-article p,.tutorial-step-copy p{font-size:14px;line-height:1.65}.tutorial-article li p{color:var(--text-secondary);margin:0}.tutorial-dialog-footer{display:flex;flex-shrink:0;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-top:1px solid var(--border-color)}.tutorial-dialog-footer>span{font-size:13px;color:var(--text-muted);white-space:nowrap}.tutorial-start{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border:0;border-radius:4px;background:var(--button-primary-background);color:var(--button-primary-text);font-size:14px}.tutorial-start:hover{background:var(--button-primary-hover)}.tutorial-start svg{flex-shrink:0}.tutorial-return{position:fixed;top:10px;left:50%;transform:translateX(-50%);z-index:10001;display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--border-color);border-radius:4px;background:var(--surface);color:var(--text-primary);cursor:pointer}.tutorial-step-copy{text-align:left}.tutorial-step-copy p{margin:8px 0}.tutorial-step-copy small{display:block;color:var(--text-muted);font-size:12px}.tutorial-loading{padding:24px}@media (max-width:640px){.tutorial-dialog-body{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr)}.tutorial-tabs{display:flex;flex-wrap:wrap;padding:8px;border-right:0;border-bottom:1px solid var(--border-color);max-height:180px}.tutorial-tabs button{width:auto;flex:1 1 140px;font-size:12px;min-height:36px;padding:8px}.tutorial-article{padding:16px}.tutorial-dialog-footer{padding:12px}.tutorial-start{font-size:12px}}