.iconcu-help-dialog{box-sizing:border-box;width:min(620px,calc(100vw - 24px));max-width:calc(100vw - 24px);max-height:calc(100dvh - 28px);padding:20px;overflow:auto;color:var(--text,#062547);background:var(--panel,#fff);border:1px solid var(--line,#9cc9df);border-radius:16px}.iconcu-help-dialog::backdrop,.welcome-tour::backdrop{background:#051a3080}.iconcu-help-dialog header{display:flex;align-items:center;justify-content:space-between;gap:12px}.iconcu-help-dialog h2{margin:0}.iconcu-help-dialog header button{min-width:36px;min-height:36px}.help-serial,.help-privacy,.help-state{font-size:12px;line-height:1.6}.help-log{max-height:min(40dvh,390px);overflow:auto;overflow-wrap:anywhere;margin:12px 0}.help-log p{white-space:pre-wrap}.help-question{padding:10px 14px;border:1px solid var(--line,#9cc9df);border-radius:12px}.help-answer{padding:12px 0;border-bottom:1px solid var(--line,#9cc9df)}.help-suggestions,.help-links{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.help-suggestions button{font-size:12px}.help-links a{font-size:12px;overflow-wrap:anywhere}.iconcu-help-dialog form{display:grid;gap:8px}.iconcu-help-dialog textarea{box-sizing:border-box;width:100%;min-width:0;max-width:100%;font:inherit;padding:10px;border:1px solid var(--line,#9cc9df);border-radius:10px;background:var(--panel,#fff);color:inherit}.help-site-launcher{position:fixed;left:8px;top:50%;transform:translateY(-50%);z-index:80;max-width:125px;min-height:42px}.iconcu-help-open{white-space:nowrap}.welcome-tour{box-sizing:border-box;width:min(600px,calc(100vw - 24px));max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow:auto}.welcome-tour header{display:flex;justify-content:space-between;align-items:center;gap:12px}.welcome-tour footer{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tour-feature-list{display:grid;gap:9px;padding:0;list-style:none}.tour-feature-list li{padding:10px;border:1px solid var(--line,#9cc9df);border-radius:10px}.tour-feature-list strong{display:block}.tour-feature-list p{margin:4px 0 0;line-height:1.5;font-size:13px}.tour-progress{width:100%;height:6px}.tour-target{outline:3px solid var(--accent,#00b9db);outline-offset:-3px}.tour-replay-buttons{display:flex;gap:8px;flex-wrap:wrap}.tour-note{font-size:13px;line-height:1.6}.help-state:empty{display:none}@media(max-width:600px){.help-site-launcher{max-width:90px;font-size:12px;left:3px}.iconcu-help-dialog{padding:14px}.tour-feature-list{gap:6px}.tour-feature-list li{padding:8px}}@media(prefers-reduced-motion:reduce){.iconcu-help-open,.tour-target{animation:none!important;transition:none!important}}

/* D12: improve source links and answer rhythm without moving controls. */
.help-answer{line-height:1.65}.help-links a{text-underline-offset:3px}.help-serial{font-variant-numeric:tabular-nums}.help-question{box-shadow:inset 0 1px 0 #a3d7eb14}