.flasher2{--f2-ink:#0f172a;--f2-muted:#64748b;--f2-line:#e2e8f0;--f2-paper:#fff;--f2-bg:#f8fafc;--f2-accent:#0284c7;background:var(--f2-bg);color:var(--f2-ink);color-scheme:light}.f2-page-intro,.f2-workbench{max-width:1024px;margin:auto;padding-inline:28px}.f2-page-intro{padding-top:32px}.f2-workbench{padding-block:28px 56px;overflow-anchor:none}.f2-intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.f2-board-families{display:flex;flex-wrap:wrap;gap:4px;width:fit-content;max-width:100%;padding:4px;margin-bottom:20px;border:1px solid var(--f2-line);border-radius:12px;background:var(--f2-bg)}.f2-board-families button{min-width:88px;max-width:100%;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;color:var(--f2-muted)}.f2-board-families button[aria-pressed=true]{background:var(--f2-paper);color:var(--f2-accent);box-shadow:0 1px 4px #00000012}.f2-board-families button:focus-visible{outline:2px solid var(--f2-accent);outline-offset:2px}.f2-board-families button:disabled{opacity:.5;cursor:not-allowed}.f2-eyebrow{font-size:10px;font-weight:700;letter-spacing:.2em;margin-bottom:14px;color:var(--f2-accent)}.f2-eyebrow span{padding:0 8px;color:#94a3b8}.f2-intro h2{font-size:clamp(28px,3.2vw,40px);font-weight:650;letter-spacing:-.045em;line-height:1.15}.f2-intro h2+p{margin-top:10px;color:var(--f2-muted);font-size:14px}.f2-help{font-size:12px;color:var(--f2-muted);white-space:nowrap}.f2-boards{display:flex;align-items:center;gap:16px;min-height:64px;padding:12px 0;margin-bottom:12px}.f2-boards-label{font-size:11px;font-weight:650;white-space:nowrap}.f2-board-list{gap:8px;flex-wrap:wrap}.f2-board-chip,.f2-board-list{display:flex;align-items:center}.f2-board-chip{gap:7px;border:1px solid var(--f2-line);border-radius:7px;background:var(--f2-paper);padding:7px 11px;font-size:11px}.f2-board-chip[aria-pressed=true]{border-color:var(--f2-accent);background:#e0f2fe}.f2-dot{height:5px;width:5px;background:#94a3b8;border-radius:50%}.f2-board-chip[aria-pressed=true] .f2-dot{background:var(--f2-accent)}.f2-muted{color:var(--f2-muted);font-size:12px}.f2-frame{border:1px solid var(--f2-line);border-radius:18px;background:var(--f2-paper);overflow:hidden;box-shadow:0 8px 35px #0f172a06;min-height:500px;position:relative}.f2-frame-header{display:flex;align-items:center;gap:14px;height:88px;padding:20px 28px;border-bottom:1px solid var(--f2-line)}.f2-frame-header h2{font-size:17px;font-weight:650;flex:1}.f2-frame-header button{font-size:12px}.f2-step{display:grid;place-items:center;flex-shrink:0;width:34px;height:34px;border:1px solid var(--f2-line);border-radius:11px;font-size:13px}.f2-step-done{color:var(--f2-accent);background:#e0f2fe;border-color:#bae6fd}.f2-device-id{font-size:11px;color:var(--f2-muted);margin-top:3px}.f2-connect-body{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:340px;padding:30px;text-align:center}.f2-connect-art{display:grid;place-items:center;width:150px;height:110px;border-radius:24px;background:#f1f5f9;margin-bottom:18px}.f2-connect-art svg{width:125px;height:80px}.f2-connect-body h3{font-size:22px;font-weight:600;letter-spacing:-.025em}.f2-connect-body>p{font-size:13px;color:var(--f2-muted);margin:10px 0 24px}.f2-action button:not([class*=ghost]),.f2-primary{background:var(--f2-accent)!important;color:white!important;border-radius:9px;padding:12px 25px;font-size:14px;font-weight:600;box-shadow:none}.f2-connect-status{font-size:11px;color:var(--f2-muted);min-height:42px;padding-top:17px}.f2-connect-footer{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 28px;background:#f8fafc;border-top:1px solid var(--f2-line);font-size:11px;color:var(--f2-muted)}.f2-connect-footer button{color:var(--f2-accent);font-weight:600}.f2-board-status{padding:0 28px;font-size:12px}.f2-board-status:has(>div),.f2-board-status:has(>p){padding-top:12px;padding-bottom:12px}.f2-setup-region{position:relative;min-height:0}.f2-preparing{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;gap:10px;font-size:13px;color:var(--f2-muted);z-index:1}.f2-setup-region>div>fieldset>div{border:0;box-shadow:none;padding:0;background:transparent}.f2-setup-region>div>fieldset>div>header{display:none}.f2-settings{display:flex;flex-direction:column;min-height:0}.f2-settings-body{padding:0 28px}.f2-setting{padding:19px 0;border-bottom:1px solid var(--f2-line)}.f2-setting:last-child{border-bottom:0}.f2-setting-heading{display:flex;align-items:center;gap:12px}.f2-setting-heading h3{font-size:12px;font-weight:600;color:var(--f2-muted);flex:1}.f2-setting-icon{width:20px;text-align:center;font-size:18px;color:var(--f2-accent)}.f2-edit{font-size:11px;color:var(--f2-accent);font-weight:650;padding:4px 6px;border-radius:4px}.f2-edit:hover{background:#e0f2fe}.f2-setting-value{padding-left:32px;margin-top:6px;font-size:14px;font-weight:500}.f2-setting-detail{font-size:11px;font-weight:400;color:var(--f2-muted);margin-top:3px}.f2-inline-editor{padding:14px 0 2px 32px}.f2-inline-editor>*+*{margin-top:12px}.f2-notes{padding:12px 0;font-size:12px}.f2-notes:empty{display:none}.f2-action-area{margin-top:auto;padding:18px 28px;background:#f8fafc;border-top:1px solid var(--f2-line);min-height:96px}.f2-action{display:flex;align-items:center;justify-content:flex-end;gap:14px}.f2-warning{display:flex;align-items:flex-start;gap:7px;color:#92510f}.f2-blocking,.f2-warning{font-size:12px;margin-bottom:10px}.f2-blocking{color:#96452f}.f2-outcome{font-size:12px}.f2-outcome:empty{display:none}.flasher2 button{cursor:pointer}.flasher2 button:disabled{cursor:not-allowed;opacity:.5}.flasher2 :focus-visible{outline:2px solid var(--f2-accent);outline-offset:3px}.f2-loading{max-width:1024px;margin:auto;padding:80px 28px}.flasher2 [hidden]{display:none!important}.dark .flasher2{--f2-ink:#f1f5f9;--f2-muted:#94a3b8;--f2-line:#334155;--f2-paper:#0f172a;--f2-bg:#020617;--f2-accent:#38bdf8;color-scheme:dark}.dark .f2-board-chip[aria-pressed=true],.dark .f2-edit:hover,.dark .f2-step-done{background:#0c4a6e}.dark .f2-action-area,.dark .f2-connect-art,.dark .f2-connect-footer{background:#0b1222}.dark .f2-action button:not([class*=ghost]),.dark .f2-primary{color:#082f49!important}.dark .f2-warning{color:#e8bb7d}.dark .f2-blocking{color:#f1b4a1}@media(max-width:640px){.f2-page-intro,.f2-workbench{padding-inline:16px}.f2-workbench{padding-block:25px 35px}.f2-intro{align-items:flex-start}.f2-help{margin-top:4px;font-size:10px}.f2-boards{align-items:flex-start;gap:9px;flex-direction:column}.f2-frame-header{padding:16px;height:80px;gap:10px}.f2-connect-body{padding:28px 18px;min-height:420px}.f2-connect-body h3{font-size:21px}.f2-connect-footer{padding:16px;align-items:flex-start;flex-direction:column}.f2-settings-body{padding:0 16px}.f2-inline-editor{padding-left:0}.f2-action-area{padding:16px}.f2-action>*{width:100%}.f2-board-status{padding:0 16px}.f2-frame{border-radius:13px}.f2-setting-value{font-size:13px}.f2-frame-header button{padding:8px;font-size:11px}}.f2-spec-facts{padding-left:32px;margin-top:8px}.f2-spec-facts a{color:var(--f2-accent);text-decoration:underline;text-underline-offset:3px}.f2-connect-body>p.f2-account-note{max-width:440px;margin-top:-12px;font-size:11px}.f2-firmware-observation{margin-top:5px;font-size:12px;font-weight:400;line-height:1.5;color:var(--f2-muted);white-space:normal;overflow-wrap:anywhere}.f2-device-connect{padding:0;font-size:13px}.f2-connect-expectation{max-width:560px;color:var(--f2-muted);line-height:1.6;margin-bottom:16px}.f2-device-connect>details{font-size:12px}.f2-device-connect [role=alert]{text-align:left}.f2-requirements{max-width:540px;text-align:left;font-size:13px;color:var(--f2-muted);line-height:1.65;margin-bottom:22px}.f2-requirements p+p{margin-top:10px}.f2-frame:has(>.f2-connect-body){min-height:0}.f2-page-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;font-size:12px;color:var(--f2-muted)}.f2-page-links a:hover{text-decoration:underline}.f2-intro-compact{justify-content:flex-end;margin-bottom:12px}.f2-saved-boards{margin-bottom:18px;font-size:12px;color:var(--f2-muted)}.f2-saved-boards>summary{cursor:pointer;padding:6px 0;width:fit-content}.f2-saved-boards .f2-boards{min-height:0;margin:0;padding:12px 0 0}.f2-setup-region section:has(>.f2-settings){border:0;border-radius:0;box-shadow:none;padding:0;background:transparent}.f2-setup-region section:has(>.f2-settings)>header{display:none}@media(max-width:640px){.f2-frame{min-height:460px}.f2-connect-body{min-height:310px}}.f2-board-hint{flex-basis:100%;font-size:11px;color:var(--f2-muted);padding-top:2px}.f2-frame-header.f2-board-header{display:block;height:auto}.f2-board-heading{display:flex;align-items:center;gap:14px}.f2-board-receipt{height:48px;margin:10px 0 0 48px}.f2-receipt{font-size:12px;line-height:20px;font-variant-numeric:tabular-nums}.f2-receipt a,.f2-receipt button,.f2-receipt time{white-space:nowrap}.f2-receipt button{font-size:inherit}@media(max-width:640px){.f2-board-heading{gap:10px}.f2-board-receipt{height:64px;margin-left:0}}.f2-stm-connect{padding:24px 28px;border-bottom:1px solid var(--f2-line);font-size:13px;color:var(--f2-muted)}.f2-stm-modes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.f2-stm-modes button{text-align:left;border:1px solid var(--f2-line);border-radius:10px;padding:16px;background:var(--f2-paper)}.f2-stm-modes button[aria-pressed=true]{border-color:var(--f2-accent);box-shadow:inset 0 0 0 1px var(--f2-accent)}.f2-stm-modes strong{display:block;color:var(--f2-ink);font-size:14px;font-weight:600;margin-bottom:5px}.f2-stm-modes span{font-size:12px}.f2-stm-next{padding:28px 0 8px}.f2-stm-next h3{color:var(--f2-ink);font-size:22px;font-weight:600;margin-bottom:12px}.f2-stm-next p{margin:10px 0;line-height:1.6}.f2-stm-next button{margin:12px 0}.f2-stm-ports{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px;border-radius:10px;background:var(--f2-bg)}.f2-stm-ports span,.f2-stm-ports strong{display:block}.f2-stm-ports strong{margin-top:5px;color:var(--f2-ink);font-weight:500}.f2-stm-install{display:grid;gap:16px;padding-top:22px}.f2-stm-install>button{justify-self:start}.f2-stm-install input{max-width:420px}.f2-stm-help summary{cursor:pointer;color:var(--f2-accent);font-weight:500}.f2-stm-help[open]>:not(summary){margin-top:12px}.f2-stm-help [data-dfu-preparation]{border-color:var(--f2-line);background:var(--f2-bg)}.f2-stm-help [data-dfu-preparation] :is(h4,li,p){color:var(--f2-muted)}.f2-stm-status:not(:empty){padding-top:16px}.f2-stm-status [role=alert]{color:var(--f2-ink)}.f2-stm-selector{padding:24px 28px}.f2-stm-firmware>div>fieldset>div{padding:0;border:0;box-shadow:none;background:transparent}.f2-stm-firmware>div:has(>.f2-settings),.f2-stm-firmware>section:has(.f2-settings){padding:0;border:0;box-shadow:none;background:transparent}@media(max-width:640px){.f2-stm-connect,.f2-stm-selector{padding:20px 16px}.f2-stm-modes,.f2-stm-ports{grid-template-columns:1fr}.f2-stm-next h3{font-size:19px}.f2-board-heading{flex-wrap:wrap}.f2-board-heading .min-w-0{min-width:140px}}.f2-external{min-height:0}.f2-external-body{padding:24px 28px 28px;min-width:0}.f2-external-choices{display:grid;gap:12px;min-width:0;border:0;padding:0;margin:0}.f2-external-choices legend{font-size:12px;font-weight:600;color:var(--f2-muted);padding:0;margin-bottom:14px}.f2-external-choice{border:1px solid var(--f2-line);border-radius:12px;min-width:0;overflow:hidden}.f2-external-choice[data-selected=true]{border-color:var(--f2-accent);box-shadow:0 0 0 1px var(--f2-accent)}.f2-external-body .f2-external-choice-title{display:flex;align-items:center;gap:12px;padding:19px 20px;font-size:16px;font-weight:600;cursor:pointer;overflow-wrap:anywhere}.f2-external-choice-title input{width:17px;height:17px;flex-shrink:0;accent-color:var(--f2-accent)}.f2-external-choice-title:has(input:disabled){cursor:not-allowed}.f2-external-choice-content{min-width:0;padding:0 20px 20px 49px}.f2-external-result{font-size:14px;line-height:1.65;color:var(--f2-muted)}.f2-external-requirements{font-size:12px;line-height:1.65;margin-top:14px}.f2-external-requirements summary{cursor:pointer;color:var(--f2-accent);font-weight:500;width:fit-content}.f2-external-requirements ul{list-style:disc;padding:12px 0 0 18px;color:var(--f2-muted)}.f2-external-requirements li+li{margin-top:6px}.f2-external-action{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:18px 20px;margin:22px -20px -20px -49px;background:var(--f2-bg);border-top:1px solid var(--f2-line)}.f2-external-action p{font-size:12px;line-height:1.6;color:var(--f2-muted);flex:1;min-width:160px}.f2-external-action .f2-primary{margin-left:auto;text-align:center}.f2-external-body h3{font-size:16px;font-weight:600}.f2-external-body label{display:grid;gap:8px;font-size:13px}.f2-external-body select{width:100%;min-width:0;padding:10px;border:1px solid var(--f2-line);border-radius:8px;background:var(--f2-bg);color:var(--f2-ink)}.f2-external-ready{display:grid;gap:14px;min-width:0;margin-top:22px;padding-top:20px;border-top:1px solid var(--f2-line);font-size:13px;line-height:1.6}.f2-external-ready pre{padding:16px;border:1px solid var(--f2-line);border-radius:8px;font-size:12px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--f2-bg)}.f2-external-ready dd{display:flex;flex-wrap:wrap;align-items:center;gap:16px;overflow-wrap:anywhere;margin-bottom:12px}.f2-external-steps{display:grid;gap:24px;list-style:none;margin:0;padding:0;min-width:0}.f2-external-steps li{display:grid;gap:12px;min-width:0}.f2-external-steps h4{display:flex;align-items:baseline;gap:10px;font-size:14px;font-weight:600}.f2-external-steps h4>span{display:inline-grid;place-items:center;min-width:24px;height:24px;border:1px solid var(--f2-line);border-radius:7px;font-size:12px;color:var(--f2-accent);flex-shrink:0}.f2-external-code{padding:16px;border:1px solid var(--f2-line);border-radius:9px;background:var(--f2-bg);display:grid;gap:10px;min-width:0}.f2-external-code dt{font-size:12px;color:var(--f2-muted);margin-bottom:6px}.f2-external-code dd{margin-bottom:0}.f2-external-source{display:grid;gap:12px;min-width:0}.f2-external-source ul{display:grid;gap:8px}.f2-external-source li{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 14px;overflow-wrap:anywhere}.f2-external-source a{color:var(--f2-accent);text-decoration:underline;text-underline-offset:3px;width:fit-content}.f2-external-customize{display:grid;gap:12px;padding-top:18px;border-top:1px solid var(--f2-line)}.f2-external-customize h4{font-size:14px;font-weight:600}.f2-external button:not(.f2-primary){width:fit-content;padding:6px 10px;min-height:32px;border:1px solid var(--f2-line);border-radius:6px;font-size:12px}@media(max-width:640px){.f2-external{min-height:0}.f2-external-body{padding:20px 16px}.f2-external-body .f2-external-choice-title{padding:17px 16px;font-size:15px}.f2-external-choice-content{padding:0 16px 18px}.f2-external-action{margin:20px -16px -18px;padding:16px;align-items:stretch;flex-direction:column}.f2-external-action .f2-primary{width:100%;margin:0}.f2-external-action p{min-width:0}}