/* My Febino: header account button, sign-up dialog and the personal engineering dashboard (uses the site's :root tokens) */
.acct-btn { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 7px 14px 7px 8px; font: 600 13.5px var(--f-body); text-decoration: none; white-space: nowrap; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); transition: background .15s, box-shadow .2s; }
.acct-btn:hover { background: var(--accent-2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.acct-btn .ic { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--accent-ink) 14%, transparent); font-size: 14px; overflow: hidden; flex: none; }
.acct-btn .ic img { width: 100%; height: 100%; object-fit: cover; }
.acct-btn.in { background: var(--panel); color: var(--fg); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.acct-btn.in:hover { background: var(--panel-2); }
.acct-btn.in .ic { background: var(--panel-3); color: var(--accent); font: 700 13px var(--f-display); }
.xp-pill { cursor: pointer; }
@media (max-width: 760px) { .acct-btn .lbl-long { display: none; } }
@media (max-width: 560px) { .acct-btn { padding: 5px 10px 5px 5px; font-size: 12.5px; } .xp-pill { margin-left: 0; } .brand-row .acct-btn { margin-left: auto; } }

/* Sign-up / sign-in dialog */
.mf-dlg { border: 0; padding: 0; background: transparent; width: min(460px, calc(100vw - 32px)); color: var(--fg); }
.mf-dlg::backdrop { background: rgba(3, 6, 10, .75); backdrop-filter: blur(3px); }
.mf-card { display: grid; gap: 14px; padding: 22px; border-radius: 16px; background: var(--panel); border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line)); }
.mf-card h2 { font-size: 22px; }
.mf-card .seg { width: 100%; } .mf-card .seg button { flex: 1; padding: 8px; font-size: 13px; }
.mf-card input, .mf-card select, .mf-card textarea, .mf-form input, .mf-form select, .mf-form textarea { width: 100%; background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-sm); padding: 9px 10px; font: 14px var(--f-body); color: var(--fg); min-width: 0; }
.mf-card input:focus, .mf-form input:focus, .mf-form select:focus, .mf-form textarea:focus { border-color: var(--accent); outline: none; }
.mf-card .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.mf-code { font: 600 26px var(--f-mono) !important; letter-spacing: .5em; text-align: center; }
.mf-perks { display: grid; gap: 4px; font-size: 13px; color: var(--muted); margin: 0; padding: 0; list-style: none; }
.mf-hint { font-size: 12px; color: var(--muted); } .mf-hint.ok { color: var(--ok); } .mf-hint.bad { color: var(--bad); }
.mf-x { background: none; border: 0; color: var(--muted); font-size: 18px; cursor: pointer; }
.mf-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

/* Dashboard */
.mf-tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.mf-tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 9px 13px; font: 600 13.5px var(--f-body); color: var(--muted); cursor: pointer; white-space: nowrap; }
.mf-tabs button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.mf-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.mf-stack { display: grid; gap: 14px; min-width: 0; }
.mf-hello { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; padding: 18px; border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 9%, var(--panel)), var(--panel) 60%); }
.mf-av { width: 84px; height: 84px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--panel-3); color: var(--accent); font: 700 32px var(--f-display); overflow: hidden; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent); }
.mf-av img { width: 100%; height: 100%; object-fit: cover; }
.mf-hello h2 { font-size: clamp(22px, 3vw, 28px); }
.mf-badges-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.mf-pill { font: 600 13px var(--f-mono); padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--panel-2); }
.mf-pill.a { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.mf-lvbar { height: 8px; border-radius: 6px; background: var(--panel-3); overflow: hidden; margin-top: 8px; }
.mf-lvbar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.mf-bar { height: 7px; border-radius: 6px; background: var(--panel-3); overflow: hidden; }
.mf-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .5s; }
.mf-course { display: grid; gap: 5px; }
.mf-course > div:first-child { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; }
.mf-course small { color: var(--muted); font-size: 12px; }
.mf-chal .q-text { font-size: 15.5px; }
.mf-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.mf-list li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--panel-2); }
.mf-lb li { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; }
.mf-lb li.me { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--panel-2)); }
.mf-lb .rk { font: 700 16px var(--f-display); color: var(--muted); } .mf-lb li:nth-child(1) .rk { color: #ffd34d; } .mf-lb li:nth-child(2) .rk { color: #cfd8e3; } .mf-lb li:nth-child(3) .rk { color: #e39b5b; }
.mf-lb .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mf-xp-t { width: 100%; border-collapse: collapse; font-size: 14px; }
.mf-xp-t td { padding: 6px 4px; border-bottom: 1px solid var(--line); } .mf-xp-t td:last-child { text-align: right; font-family: var(--f-mono); color: var(--accent); }
.mf-levels li.cur { border-color: var(--accent); }
.mf-levels li.done { opacity: .65; }

/* My Simulators tree */
.mf-tree { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.mf-tree h3 { font-size: 16px; display: flex; gap: 8px; align-items: center; }
.mf-node { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 7px 4px 7px 0; border-bottom: 1px dashed var(--line); }
.mf-node:last-child { border-bottom: 0; }
.mf-node .br { color: var(--dim); font-family: var(--f-mono); }
.mf-node button { background: none; border: 0; padding: 0; color: var(--fg); text-align: left; cursor: pointer; font: 500 14px var(--f-body); }
.mf-node button:hover { color: var(--accent); }
.mf-st { font: 600 11px var(--f-mono); padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--dim); white-space: nowrap; }
.mf-st.att { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.mf-st.done { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 50%, transparent); }

/* Badges */
.mf-badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.mf-badge { display: grid; gap: 4px; justify-items: center; text-align: center; padding: 16px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel-2); }
.mf-badge .em { font-size: 34px; line-height: 1; filter: grayscale(1) opacity(.35); }
.mf-badge b { font-family: var(--f-display); font-size: 15px; }
.mf-badge small { color: var(--muted); font-size: 12px; }
.mf-badge.got { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, var(--panel-2)), var(--panel-2)); }
.mf-badge.got .em { filter: none; }

/* Projects */
.mf-projects { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 14px; align-items: start; }
.mf-plist { display: grid; gap: 6px; }
.mf-plist button { text-align: left; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 9px 10px; cursor: pointer; color: var(--fg); font: 500 13.5px var(--f-body); display: grid; gap: 2px; }
.mf-plist button small { color: var(--muted); font-size: 12px; }
.mf-plist button[aria-current="true"] { border-color: var(--accent); }
.mf-flow { display: flex; flex-wrap: wrap; gap: 6px; align-items: stretch; }
.mf-blk { display: grid; gap: 6px; width: 150px; padding: 9px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--panel-2); }
.mf-blk b { font-size: 13px; font-family: var(--f-display); }
.mf-blk { min-width: 0; } .mf-blk > * { min-width: 0; }
.mf-blk input { width: 100%; min-width: 0; background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-sm); color: var(--fg); padding: 5px 7px; font: 12.5px var(--f-mono); }
.mf-blk input:focus { border-color: var(--accent); outline: none; }
.mf-blk .ctl { display: flex; gap: 4px; } .mf-blk .ctl button { flex: 1; padding: 2px 0; font-size: 12px; }
.mf-arrow { align-self: center; color: var(--accent); font-weight: 700; }
.mf-projects .panel-h { flex-wrap: wrap; }
.mf-title { width: 100%; min-width: 0; }
.mf-palette { display: flex; flex-wrap: wrap; gap: 6px; }
.mf-palette button { font-size: 12.5px; }
.mf-form { display: grid; gap: 12px; }
.mf-form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mf-form label { font-size: 13px; color: var(--muted); display: grid; gap: 5px; }
.mf-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.mf-chips label { display: inline-flex; flex-direction: row; align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 999px; cursor: pointer; color: var(--fg); background: var(--panel-2); font-size: 13px; }
.mf-chips input { width: auto !important; margin: 0; accent-color: var(--accent); }
.mf-chips label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--panel-2)); }
.mf-pitch { display: grid; gap: 14px; padding: 22px; border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), var(--panel) 65%); }
.mf-pitch h2 { font-size: clamp(22px, 3vw, 30px); }
.mf-feats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.mf-feats div { padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--panel-2); font-size: 13.5px; }
.mf-feats b { display: block; font-family: var(--f-display); font-size: 14.5px; margin-bottom: 2px; }
.mf-link { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font: 500 13px var(--f-mono); }
.mf-link code { padding: 4px 8px; border-radius: var(--r-sm); background: var(--bg); border: 1px solid var(--line); overflow-wrap: anywhere; }
@media (max-width: 1000px) { .mf-grid, .mf-projects { grid-template-columns: minmax(0, 1fr); } .mf-tree { grid-template-columns: minmax(0, 1fr); } .mf-feats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .mf-form .two, .mf-feats { grid-template-columns: minmax(0, 1fr); } .mf-blk { width: calc(50% - 3px); } .mf-arrow { display: none; } }

/* "＋ My Project" entry in each system block of the top rail */
.nblock .tab.mk { color: var(--bc); font-weight: 600; }
.nblock .tab.mk:hover { color: var(--fg); }
/* Top rail: both system simulators, Daily Challenge and Tutorials fit on one line at desktop widths */
@media (min-width: 561px) {
  .tabs { gap: 6px; flex-wrap: wrap; }
  .tab.solo { padding: 8px 10px; }
  .nblock { flex: 1 1 auto; }
  .nblock .tab { padding: 5px 7px 7px; font-size: 13px; }
  .nb-h { font-size: 10.5px; }
}
.nblock.lrn { --bc: var(--violet); }
.tab.solo.home { display: inline-flex; align-items: center; gap: 8px; align-self: stretch; border: 1px solid var(--line); background: var(--panel); border-radius: 8px; color: var(--muted); }
.tab.solo.home svg { width: 20px; height: 20px; flex: none; }
.tab.solo.home:hover { color: var(--accent); border-color: var(--accent); }
.tab.solo.home[aria-selected="true"] { color: var(--accent); border-color: var(--accent); }
@media (min-width: 561px) {
  .tab.solo.home { padding: 0 11px; }
  .tab.solo.home span { display: none; }
  .nb-h { letter-spacing: .1em; }
  .nblock .tab { padding: 5px 6px 7px; }
}

/* Guest preview: banner on simulators, locked state after the free actions, and the mock-test note */
.mf-gate { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 14px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--data) 50%, var(--line)); background: color-mix(in srgb, var(--data) 9%, var(--panel)); }
.mf-gate .ic { font-size: 22px; }
.mf-gate > div { flex: 1; min-width: 220px; display: grid; gap: 2px; }
.mf-gate small { color: var(--muted); font-size: 12.5px; }
.mf-gate.locked { position: fixed; z-index: 45; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); width: min(720px, calc(100vw - 32px)); padding: 16px 18px; border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--panel)); box-shadow: 0 18px 50px rgba(0, 0, 0, .6); }
.mf-gate.locked b { font-size: 16px; }
main > .view.mf-locked > :not(.mf-gate) { opacity: .55; filter: saturate(.6); cursor: not-allowed; }
main > .view.mf-locked { padding-bottom: 140px; }
.lock-note { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; padding: 10px 12px; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--line)); background: color-mix(in srgb, var(--accent) 9%, var(--panel-2)); font-size: 14px; }
.lock-note > span:first-of-type { flex: 1; min-width: 220px; }
/* Brand: keep "LEARNING LAB" together so small screens wrap as FEBINO DIGITAL / LEARNING LAB */
.brand-name em { white-space: nowrap; }
/* Company name beside the logo, above the site name */
.brand-text { display: grid; gap: 2px; justify-items: start; text-align: left; line-height: 1.1; }
.brand-co { font: 800 10.5px var(--f-body); letter-spacing: .16em; color: #ff5c93; text-transform: uppercase; }
@media (max-width: 420px) { .brand-co { font-size: 9.5px; letter-spacing: .12em; } }
@media (max-width: 1200px) { .brand-tag { display: none; } }