/* App pages: devices, skills, prototype builder, assembly network */
.app-nav { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 22px; height: 60px; padding: 0 20px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(12px); }
.app-links { display: flex; gap: 4px; }
.flow { display: flex; align-items: center; gap: 6px; margin: 0 auto; }
.flow a { text-decoration: none; font: 500 14px var(--sans); color: var(--ink-2); padding: 7px 12px; border-radius: 999px; }
.flow a:hover { color: var(--ink); background: var(--paper-2); }
.flow a.on { color: var(--paper); background: var(--ink); }
.flow .arrow { color: var(--ink-3); font-size: 12px; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-right .quest { margin-left: 0; }
details.more { position: relative; }
details.more summary { list-style: none; cursor: pointer; font: 500 14px var(--sans); color: var(--ink-2); padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line); }
details.more summary::-webkit-details-marker { display: none; }
details.more summary::after { content: " ▾"; font-size: 11px; }
details.more[open] summary { color: var(--ink); border-color: var(--ink); }
.more-menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 6px; display: grid; min-width: 220px; z-index: 60; }
.more-menu a { text-decoration: none; padding: 9px 12px; border-radius: 9px; font-size: 14px; color: var(--ink-2); }
.more-menu a:hover, .more-menu a.on { background: var(--paper-2); color: var(--ink); }
#authSlot .btn { height: 34px; }
@media (max-width: 1100px) { .nav-right .quest { display: none; } }
@media (max-width: 680px) { .flow .arrow { display: none; } .flow a { padding: 6px 8px; font-size: 13px; } .flow { margin: 0; } }
.app-links a { text-decoration: none; font-size: 14px; color: var(--ink-2); padding: 7px 11px; border-radius: 8px; white-space: nowrap; }
.app-links a:hover { color: var(--ink); background: var(--paper-2); }
.app-links a.on { color: var(--ink); background: var(--paper-2); font-weight: 500; }
.quest { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.quest .lvl { font: 600 11px var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .06em; }
.quest .qbar { display: flex; gap: 3px; } .quest .qbar i { width: 14px; height: 4px; border-radius: 2px; background: var(--line-2); } .quest .qbar i.on { background: var(--accent); }
.quest a { color: var(--ink); text-decoration: none; font-weight: 500; }
.quest a:hover { color: var(--accent); }
@media (max-width: 980px) { .quest a, .quest > span:last-child:not(.qbar) { display: none; } }
@media (max-width: 680px) {
  .app-nav { gap: 10px; padding: 0 12px; overflow-x: auto; scrollbar-width: none; }
  .app-nav::-webkit-scrollbar { display: none; }
  .app-links a { padding: 7px 8px; font-size: 13px; }
  .quest .qbar { display: none; }
}

.page { max-width: 1200px; margin: 0 auto; padding: 36px var(--gutter) 80px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.page-head h1 { font-size: clamp(28px, 3.6vw, 44px); letter-spacing: -0.035em; line-height: 1.05; margin-top: 10px; }
.page-head p { color: var(--ink-2); max-width: 640px; margin-top: 10px; }
.muted { color: var(--ink-3); } .small { font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 900px) { .grid2, .grid3 { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; min-width: 0; }
.card h3 { font-size: 18px; }
.card h4 { font-size: 15px; }
.empty { text-align: center; padding: 48px 20px; border: 1px dashed var(--line-2); border-radius: var(--r); color: var(--ink-2); }
.empty h3 { color: var(--ink); margin-bottom: 6px; }
.banner { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 14px 16px; border-radius: 12px; background: var(--accent-soft); margin-bottom: 18px; font-size: 14px; }
.dot-on, .dot-off { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot-on { background: var(--ok); box-shadow: 0 0 0 3px rgba(31,157,85,.18); } .dot-off { background: var(--ink-3); }
.tag { display: inline-block; font: 11px var(--mono); padding: 3px 7px; border-radius: 6px; background: var(--paper-2); color: var(--ink-2); }
.tag.live { background: rgba(31,157,85,.14); color: var(--ok); }
.tag.planned { background: var(--paper-2); color: var(--ink-3); }
.tag.accent { background: var(--accent-soft); color: var(--accent); }
.cmd { display: flex; gap: 8px; align-items: stretch; margin: 8px 0 4px; }
.cmd code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; background: #111214; color: #e6e4de; border-radius: 10px; padding: 11px 13px; font: 12.5px var(--mono); }
input.f, select.f, textarea.f { width: 100%; height: 38px; border: 1px solid var(--line-2); border-radius: 9px; background: var(--card); color: var(--ink); font: 14px var(--sans); padding: 0 11px; }
textarea.f { height: auto; padding: 9px 11px; resize: vertical; min-height: 84px; }
input.f:focus, select.f:focus, textarea.f:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
label.l { display: grid; gap: 6px; font-size: 13px; color: var(--ink-2); }
.form { display: grid; gap: 12px; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .form .two { grid-template-columns: 1fr; } }
.err { color: #c2361b; font-size: 13px; min-height: 1em; }

/* devices */
.dev { display: grid; gap: 16px; }
.dev-top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.dev-top h3 input { font: 600 20px var(--sans); border: 0; background: transparent; color: var(--ink); padding: 0; width: 100%; max-width: 360px; letter-spacing: -0.02em; }
.dev-top h3 input:focus { outline: none; border-bottom: 1px dashed var(--line-2); }
.stats { display: flex; gap: 18px; flex-wrap: wrap; font: 12px var(--mono); color: var(--ink-2); margin-top: 6px; }
.inst { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.inst li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 14px; padding: 12px 0; border-bottom: 1px solid var(--line); align-items: center; }
.inst .meta { font: 12px var(--mono); color: var(--ink-3); margin-top: 3px; }
.inst .params { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; }
.inst .params label { display: flex; align-items: center; gap: 6px; font: 12px var(--mono); color: var(--ink-2); background: var(--paper-2); border-radius: 8px; padding: 4px 4px 4px 9px; }
.inst .params input { width: 86px; height: 26px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); font: 12px var(--mono); padding: 0 6px; }
.inst .params input[type=text] { width: 200px; }
.feed { font: 12px/1.6 var(--mono); max-height: 220px; overflow: auto; background: var(--paper-2); border-radius: 10px; padding: 10px 12px; }
.feed div { display: grid; grid-template-columns: 74px 1fr; gap: 10px; color: var(--ink-2); }
.feed div b { font-weight: 500; color: var(--ink); }
.add-skill { display: flex; gap: 8px; }
.add-skill select { flex: 1; min-width: 0; }

/* skills */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; align-items: center; }
.toolbar input.f { max-width: 320px; }
.comp-group { margin-top: 30px; }
.comp-group > h2 { font-size: 20px; display: flex; gap: 10px; align-items: baseline; margin-bottom: 12px; }
.comp-group > h2 span { font: 12px var(--mono); color: var(--ink-3); font-weight: 400; }
.skill { display: flex; flex-direction: column; gap: 8px; }
.skill .id { font: 12px var(--mono); color: var(--ink-3); word-break: break-all; }
.skill p { font-size: 14px; color: var(--ink-2); }
.skill .foot { margin-top: auto; display: flex; gap: 6px; flex-wrap: wrap; padding-top: 6px; }
.skill pre { margin: 0; font: 11.5px/1.6 var(--mono); background: #111214; color: #e6e4de; padding: 10px 12px; border-radius: 9px; overflow-x: auto; white-space: pre; }
.endpoints { font: 12.5px/1.9 var(--mono); }
.endpoints b { display: inline-block; min-width: 58px; color: var(--accent); font-weight: 600; }

/* builder */
.pick { max-height: 520px; overflow: auto; display: grid; gap: 4px; }
.pick label { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border-radius: 9px; cursor: pointer; font-size: 14px; }
.pick label:hover { background: var(--paper-2); }
.pick input { margin-top: 3px; accent-color: var(--accent); }
.pick .g { font: 11px var(--mono); color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; padding: 12px 10px 4px; }
table.bom { width: 100%; border-collapse: collapse; font-size: 14px; }
table.bom th { text-align: left; font: 500 11px var(--mono); color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; padding: 8px 6px; border-bottom: 1px solid var(--line-2); }
table.bom td { padding: 9px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.bom td.n { text-align: right; font-family: var(--mono); white-space: nowrap; }
table.bom tfoot td { font-weight: 600; border-bottom: 0; }
.bom-wrap { overflow-x: auto; }
.ladder { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.ladder .card { display: flex; flex-direction: column; gap: 8px; }
.ladder ol { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 14px; display: grid; gap: 5px; }
.ladder .card.now { border-color: var(--ink); box-shadow: var(--shadow); }
.ladder .gate { margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line-2); font-size: 13px; color: var(--ink-2); }
@media (max-width: 900px) { .ladder { grid-template-columns: minmax(0, 1fr); } }

/* makers */
.lang { display: inline-flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; }
.lang button { border: 0; background: none; color: var(--ink-2); font: 500 12px var(--sans); padding: 5px 10px; border-radius: 999px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.kind-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; overflow-x: auto; scrollbar-width: none; }
.kind-tabs button { border: 0; background: none; padding: 10px 12px; font: 500 14px var(--sans); color: var(--ink-3); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.kind-tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--accent); }
.kind-tabs button .c { font: 11px var(--mono); color: var(--ink-3); margin-left: 4px; }
.listing { display: flex; flex-direction: column; gap: 8px; }
.listing .where { font: 12px var(--mono); color: var(--ink-3); }
.listing p { font-size: 14px; color: var(--ink-2); white-space: pre-line; }
.listing .contact { font: 13px var(--mono); background: var(--paper-2); padding: 7px 9px; border-radius: 8px; word-break: break-word; }
.listing .foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-3); }
.listing .foot button { border: 0; background: none; color: var(--ink-3); font: 12px var(--sans); cursor: pointer; text-decoration: underline; }
.zones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.zones .card h4 { margin-bottom: 4px; } .zones .card p { font-size: 14px; color: var(--ink-2); }
@media (max-width: 900px) { .zones { grid-template-columns: minmax(0, 1fr); } }
details.agree { border: 1px solid var(--line); border-radius: 12px; background: var(--card); padding: 0 16px; }
details.agree + details.agree { margin-top: 8px; }
details.agree summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; }
details.agree summary::after { content: "+"; color: var(--ink-3); } details.agree[open] summary::after { content: "–"; }
details.agree ul { margin: 0 0 16px; padding-left: 18px; color: var(--ink-2); font-size: 14px; display: grid; gap: 5px; }
.section-title { font-size: 24px; letter-spacing: -0.02em; margin: 46px 0 14px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; z-index: 200; background: var(--ink); color: var(--paper); padding: 12px 16px; border-radius: 12px; box-shadow: var(--shadow); display: grid; gap: 2px; font-size: 14px; transition: opacity .25s, transform .25s; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast span { color: color-mix(in srgb, var(--paper) 70%, transparent); font-size: 13px; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: grid; place-items: center; z-index: 100; padding: 16px; }
.modal[hidden] { display: none; }
.modal-card { position: relative; background: var(--paper); border-radius: 18px; padding: 26px; width: min(640px, 100%); max-height: 90vh; overflow: auto; box-shadow: var(--shadow); }
.modal-card > .close { position: absolute; top: 12px; right: 12px; width: 30px; height: 30px; border-radius: 50%; border: 0; background: var(--paper-2); color: var(--ink); cursor: pointer; font-size: 18px; }
.modal-card h3 { font-size: 22px; margin-bottom: 6px; padding-right: 30px; }
.steps-v { counter-reset: s; display: grid; gap: 16px; margin-top: 16px; }
.steps-v > div { counter-increment: s; display: grid; grid-template-columns: 28px 1fr; gap: 12px; min-width: 0; }
.steps-v > div::before { content: counter(s); width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: var(--paper); display: grid; place-items: center; font: 600 12px var(--mono); }
.steps-v > div > div { min-width: 0; }
.code-in { font: 600 22px var(--mono) !important; letter-spacing: .12em; text-transform: uppercase; height: 48px !important; text-align: center; }