* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font: 15px/1.65 "Manrope", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 700px at 15% -10%, #7896af08, transparent 60%),
    var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(1.75rem, 3vw, 2.3rem); }
h2 { font-size: 1.35rem; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px 28px; border-bottom: 1px solid var(--line-soft);
  background: var(--chrome); backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: .02em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 18px #7896af26;
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 8px; border-radius: 4px;
  border: 2px solid rgba(255,255,255,.85);
}
.topnav { display: flex; align-items: center; gap: 18px; }
.topnav a { color: var(--muted); font-weight: 550; }
.topnav a:hover, .topnav a.active { color: var(--text); text-decoration: none; }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; font-size: .8rem; font-weight: 700;
  background: var(--primary-fill); color: #fff;
}
.page { max-width: 1180px; margin: 0 auto; padding: 36px 28px 72px; }
.page.narrow { max-width: 980px; }
.page.auth { max-width: 460px; padding-top: 72px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.page-head p { margin: 6px 0 0; }
.stack { display: grid; gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1.35fr .65fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card.flat { box-shadow: none; background: var(--panel); }
.card h2, .card h3 { margin-top: 0; }
.card-link { display: block; color: inherit; }
.card-link:hover { text-decoration: none; border-color: var(--line-strong); transform: translateY(-1px); transition: .15s ease; }

.button, button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border: 0; border-radius: 9px;
  background: var(--primary-fill);
  color: #fff; font-weight: 650; font-size: .94rem; cursor: pointer;
}
.button:hover, button:hover { filter: brightness(1.08); text-decoration: none; }
.button.secondary, button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.button.danger, button.danger { background: #44222a; color: #ffb4b4; border: 1px solid #6b303a; }
.button.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.button.small { padding: 7px 11px; font-size: .86rem; }
.button-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

label { display: block; margin-bottom: 6px; color: var(--muted); font-size: .86rem; font-weight: 600; }
input[type=text], input[type=password], input[type=email], textarea, select {
  width: 100%; padding: 11px 12px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
  font: inherit; outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--line-strong); box-shadow: 0 0 0 3px #7896af1a; }
textarea { resize: vertical; }
.errorlist { color: var(--red); padding-left: 18px; margin: 6px 0 0; font-size: .86rem; }
.helptext { color: var(--muted); font-size: .8rem; display: block; margin-top: 6px; }

.messages { display: grid; gap: 8px; margin-bottom: 18px; }
.message { padding: 11px 14px; border-radius: 9px; border: 1px solid var(--line); background: var(--panel); font-size: .94rem; }
.message.success { border-color: #245c49; background: #11241f; color: #b8f5dd; }
.message.error { border-color: #6b303a; background: #2a161b; color: #ffc1c1; }

.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; }
.metric { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.metric .value { font-size: 31.20px; font-weight: 700; }
.metric .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }

.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.list li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.list li:hover { border-color: var(--line-strong); }
.list .meta { color: var(--muted); font-size: .86rem; }
.empty { text-align: center; padding: 46px 24px; border: 1px dashed var(--line); border-radius: 12px; color: var(--muted); }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.tabs a { padding: 10px 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.active, .tabs a:hover { color: var(--text); border-color: var(--accent); text-decoration: none; }

.studio-shell {
  margin: 0 -28px; height: calc(100vh - 61px); min-height: 560px;
  display: grid; grid-template-columns: 250px 1fr 290px;
  border-top: 1px solid var(--line-soft);
}
.studio-pane { min-height: 0; overflow: auto; background: var(--bg-soft); }
.studio-pane.left { border-right: 1px solid var(--line); padding: 16px; }
.studio-pane.right { border-left: 1px solid var(--line); padding: 16px; }
.studio-pane h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 12px; }
.canvas-wrap { position: relative; background: var(--bg); overflow: hidden; }
.canvas-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 28px 28px;
}
.canvas-msg {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
  color: var(--muted); gap: 10px; padding: 24px; pointer-events: none;
}
.canvas-msg strong { color: var(--text); font-size: 23.40px; }
.studio-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); }
.studio-top .crumbs { color: var(--muted); font-size: .86rem; }
.tree { display: grid; gap: 4px; }
.tree-item { padding: 8px 10px; border-radius: 7px; color: var(--muted); font-size: .94rem; }
.tree-item.active { background: var(--panel-2); color: var(--text); }
.tree-item:hover { background: var(--panel-2); text-decoration: none; }
.panel-empty { color: var(--muted); font-size: .86rem; border: 1px dashed var(--line); border-radius: 9px; padding: 16px; }

@media (max-width: 900px) {
  .grid-2, .grid-3, .metric-row { grid-template-columns: 1fr; }
  .studio-shell { grid-template-columns: 1fr; height: auto; }
  .studio-pane.left, .studio-pane.right { border: 0; border-top: 1px solid var(--line); }
  .canvas-wrap { min-height: 420px; }
  .topnav { gap: 12px; }
}

/* Shared interface polish and responsive account settings. */
body { -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { overflow-wrap: anywhere; }
a, button, input, textarea, select { transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.icon { width: 20px; height: 20px; display: inline-block; flex: 0 0 auto; vertical-align: middle; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--primary-fill); }
.brand-mark::after { content: none; }
.brand-mark .icon { width: 23px; height: 23px; color: white; }
.topbar { min-height: 76px; padding-inline: clamp(20px, 4vw, 64px); }
.topnav { gap: 8px; flex-wrap: wrap; }
.topnav > a { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border-radius: 8px; font-size: .88rem; }
.topnav > a.active { background: var(--selected); color: var(--accent); }
.topnav > .button { color: #fff; }
.topnav .icon { width: 17px; height: 17px; }
.topnav .user-chip { margin-inline: 12px; }
.avatar { flex: 0 0 auto; width: 32px; height: 32px; background: var(--primary-fill); border: 1px solid #8ca0b433; }
.avatar-large { width: 46px; height: 46px; font-size: 1.1rem; border-radius: 15px; }
.button, button { min-height: 42px; font-size: .85rem; padding: 10px 16px; border-radius: 9px; font-weight: 700; background: var(--primary-fill); box-shadow: 0 3px 8px #0002; }
.button.ghost, .button.secondary { box-shadow: none; }
.button:hover, button:hover { transform: translateY(-1px); }
.button .icon, button .icon { width: 17px; height: 17px; }
.skip-link { position: fixed; top: -100px; left: 20px; padding: 10px 18px; background: var(--panel); z-index: 50; }
.skip-link:focus { top: 10px; }
.page.account-page { max-width: 1440px; padding: 38px clamp(20px, 4vw, 64px) 64px; }
.account-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 34px; }
.account-heading h1 { margin: 5px 0 8px; font-weight: 750; letter-spacing: -.045em; }
.account-heading p { margin: 0; }
.eyebrow { color: var(--muted); font-size: .65rem; font-weight: 800; letter-spacing: .16em; }
.account-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(24px, 3.4vw, 48px); align-items: start; }
.account-sidebar { position: sticky; top: 108px; }
.sidebar-person { display: flex; align-items: center; gap: 12px; padding: 4px 8px 25px; border-bottom: 1px solid var(--line-soft); }
.sidebar-person > div, .profile-identity > div { display: grid; min-width: 0; }
.sidebar-person strong, .sidebar-person .small { overflow-wrap: anywhere; }
.nav-caption { font-size: .6rem; color: var(--muted); letter-spacing: .14em; margin: 25px 12px 10px; font-weight: 800; }
.account-nav { display: grid; gap: 7px; }
.account-nav a { display: flex; align-items: center; gap: 12px; padding: 12px; color: var(--muted); border: 1px solid transparent; border-radius: 10px; font-size: .85rem; font-weight: 600; }
.account-nav a:hover { background: var(--hover); color: var(--text); text-decoration: none; }
.account-nav a.active { color: var(--accent); border-color: #8ca0b433; background: var(--selected); }
.account-nav .nav-arrow { margin-left: auto; width: 15px; opacity: 0; }
.account-nav .active .nav-arrow { opacity: 1; }
.sidebar-note { margin: 42px 9px 0; padding: 22px 16px; border-radius: 13px; background: radial-gradient(ellipse at 10% 0, #7896af26, transparent), var(--bg-soft); border: 1px solid var(--line-soft); }
.sidebar-note > .icon { color: var(--accent); width: 28px; height: 28px; }
.sidebar-note p { font-size: .86rem; color: var(--text-soft); line-height: 1.8; }
.sidebar-note a { display: inline-flex; gap: 10px; align-items: center; font-size: .75rem; }
.sidebar-note a .icon { width: 14px; }
.account-content { display: grid; gap: 22px; min-width: 0; }
.account-welcome { position: relative; isolation: isolate; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(110deg, var(--panel-2), var(--chrome)); min-height: 265px; padding: clamp(24px, 3vw, 36px); }
.welcome-copy { position: relative; z-index: 1; max-width: 72%; }
.pill { display: inline-flex; align-items: center; gap: 7px; font-size: .57rem; font-weight: 750; letter-spacing: .09em; color: var(--accent); background: #7896af14; border: 1px solid #7896af26; border-radius: 30px; padding: 5px 10px; }
.pill .icon { width: 12px; height: 12px; }
.welcome-copy h2 { font-size: clamp(1.7rem, 3vw, 2.45rem); letter-spacing: -.05em; margin: 16px 0 10px; line-height: 1.2; }
.accent { color: var(--accent); }
.welcome-copy p { color: var(--text-soft); font-size: .86rem; margin-bottom: 22px; }
.welcome-circuit { position: absolute; width: 320px; height: 100%; right: -16px; top: 0; z-index: 0; opacity: .85; pointer-events: none; }
.account-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.account-metric { display: flex; align-items: center; gap: 12px; padding: 18px 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); min-width: 0; }
.icon-tile { flex: 0 0 auto; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; }
.blue { background: #7896af18; color: var(--accent); }
.violet { background: #7896af18; color: var(--accent); }
.mint { background: #88b9ad18; color: var(--green); }
.account-metric > div { display: grid; gap: 4px; min-width: 0; }
.account-metric .small { font-size: .75rem; }
.account-metric strong { font-size: .95rem; line-height: 1.4; overflow-wrap: anywhere; }
.account-metric:first-child strong { font-size: 1.35rem; }
.account-metric > a { margin-left: auto; color: var(--muted); padding: 4px; }
.account-detail-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 20px; }
.account-card { padding: 0; box-shadow: none; background: var(--panel); overflow: hidden; min-width: 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 22px; border-bottom: 1px solid var(--line-soft); }
.section-heading h2 { margin: 0; display: flex; gap: 9px; align-items: center; font-size: .88rem; font-weight: 700; letter-spacing: -.02em; }
.section-heading h2 .icon { width: 17px; color: var(--muted); }
.text-link { display: inline-flex; gap: 7px; align-items: center; font-size: .74rem; font-weight: 650; }
.text-link .icon { width: 14px; height: 14px; }
.icon-link, .project-open { display: grid; place-items: center; border-radius: 8px; padding: 7px; color: var(--muted); }
.icon-link:hover, .project-open:hover { background: var(--panel-2); color: var(--text); }
.icon-link .icon { width: 16px; height: 16px; }
.project-list { margin: 0; padding: 0 20px; list-style: none; }
.project-list li { display: flex; gap: 12px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line-soft); }
.project-list li:last-child { border-bottom: 0; }
.project-symbol { display: grid; place-items: center; width: 37px; height: 37px; border-radius: 10px; background: var(--panel-2); color: var(--accent); flex: 0 0 auto; }
.project-copy { display: grid; gap: 3px; min-width: 0; }
.project-copy > a { font-size: .84rem; font-weight: 650; color: var(--text); overflow-wrap: anywhere; }
.project-copy .small { font-size: .75rem; }
.project-open { margin-left: auto; }
.project-open .icon { width: 17px; }
.detail-list { margin: 0; padding: 6px 22px 12px; }
.detail-list > div { padding: 10px 0; }
.detail-list dt { color: var(--muted); font-size: .75rem; margin-bottom: 3px; }
.detail-list dd { margin: 0; font-size: .82rem; overflow-wrap: anywhere; }
.detail-footer { display: flex; justify-content: space-between; align-items: center; padding: 14px 22px; font-size: .74rem; border-top: 1px solid var(--line-soft); background: var(--chrome); }
.detail-footer .icon { width: 15px; }
.account-empty { display: grid; justify-items: center; text-align: center; padding: 36px 20px; }
.empty-symbol { display: grid; place-items: center; width: 63px; height: 63px; border-radius: 21px; border: 1px dashed #8ca0b433; background: #26324077; color: var(--accent); transform: rotate(-7deg); margin-bottom: 16px; }
.empty-symbol .icon { width: 29px; height: 29px; }
.account-empty h3 { margin: 0; font-size: 1rem; }
.account-empty p { color: var(--muted); font-size: .77rem; margin: 10px 0 18px; }
.security-banner { display: flex; align-items: center; gap: 14px; border: 1px solid #2a403b; background: linear-gradient(100deg, #15292366, var(--panel)); border-radius: 13px; padding: 18px 22px; color: var(--text); }
.security-banner:hover { border-color: #4a7363; text-decoration: none; }
.security-banner > div { display: grid; gap: 4px; }
.security-banner strong { font-size: .8rem; }
.security-banner > div > span { color: var(--muted); font-size: .72rem; }
.security-action { display: inline-flex; align-items: center; gap: 8px; margin-left: auto; color: var(--green); font-size: .72rem; white-space: nowrap; }
.security-action .icon { width: 15px; }
.settings-card { padding: clamp(22px, 3vw, 34px); box-shadow: none; }
.settings-intro { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.settings-intro h2 { margin: 0 0 6px; font-size: 1.25rem; }
.settings-intro p { margin: 0; font-size: .83rem; }
.profile-identity { display: flex; align-items: center; gap: 14px; padding: 20px; border: 1px solid var(--line); background: var(--bg-soft); border-radius: 12px; margin-bottom: 28px; }
.profile-identity .pill { margin-left: auto; }
.settings-form { display: grid; gap: 22px; }
.form-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.settings-form label { color: var(--text-soft); font-size: .78rem; margin-bottom: 9px; }
.settings-form input { min-height: 47px; background: var(--bg); border-color: var(--line); font-size: .9rem; }
.form-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--line); margin-top: 8px; padding-top: 24px; }
.field-hint, .helptext { color: var(--muted); font-size: .73rem; }
.helptext ul { padding-left: 20px; margin: 8px 0 0; }
.inline-notice { display: flex; align-items: flex-start; gap: 13px; background: #21362f66; border: 1px solid #345244; padding: 16px; border-radius: 10px; margin-bottom: 26px; }
.inline-notice > .icon { color: var(--green); }
.inline-notice strong { font-size: .82rem; }
.inline-notice p { margin: 3px 0 0; font-size: .76rem; color: #aac0b8; }
.page.auth { max-width: 1180px; padding: clamp(32px, 7vh, 84px) clamp(20px, 4vw, 48px); }
.auth-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); align-items: center; gap: clamp(35px, 7vw, 100px); }
.auth-story h1 { font-size: clamp(2rem, 3.6vw, 3rem); line-height: 1.2; letter-spacing: -.055em; margin: 22px 0; }
.auth-story > p { color: var(--muted); max-width: 360px; }
.auth-diagram { display: flex; align-items: center; margin: 48px 0; }
.diagram-node, .diagram-core { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 17px; border: 1px solid var(--line-strong); color: var(--accent); background: var(--chrome); }
.diagram-core { width: 82px; height: 82px; border-radius: 24px; background: var(--selected); box-shadow: 0 0 60px #7896af12; }
.diagram-core .icon { width: 40px; height: 40px; }
.diagram-wire { width: 50px; height: 1px; background: var(--line-strong); position: relative; }
.diagram-wire::after { content: ''; position: absolute; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; top: -2px; left: 50%; }
.auth-features { display: grid; gap: 12px; color: var(--text-soft); font-size: .8rem; }
.auth-features > span { display: flex; align-items: center; gap: 10px; }
.auth-features .icon { width: 16px; color: var(--green); }
.auth-card { padding: clamp(24px, 3vw, 36px); border-color: var(--line); }
.auth-card > h2 { font-size: 1.7rem; letter-spacing: -.045em; margin: 24px 0 8px; }
.auth-card > p { font-size: .8rem; margin: 0 0 28px; }
.auth-card .settings-form { gap: 18px; }
.auth-card .settings-form button { margin-top: 5px; }
.auth-card .auth-other { text-align: center; margin: 25px 0 0; font-size: .75rem; }
@media (min-width: 1600px) { .page.account-page { max-width: 1600px; } .account-layout { grid-template-columns: 240px minmax(0, 1fr); } }
@media (max-width: 1100px) { .account-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 24px; } .account-metric { padding: 14px 10px; gap: 9px; } .account-metric .icon-tile { width: 30px; height: 34px; } .account-metric strong { font-size: .8rem; } .welcome-circuit { right: -65px; opacity: .5; } .account-detail-grid { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .topbar { flex-wrap: wrap; gap: 12px; padding: 14px 20px; position: relative; }
  .topnav { width: 100%; gap: 5px; }
  .topnav > a { padding: 7px 9px; font-size: .78rem; }
  .topnav .user-chip { margin-left: auto; margin-right: 0; }
  .topnav .user-chip > .muted { display: none; }
  .topnav button { font-size: .72rem; }
  .account-heading { align-items: flex-start; margin-bottom: 26px; }
  .account-heading > .button { font-size: .7rem; padding: 8px 10px; }
  .account-heading > .button .icon { display: none; }
  .account-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .account-sidebar { position: static; }
  .sidebar-person, .nav-caption, .sidebar-note { display: none; }
  .account-nav { display: flex; gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-soft); }
  .account-nav a { flex: 1; justify-content: center; gap: 7px; padding: 10px 6px; font-size: .72rem; }
  .account-nav .icon { width: 16px; height: 16px; }
  .account-nav .nav-arrow { display: none; }
  .security-banner { flex-wrap: wrap; }
  .security-action { margin-left: 54px; }
  .auth-layout { grid-template-columns: minmax(0, 1fr); max-width: 480px; margin-inline: auto; gap: 28px; }
  .auth-story > p, .auth-diagram, .auth-features { display: none; }
  .auth-story h1 { font-size: 2rem; margin: 12px 0 0; }
}
@media (max-width: 480px) {
  .account-heading { flex-direction: column; gap: 14px; }
  .account-heading h1 { font-size: 1.8rem; }
  .account-welcome { padding: 24px; min-height: 260px; }
  .welcome-copy { max-width: 100%; }
  .welcome-circuit { opacity: .14; right: -100px; }
  .desktop-break { display: none; }
  .account-metrics { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .account-metric { padding: 14px 16px; }
  .account-metric > div { display: flex; flex: 1; justify-content: space-between; align-items: center; gap: 15px; }
  .account-metric strong, .account-metric:first-child strong { font-size: .9rem; }
  .section-heading { padding: 18px; }
  .form-columns { grid-template-columns: minmax(0, 1fr); }
  .profile-identity { padding: 14px; flex-wrap: wrap; }
  .profile-identity .pill { display: none; }
  .security-banner { display: grid; grid-template-columns: 40px minmax(0, 1fr); padding: 16px; }
  .security-banner > div { min-width: 0; }
  .security-action { grid-column: 2; margin-left: 0; justify-self: start; }
  .topnav > a { font-size: .73rem; gap: 4px; padding: 7px; }
  .topnav .user-chip { display: none; }
  .topnav > form { margin-left: auto; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }

.schematic-svg { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
.schematic-svg .part { cursor: grab; }
.schematic-svg .part.selected .body { stroke: var(--accent); }
.schematic-svg .part:active { cursor: grabbing; }
.schematic-svg .pin { fill: #64748b; pointer-events: none; }
.schematic-svg .pin-hit { fill: transparent; cursor: crosshair; }
.schematic-svg .pin-hit:hover, .schematic-svg .pin-hit.active { fill: #a0b9cf26; }
.schematic-svg .resize-handle { fill: var(--accent); stroke: var(--bg); stroke-width: 1; cursor: nwse-resize; }
.schematic-svg .wire { stroke: #64748b; stroke-width: 2; cursor: pointer; }
.schematic-svg .wire:hover, .schematic-svg .wire.selected { stroke: var(--accent); stroke-width: 2.6; }
.schematic-status {
  position: absolute; left: 16px; bottom: 14px; color: var(--muted);
  font-size: .76rem; background: #18212bd1; border: 1px solid var(--line-soft);
  border-radius: 999px; padding: 5px 10px; pointer-events: none;
}
.part-list { display: grid; gap: 6px; }
.part-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  width: 100%; padding: 8px 10px; border: 1px solid var(--line-soft);
  border-radius: 8px; background: transparent; color: var(--muted);
  font: inherit; font-size: .86rem; cursor: pointer; text-align: left;
}
.part-item:hover { background: var(--panel-2); color: var(--text); }
.part-item.active { background: var(--panel-2); border-color: var(--accent); color: var(--text); }
.part-item span:last-child { color: var(--muted); font-size: .72rem; }
.brand-logo { display: block; flex: 0 0 auto; }
.brand-wordmark { font-size: 1.2rem; font-weight: 800; letter-spacing: -.045em; color: #e1eaf2; }
.brand-wordmark > span { color: #9bb3c9; }
.billing-subscription { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); }
.billing-subscription p { margin: 5px 0; }
.billing-heading { font-size: 1.2rem; margin: 12px 0 20px; }
.billing-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 18px; }
.billing-plan { display: flex; flex-direction: column; }
.billing-plan > .muted { font-size: .8rem; line-height: 1.8; flex: 1; }
.billing-price { font-size: 1.45rem; font-weight: 650; color: var(--text); }
.billing-price > span { font-size: .7rem; color: var(--muted); font-weight: 400; }
.billing-plan .button { width: 100%; }
@media(max-width: 760px) { .account-nav { flex-wrap: wrap; } .billing-subscription { align-items: flex-start; flex-direction: column; } }