:root {
  color-scheme: dark;
  --bg: #090d12;
  --surface: #111820;
  --surface-2: #151e27;
  --line: #273542;
  --line-strong: #3a4c5c;
  --text: #f5f8fb;
  --muted: #93a4b4;
  --blue: #58a8ff;
  --blue-strong: #248bf2;
  --green: #55d6a3;
  --amber: #f2bb62;
  --red: #ff737b;
  --shadow: 0 22px 70px rgb(0 0 0 / 34%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body { min-height: 100vh; margin: 0; background:
  radial-gradient(circle at 84% -10%, rgb(36 139 242 / 16%), transparent 34rem),
  linear-gradient(180deg, #0b1016, var(--bg) 28rem); }
a { color: inherit; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  min-height: 72px;
  padding: 0 4vw;
  border-bottom: 1px solid rgb(255 255 255 / 8%);
  background: rgb(9 13 18 / 88%);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.brand small { color: var(--blue); font-size: .62rem; letter-spacing: .16em; }
.brand-mark { display: block; flex: 0 0 auto; width: 1.75rem; height: 1.75rem; border-radius: .42rem; object-fit: contain; box-shadow: 0 0 1.4rem rgb(30 136 255 / 20%); }
.brand-mark.large { width: 3.25rem; height: 3.25rem; border-radius: .7rem; box-shadow: 0 0 2rem rgb(30 136 255 / 24%); }
nav { display: flex; align-items: center; gap: .3rem; }
nav a { padding: .7rem .9rem; border-radius: .65rem; color: var(--muted); text-decoration: none; font-size: .92rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); background: rgb(255 255 255 / 7%); }
.account { display: flex; align-items: center; gap: .8rem; color: var(--muted); font-size: .86rem; }
.account form { margin: 0; }

.shell { width: min(1180px, 92vw); min-height: calc(100vh - 160px); margin: 0 auto; padding: 3.5rem 0 5rem; }
.auth-page { display: grid; min-height: 100vh; grid-template-rows: 1fr auto; }
.auth-shell { display: grid; place-items: center; width: 100%; padding: 2rem; }
.login-card, .error-card { width: min(460px, 100%); padding: clamp(1.6rem, 4vw, 2.7rem); border: 1px solid var(--line); border-radius: 1.25rem; background: rgb(17 24 32 / 94%); box-shadow: var(--shadow); }
.login-brand { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1.2rem; }

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .6rem; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -.045em; }
h2 { margin-bottom: .35rem; font-size: 1.25rem; letter-spacing: -.02em; }
.eyebrow { margin-bottom: .55rem; color: var(--blue); font-size: .7rem; font-weight: 800; letter-spacing: .16em; }
.lede { max-width: 46rem; color: var(--muted); font-size: 1.02rem; line-height: 1.65; }
.large-copy { color: #c7d2dd; font-size: 1.1rem; line-height: 1.7; }
.muted { color: var(--muted); }

.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.live-indicator { display: flex; align-items: center; gap: .55rem; color: var(--muted); font-size: .82rem; white-space: nowrap; }
.live-indicator i { width: .55rem; height: .55rem; border-radius: 50%; background: var(--green); box-shadow: 0 0 1rem var(--green); }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.metric-card, .panel-card, .empty-state { border: 1px solid var(--line); border-radius: 1rem; background: linear-gradient(145deg, rgb(21 30 39 / 94%), rgb(15 22 29 / 94%)); box-shadow: 0 14px 38px rgb(0 0 0 / 15%); }
.metric-card { display: grid; gap: .5rem; padding: 1.35rem; }
.metric-card span, .metric-card small { color: var(--muted); }
.metric-card strong { overflow: hidden; font-size: 1.8rem; line-height: 1.15; text-overflow: ellipsis; text-transform: capitalize; }
.panel-grid { display: grid; gap: 1rem; }
.panel-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel-card { min-width: 0; padding: 1.45rem; }
.card-list { display: grid; gap: 1rem; }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.35rem; }
.card-heading .eyebrow { overflow-wrap: anywhere; }

.pill { display: inline-flex; align-items: center; min-height: 1.7rem; padding: .3rem .65rem; border: 1px solid var(--line); border-radius: 99rem; color: var(--muted); background: rgb(255 255 255 / 4%); font-size: .65rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.pill.good { color: var(--green); border-color: rgb(85 214 163 / 30%); background: rgb(85 214 163 / 8%); }
.pill.warning { color: var(--amber); border-color: rgb(242 187 98 / 30%); background: rgb(242 187 98 / 8%); }

.topology-list { display: grid; gap: .8rem; margin: 0; padding: 0; list-style: none; }
.topology-list li { display: flex; align-items: center; gap: .8rem; }
.topology-list li > span { display: grid; flex: 0 0 1.8rem; height: 1.8rem; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--blue); font-size: .7rem; }
.topology-list div { display: grid; gap: .15rem; }
.topology-list small { color: var(--muted); }

.stack-form { display: grid; gap: 1rem; margin-top: 1.5rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.3rem; }
.compact-grid { grid-template-columns: 2fr 1fr 1fr auto; align-items: end; }
label { display: grid; min-width: 0; gap: .45rem; color: var(--muted); font-size: .76rem; font-weight: 700; letter-spacing: .03em; }
input, select { width: 100%; min-width: 0; min-height: 2.85rem; padding: .7rem .8rem; border: 1px solid var(--line-strong); border-radius: .7rem; outline: 0; color: var(--text); background: #0d141b; }
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgb(88 168 255 / 14%); }
.check-label { display: flex; align-items: center; gap: .6rem; align-self: end; min-height: 2.85rem; }
.check-label input, .member-option input { width: 1rem; min-height: 1rem; accent-color: var(--blue-strong); }
.form-actions { display: flex; align-items: end; }
.inline-form { display: flex; align-items: end; gap: .75rem; }
.inline-form label { flex: 1; }
.job-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 1.5rem; }
.button-row, .split-actions { display: flex; align-items: end; gap: .65rem; flex-wrap: wrap; }
.split-actions { justify-content: space-between; margin-top: 1.3rem; padding-top: 1.3rem; border-top: 1px solid var(--line); }
.room-state-actions { margin-bottom: 1.4rem; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .68rem 1rem; border: 1px solid transparent; border-radius: .7rem; cursor: pointer; color: var(--text); background: transparent; font-weight: 750; text-decoration: none; white-space: nowrap; }
.button:hover { filter: brightness(1.1); }
.button:disabled { cursor: wait; opacity: .6; }
.button.primary { background: var(--blue-strong); box-shadow: 0 8px 24px rgb(36 139 242 / 22%); }
.button.secondary { border-color: var(--line-strong); background: rgb(255 255 255 / 5%); }
.button.danger { color: #ffd6d9; border-color: rgb(255 115 123 / 32%); background: rgb(255 115 123 / 9%); }
.button.ghost { color: var(--muted); border-color: var(--line); }
.button.compact { min-height: 2.2rem; padding: .45rem .7rem; font-size: .78rem; }
.button.full { width: 100%; }

.create-card { margin-bottom: 1rem; }
.create-card summary { cursor: pointer; font-size: 1.05rem; font-weight: 750; }
.members-form { display: grid; gap: 1rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend { margin-bottom: .8rem; font-size: .8rem; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: .09em; }
.member-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
.member-option { display: flex; align-items: center; gap: .7rem; padding: .75rem; border: 1px solid var(--line); border-radius: .7rem; background: rgb(255 255 255 / 3%); }
.member-option > span { display: grid; min-width: 0; gap: .15rem; }
.member-option strong, .member-option small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.member-option small { color: var(--muted); font-weight: 500; }

.message { margin-bottom: 1rem; padding: .9rem 1rem; border: 1px solid; border-radius: .75rem; }
.message.success { color: #c7f7e3; border-color: rgb(85 214 163 / 35%); background: rgb(85 214 163 / 10%); }
.message.error { color: #ffd6d9; border-color: rgb(255 115 123 / 35%); background: rgb(255 115 123 / 10%); }
.empty-state { padding: 3rem 1.5rem; text-align: center; }
.empty-state p { margin-bottom: 0; color: var(--muted); }

footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.4rem 4vw; border-top: 1px solid rgb(255 255 255 / 7%); color: var(--muted); font-size: .72rem; }

@media (max-width: 900px) {
  .topbar { grid-template-columns: 1fr auto; gap: .8rem; padding-block: .65rem; }
  nav { grid-column: 1 / -1; order: 3; overflow-x: auto; }
  .account > span { display: none; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-grid.two { grid-template-columns: 1fr; }
  .compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .member-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 1.25rem, 1180px); padding-top: 2rem; }
  .topbar { padding-inline: .75rem; }
  .brand small { display: none; }
  nav a { padding: .6rem .7rem; }
  .page-heading { align-items: flex-start; flex-direction: column; gap: .6rem; }
  .metric-grid, .form-grid, .compact-grid, .member-grid { grid-template-columns: 1fr; }
  .job-controls { grid-template-columns: 1fr; }
  .inline-form { align-items: stretch; flex-direction: column; }
  .split-actions { align-items: stretch; flex-direction: column; }
  .split-actions form, .split-actions .button { width: 100%; }
  .card-heading { flex-direction: column; }
  footer { flex-direction: column; }
}