/* Zygo Tape Operations Hub — Cursor-like chrome */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,400..700;1,14..32,400..700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  color-scheme: dark;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --bg: #0f0f0f;
  --bg-tint: #141414;
  --surface: #171717;
  --surface-hover: #1f1f1f;
  --text: #f2f2f2;
  --muted: #8a8a8a;
  --faint: #5c5c5c;
  --border: #2a2a2a;
  --border-strong: #3a3a3a;
  --accent: #f4f4f4;
  --accent-text: #111;
  --focus: #7eb8ff;
  --danger: #f87171;
  --danger-bg: #2a1214;
  --ok: #4ade80;
  --ok-bg: #102018;
  --warn: #fbbf24;
  --warn-bg: #2a1f0a;

  --urgent: #f87171;
  --urgent-bg: #2a1214;
  --soon: #fb923c;
  --soon-bg: #2a180c;
  --monitor: #fbbf24;
  --monitor-bg: #241e0a;
  --healthy: #4ade80;
  --healthy-bg: #102018;
  --up: #4ade80;
  --down: #f87171;

  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 0 0 1px var(--border), 0 12px 40px rgba(0, 0, 0, 0.28);

  --hub-bg: var(--bg);
  --hub-surface: var(--surface);
  --hub-text: var(--text);
  --hub-muted: var(--muted);
  --hub-accent: var(--focus);
  --hub-border: var(--border);
  --hub-card: var(--surface);
}

html[data-theme="dark"] { color-scheme: dark; }

html[data-theme="light"],
html:not([data-theme]) {
  color-scheme: light;
  --bg: #f6f6f4;
  --bg-tint: #efefed;
  --surface: #ffffff;
  --surface-hover: #f3f3f1;
  --text: #141414;
  --muted: #6b6b6b;
  --faint: #9a9a9a;
  --border: #e6e6e3;
  --border-strong: #d4d4d0;
  --accent: #171717;
  --accent-text: #fafafa;
  --focus: #2563eb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --ok: #16a34a;
  --ok-bg: #f0fdf4;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --urgent: #dc2626;
  --urgent-bg: #fef2f2;
  --soon: #ea580c;
  --soon-bg: #fff7ed;
  --monitor: #ca8a04;
  --monitor-bg: #fefce8;
  --healthy: #16a34a;
  --healthy-bg: #f0fdf4;
  --up: #16a34a;
  --down: #dc2626;
  --shadow: 0 0 0 1px var(--border), 0 16px 40px rgba(20, 20, 20, 0.06);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) {
    color-scheme: dark;
    --bg: #0f0f0f;
    --bg-tint: #141414;
    --surface: #171717;
    --surface-hover: #1f1f1f;
    --text: #f2f2f2;
    --muted: #8a8a8a;
    --faint: #5c5c5c;
    --border: #2a2a2a;
    --border-strong: #3a3a3a;
    --accent: #f4f4f4;
    --accent-text: #111;
    --focus: #7eb8ff;
    --danger: #f87171;
    --danger-bg: #2a1214;
    --ok: #4ade80;
    --ok-bg: #102018;
    --warn: #fbbf24;
    --warn-bg: #2a1f0a;
    --urgent: #f87171;
    --urgent-bg: #2a1214;
    --soon: #fb923c;
    --soon-bg: #2a180c;
    --monitor: #fbbf24;
    --monitor-bg: #241e0a;
    --healthy: #4ade80;
    --healthy-bg: #102018;
    --up: #4ade80;
    --down: #f87171;
    --shadow: 0 0 0 1px var(--border), 0 12px 40px rgba(0, 0, 0, 0.28);
  }
}

* { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.hub-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-optical-sizing: auto;
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: -0.011em;
  background: var(--bg);
  color: var(--text);
}

::selection {
  background: color-mix(in srgb, var(--focus) 28%, transparent);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 4rem;
}

/* —— Topbar —— */

.hub-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  min-height: 52px;
  padding: 0 1.25rem;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

.hub-topbar__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.hub-logo {
  height: 32px;
  width: auto;
  display: block;
  mix-blend-mode: multiply;
}

html[data-theme="dark"] .hub-logo {
  filter: invert(1);
  mix-blend-mode: screen;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .hub-logo {
    filter: invert(1);
    mix-blend-mode: screen;
  }
}

.hub-topbar__sub {
  color: var(--muted);
  font-weight: 450;
  font-size: 0.82rem;
  letter-spacing: -0.01em;
}

.hub-nav {
  display: flex;
  gap: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  margin: 0;
  padding: 3px;
  border-radius: 10px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
}

.hub-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.32rem 0.55rem;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.hub-nav a:hover { color: var(--text); background: var(--surface-hover); }
.hub-nav a.active {
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--border);
}
.hub-nav a.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.theme-toggle {
  position: relative;
  z-index: 22;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-tint);
  color: var(--text);
  cursor: pointer;
}
.theme-toggle:hover {
  background: var(--surface);
  border-color: var(--border-strong);
}
.theme-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle__moon { display: none; }
html[data-theme="light"] .theme-toggle__sun { display: none; }
html[data-theme="light"] .theme-toggle__moon { display: block; }
@media (prefers-color-scheme: light) {
  html:not([data-theme]) .theme-toggle__sun { display: none; }
  html:not([data-theme]) .theme-toggle__moon { display: block; }
}

.hub-account {
  position: relative;
  z-index: 22;
  display: flex;
  align-items: center;
  margin-left: auto;
  flex: 0 0 auto;
}
.hub-account__btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-tint);
  color: var(--text);
  cursor: pointer;
}
.hub-account__btn:hover,
.hub-account__btn[aria-expanded="true"] {
  background: var(--surface);
  border-color: var(--border-strong);
}
.hub-account__btn svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hub-account__avatar {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: inherit;
}
.hub-account__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  min-width: 12.5rem;
  padding: 0.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 28px color-mix(in srgb, #000 22%, transparent);
}
.hub-account__email {
  margin: 0 0 0.25rem;
  padding: 0.4rem 0.55rem 0.5rem;
  max-width: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.72rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.hub-account__profile {
  display: grid;
  gap: 0.1rem;
  margin: 0 0 0.25rem;
  padding: 0.4rem 0.55rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.hub-account__profile strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hub-account__profile span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hub-account__item {
  display: block;
  padding: 0.42rem 0.55rem;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
}
.hub-account__item:hover {
  background: var(--surface-hover);
}

/* —— Home —— */

.hub-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3rem;
}

.hub-hero {
  margin-bottom: 2.25rem;
}

.hub-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hub-hero h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.hub-hero p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
  letter-spacing: -0.012em;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
}

.hub-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.3rem 1.15rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.hub-card:hover:not(.hub-card--soon) {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-1px);
}

.hub-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.hub-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.5;
}

.hub-card__tag {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  color: var(--muted);
}

.hub-footer {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  font-size: 0.75rem;
  color: var(--faint);
}

/* —— Shared controls —— */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.toolbar h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.lede {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.btn {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  letter-spacing: -0.01em;
}
.btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.btn--primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: transparent;
}
.btn--primary:hover { filter: brightness(1.06); }
.btn--danger { color: var(--danger); }

.app-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  min-width: 32px;
  height: 32px;
  min-height: 32px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
}
.app-close:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text);
}
.app-close svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

input[type="search"],
input[type="text"],
input[type="number"],
select,
textarea {
  font: inherit;
  font-size: 0.84rem;
  padding: 0.42rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-tint);
  color: var(--text);
}
input::placeholder { color: var(--faint); }
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
  -webkit-appearance: none;
  appearance: none;
  display: none;
}

.seg {
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  color: var(--muted);
  user-select: none;
}
.seg input { accent-color: var(--focus); }

.kpis {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.95rem;
  min-width: 7.5rem;
}
.kpi strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
}
.kpi span {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.kpi--hot strong { color: var(--danger); }

.hint { color: var(--muted); font-size: 0.82rem; margin: 0 0 0.65rem; }

.banner {
  background: var(--warn-bg);
  color: var(--soon);
  border: 1px solid color-mix(in srgb, var(--soon) 25%, var(--border));
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
  font-size: 0.86rem;
}
.hidden { display: none !important; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.84em;
}

@media (max-width: 640px) {
  .hub-topbar {
    flex-wrap: wrap;
    padding: 0 0.85rem;
  }
  .hub-topbar__brand .hub-topbar__sub { display: none; }
  .hub-nav {
    position: static;
    left: auto;
    transform: none;
    order: 3;
    width: 100%;
    justify-content: center;
    margin: 0 0 0.45rem;
  }
  .hub-main { padding-top: 2.5rem; }
  .page { padding: 1.25rem 0.9rem 3rem; }
}