:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-solid: #ffffff;
  --surface-muted: #edf1f5;
  --ink: #111318;
  --muted: #5d6674;
  --soft: #87909d;
  --line: rgba(17, 19, 24, 0.12);
  --line-strong: rgba(17, 19, 24, 0.2);
  --blue: #086fd6;
  --blue-soft: rgba(8, 111, 214, 0.1);
  --green: #087f68;
  --green-soft: rgba(8, 127, 104, 0.1);
  --amber: #966000;
  --amber-soft: rgba(150, 96, 0, 0.11);
  --red: #c13636;
  --red-soft: rgba(193, 54, 54, 0.1);
  --violet: #6f50a7;
  --shadow: 0 22px 64px rgba(34, 44, 60, 0.12);
  --shadow-soft: 0 10px 28px rgba(34, 44, 60, 0.08);
  --radius: 8px;
  --max: 1440px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0d12;
  --surface: rgba(24, 28, 36, 0.88);
  --surface-solid: #151922;
  --surface-muted: rgba(255, 255, 255, 0.065);
  --ink: #f7f8fb;
  --muted: #b6bfcc;
  --soft: #8993a2;
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 255, 255, 0.22);
  --blue: #68b5ff;
  --blue-soft: rgba(104, 181, 255, 0.12);
  --green: #6ce0c3;
  --green-soft: rgba(108, 224, 195, 0.11);
  --amber: #f1c76b;
  --amber-soft: rgba(241, 199, 107, 0.11);
  --red: #ff8c8c;
  --red-soft: rgba(255, 140, 140, 0.11);
  --violet: #c1a5f6;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.26);
}

* { box-sizing: border-box; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 9px 12px;
  border-radius: 6px;
  color: #fff;
  background: var(--blue);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus { transform: translateY(0); }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(214, 233, 252, 0.7), transparent 28rem),
    var(--bg);
}

:root[data-theme="dark"] body {
  background:
    linear-gradient(180deg, rgba(28, 48, 70, 0.55), transparent 28rem),
    var(--bg);
}

button,
input,
select,
textarea { font: inherit; }

button,
a { -webkit-tap-highlight-color: transparent; }

a { color: inherit; text-decoration: none; }

h1,
h2,
h3,
h4,
p { margin: 0; }

p { color: var(--muted); line-height: 1.55; }

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(8, 111, 214, 0.25);
  outline-offset: 2px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 246, 248, 0.76);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
}

:root[data-theme="dark"] .app-header { background: rgba(11, 13, 18, 0.8); }

.app-header-inner {
  min-height: 62px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-weight: 790;
}

.app-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: #fff;
  background: #151922;
  font-size: 0.72rem;
  font-weight: 850;
}

:root[data-theme="dark"] .app-mark { color: #111318; background: #f7f8fb; }

.app-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 680;
}

.app-nav a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
}

.app-nav a:hover,
.app-nav a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--line);
  background: var(--surface);
}

.header-tools {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface);
  cursor: pointer;
}

.icon-button:hover { color: var(--ink); border-color: var(--line-strong); }

.theme-toggle {
  width: 78px;
  height: 38px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface);
  cursor: pointer;
}

.theme-toggle:hover { color: var(--ink); border-color: var(--line-strong); }

.theme-toggle-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle-track {
  width: 30px;
  height: 18px;
  flex: 0 0 auto;
  padding: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface-muted);
}

.theme-toggle-thumb {
  width: 12px;
  height: 12px;
  display: block;
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(0);
  transition: transform 180ms ease;
}

.theme-toggle[aria-checked="true"] .theme-toggle-thumb { transform: translateX(12px); }

.app-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 22px 64px;
}

.workspace-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.workspace-heading h1 {
  font-size: clamp(2.1rem, 4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.workspace-heading p {
  max-width: 720px;
  margin-top: 10px;
}

.eyebrow {
  width: max-content;
  margin-bottom: 12px;
  padding: 5px 8px;
  border: 1px solid rgba(8, 111, 214, 0.18);
  border-radius: var(--radius);
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.local-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 740;
}

.local-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-soft);
}

.local-badge-button {
  min-height: 34px;
  padding: 0 5px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.local-badge-button:hover { background: var(--green-soft); }

.button-row,
.toolbar,
.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.toolbar {
  justify-content: space-between;
  margin-bottom: 16px;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-solid);
  font-weight: 760;
  cursor: pointer;
}

.button:hover { border-color: var(--blue); transform: translateY(-1px); }

.button.primary {
  color: #fff;
  border-color: rgba(8, 111, 214, 0.44);
  background: #086fd6;
  box-shadow: 0 12px 24px rgba(8, 111, 214, 0.17);
}

.button.danger { color: var(--red); border-color: rgba(193, 54, 54, 0.28); }
.button.ghost { color: var(--muted); background: transparent; border-color: var(--line); }
.button.small { min-height: 34px; padding: 0 10px; font-size: 0.82rem; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.metric {
  min-height: 112px;
  padding: 16px;
  display: grid;
  align-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.metric strong {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.9;
}

.metric span { color: var(--muted); font-size: 0.84rem; font-weight: 650; }
.metric.is-danger strong { color: var(--red); }
.metric.is-warning strong { color: var(--amber); }
.metric.is-success strong { color: var(--green); }

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.panel-header {
  min-height: 58px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
}

.panel-header h2 { font-size: 1rem; }
.panel-header p { font-size: 0.82rem; }
.panel-body { padding: 16px; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.field {
  display: grid;
  gap: 7px;
}

.field.full { grid-column: 1 / -1; }

.field label,
.field > span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 740;
}

.input,
.select,
.textarea,
.search-input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-solid);
}

.input,
.select,
.search-input { padding: 0 11px; }
.textarea { min-height: 104px; padding: 10px 11px; resize: vertical; line-height: 1.48; }
.search-input { min-width: min(280px, 80vw); }

.input::placeholder,
.textarea::placeholder,
.search-input::placeholder { color: var(--soft); }

.status-chip,
.severity-chip,
.priority-chip {
  width: max-content;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 7px;
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.tone-blue { color: var(--blue); background: var(--blue-soft); }
.tone-green { color: var(--green); background: var(--green-soft); }
.tone-amber { color: var(--amber); background: var(--amber-soft); }
.tone-red { color: var(--red); background: var(--red-soft); }
.tone-neutral { color: var(--muted); background: var(--surface-muted); }
.tone-violet { color: var(--violet); background: rgba(111, 80, 167, 0.11); }

.empty-state {
  min-height: 180px;
  display: grid;
  place-items: center;
  padding: 26px;
  text-align: center;
}

.empty-state h3 { margin-bottom: 7px; font-size: 1rem; }
.empty-state p { max-width: 420px; font-size: 0.9rem; }

.modal {
  width: min(720px, calc(100vw - 28px));
  max-height: calc(100vh - 30px);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}

.modal::backdrop {
  background: rgba(9, 12, 17, 0.58);
  backdrop-filter: blur(5px);
}

.modal-form { display: grid; max-height: calc(100vh - 30px); }

.modal-header,
.modal-footer {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-header { border-bottom: 1px solid var(--line); }
.modal-footer { border-top: 1px solid var(--line); }
.modal-content { padding: 18px; overflow-y: auto; }

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  min-width: 220px;
  max-width: min(380px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-solid);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show { opacity: 1; transform: translateY(0); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.project-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px 34px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--soft);
  font-size: 0.78rem;
}

.footer-data-link {
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
}

.footer-data-link:hover { color: var(--blue); }

@media (max-width: 900px) {
  .app-header-inner {
    display: flex;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .header-tools { margin-left: auto; }

  .app-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 1px;
  }

  .app-nav a { white-space: nowrap; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field-grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .app-shell { padding: 22px 14px 48px; }
  .app-header-inner { padding-left: 14px; padding-right: 14px; }
  .workspace-heading { grid-template-columns: 1fr; align-items: start; }
  .workspace-heading h1 { font-size: clamp(2rem, 12vw, 3rem); }
  .workspace-heading .button-row { justify-content: flex-start; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric { min-height: 96px; padding: 13px; }
  .field-grid,
  .field-grid.three { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .search-input { min-width: 0; }
  .toolbar,
  .toolbar-group { align-items: stretch; }
  .toolbar { display: grid; }
  .toolbar-group { display: grid; grid-template-columns: 1fr 1fr; }
  .toolbar-group .search-input { grid-column: 1 / -1; }
  .button { white-space: normal; text-align: center; }
  .project-footer { padding-left: 14px; padding-right: 14px; display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 1ms !important; }
}