:root {
  --bg: #07111d;
  --bg-elevated: rgba(11, 22, 37, 0.78);
  --bg-solid: #0e1a2a;
  --card: rgba(10, 18, 31, 0.92);
  --card-highlight: rgba(14, 26, 42, 0.96);
  --text: #ecf3ff;
  --muted: #93a5bf;
  --line: rgba(164, 184, 209, 0.18);
  --line-strong: rgba(164, 184, 209, 0.32);
  --brand: #6fffe9;
  --brand-strong: #1fe0be;
  --accent: #ffae42;
  --danger: #ff6b6b;
  --success: #3ddc97;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --font-sans: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
}

html[data-theme="day"] {
  --bg: #edf3fb;
  --bg-elevated: rgba(255, 255, 255, 0.88);
  --bg-solid: #f6f9fd;
  --card: rgba(255, 255, 255, 0.95);
  --card-highlight: rgba(255, 255, 255, 0.99);
  --text: #0f1b2c;
  --muted: #5a6880;
  --line: rgba(15, 27, 44, 0.12);
  --line-strong: rgba(15, 27, 44, 0.22);
  --brand: #0f8b8d;
  --brand-strong: #0c6a6c;
  --accent: #d97706;
  --danger: #c2410c;
  --success: #15803d;
  --shadow: 0 18px 40px rgba(60, 84, 122, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 224, 190, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 174, 66, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
    var(--bg);
  font-family: var(--font-sans);
}

body {
  position: relative;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-noise {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
  opacity: 0.26;
  pointer-events: none;
}

.app-shell,
.ops-shell {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100vw - 32px));
  margin: 16px auto 24px;
}

.panel {
  background: linear-gradient(180deg, var(--card-highlight), var(--card));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.topbar {
  display: grid;
  grid-template-columns: 1.6fr 1fr auto;
  gap: 20px;
  padding: 28px;
  margin-bottom: 20px;
}

.brand-block h1,
.ops-hero h1 {
  margin: 8px 0 10px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.04em;
}

.brand-block p,
.ops-hero p {
  max-width: 70ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.topbar-metrics {
  display: grid;
  gap: 12px;
  align-content: start;
}

.topbar-chip,
.identity-card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.topbar-chip span,
.identity-card span,
.metric-card p,
.meta-copy {
  color: var(--muted);
}

.topbar-chip strong,
.metric-card strong,
.hero-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
}

.topbar-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.primary-button,
.ghost-button,
.nav-button,
.filter-chip,
.calendar-cell,
.toggle-bullet {
  border: none;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.primary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 16px;
  font-weight: 700;
}

.primary-button {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #021017;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--line);
}

.primary-button:hover,
.ghost-button:hover,
.nav-button:hover,
.filter-chip:hover,
.calendar-cell:hover {
  transform: translateY(-1px);
}

.shell-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
}

.sidebar {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar-section {
  display: grid;
  gap: 16px;
}

.nav-stack {
  display: grid;
  gap: 8px;
}

.nav-button {
  justify-content: flex-start;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-weight: 600;
}

.nav-button.is-active {
  background: linear-gradient(135deg, rgba(111, 255, 233, 0.18), rgba(255, 174, 66, 0.12));
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(111, 255, 233, 0.22);
}

.sidebar-footer {
  margin-top: auto;
}

.sidebar-links {
  display: grid;
  gap: 10px;
}

.sidebar-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.workspace {
  display: grid;
  gap: 20px;
}

.workspace-header {
  padding: 0 6px;
}

.workspace-header h2 {
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
}

.view-panel {
  display: grid;
  gap: 20px;
}

.view-panel[hidden] {
  display: none !important;
}

.dashboard-grid,
.content-grid {
  display: grid;
  gap: 20px;
}

.dashboard-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

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

.metric-card {
  padding: 22px;
  min-height: 170px;
}

.metric-card strong {
  display: block;
  margin: 14px 0 10px;
  font-size: clamp(1.5rem, 2.2vw, 2.1rem);
}

.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-grid--focus,
.content-grid--calendar {
  grid-template-columns: 1.1fr 0.9fr;
}

.content-card,
.hero-card {
  padding: 24px;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.section-title-row h3,
.section-title-row h2 {
  margin: 10px 0 0;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.quick-links-grid,
.note-grid,
.stream-grid {
  display: grid;
  gap: 14px;
}

.quick-links-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.quick-link-card,
.note-card,
.stream-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.quick-link-meta,
.badge,
.weekday-row span,
.list-card span,
.timeline-entry time,
.log-card span {
  color: var(--muted);
  font-size: 0.86rem;
}

.release-list,
.branch-list {
  display: grid;
  gap: 12px;
  padding-left: 18px;
  margin: 0;
  color: var(--muted);
}

.timeline,
.list-stack,
.log-stack {
  display: grid;
  gap: 12px;
}

.timeline-entry,
.list-card,
.log-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.timeline-entry p,
.log-card p,
.stream-card p,
.note-card p,
.quick-link-card span,
.list-card span {
  margin: 0;
  line-height: 1.55;
}

.hero-card {
  display: grid;
  gap: 16px;
}

.hero-value {
  font-size: clamp(3rem, 7vw, 5.4rem);
}

.progress-track {
  width: 100%;
  height: 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
}

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

.form-grid--stacked .form-grid__full {
  grid-column: 1 / -1;
}

.form-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 16px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: rgba(111, 255, 233, 0.5);
  box-shadow: 0 0 0 3px rgba(111, 255, 233, 0.14);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.filter-chip {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border: 1px solid var(--line);
}

.filter-chip.is-active {
  color: var(--text);
  border-color: rgba(111, 255, 233, 0.3);
  background: rgba(111, 255, 233, 0.12);
}

.list-card {
  grid-template-columns: auto minmax(0, 1fr) auto auto;
}

.list-card.is-complete {
  opacity: 0.78;
}

.list-card.is-complete strong {
  text-decoration: line-through;
}

.list-card-body {
  display: grid;
  gap: 6px;
}

.toggle-bullet {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: transparent;
  border: 2px solid var(--brand);
}

.list-card.is-complete .toggle-bullet {
  background: var(--brand);
  box-shadow: inset 0 0 0 4px rgba(2, 16, 23, 0.85);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

.badge-success {
  color: var(--success);
}

.badge-muted {
  color: var(--muted);
}

.weekday-row,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.weekday-row {
  margin-bottom: 10px;
}

.calendar-cell {
  min-height: 102px;
  padding: 14px 12px;
  display: grid;
  align-content: space-between;
  justify-items: start;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  color: var(--text);
}

.calendar-cell.is-empty {
  opacity: 0.2;
  pointer-events: none;
}

.calendar-cell.is-selected {
  border-color: rgba(111, 255, 233, 0.45);
  background: rgba(111, 255, 233, 0.12);
}

.calendar-cell.is-today {
  box-shadow: inset 0 0 0 1px rgba(255, 174, 66, 0.36);
}

.stream-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.stream-card header,
.note-card footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.stream-card footer {
  color: var(--muted);
}

.stream-card[data-status="stable"] {
  box-shadow: inset 0 0 0 1px rgba(61, 220, 151, 0.18);
}

.stream-card[data-status="ready"] {
  box-shadow: inset 0 0 0 1px rgba(255, 174, 66, 0.18);
}

.stream-card[data-status="active"] {
  box-shadow: inset 0 0 0 1px rgba(111, 255, 233, 0.2);
}

.log-card[data-level="error"] {
  border-color: rgba(255, 107, 107, 0.3);
}

.empty-state {
  padding: 24px;
  border-radius: 20px;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  text-align: center;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 5;
  min-width: min(360px, calc(100vw - 36px));
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(9, 16, 26, 0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}

.toast[data-tone="success"] {
  border-color: rgba(61, 220, 151, 0.3);
}

.toast[data-tone="warning"] {
  border-color: rgba(255, 174, 66, 0.4);
}

.toast[data-tone="error"] {
  border-color: rgba(255, 107, 107, 0.4);
}

.ops-page {
  display: grid;
  place-items: center;
  padding: 22px 0 32px;
}

.ops-shell {
  display: grid;
  gap: 20px;
}

.ops-hero {
  padding: 28px;
}

code {
  font-family: var(--font-mono);
  color: var(--brand);
}

strong {
  letter-spacing: -0.02em;
}

[data-tone="healthy"] {
  color: var(--success);
}

[data-tone="warning"] {
  color: var(--accent);
}

[data-tone="critical"] {
  color: var(--danger);
}

@media (max-width: 1180px) {
  .topbar,
  .shell-layout,
  .content-grid,
  .content-grid--focus,
  .content-grid--calendar,
  .dashboard-grid,
  .dashboard-grid--compact {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .sidebar {
    order: 2;
  }
}

@media (max-width: 720px) {
  .app-shell,
  .ops-shell {
    width: min(100vw - 20px, 100%);
    margin: 10px auto 22px;
  }

  .topbar,
  .sidebar,
  .metric-card,
  .content-card,
  .hero-card,
  .ops-hero {
    padding: 18px;
  }

  .form-grid,
  .form-grid--stacked,
  .form-grid--three,
  .list-card,
  .timeline-entry,
  .log-card {
    grid-template-columns: 1fr;
  }

  .weekday-row,
  .calendar-grid {
    gap: 6px;
  }

  .calendar-cell {
    min-height: 84px;
    padding: 10px;
  }

  .hero-value {
    font-size: 2.5rem;
  }
}