:root {
  --font-sans: "IBM Plex Sans Thai", "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --color-primary: #00e5ff;
  --color-primary-light: #22d3ee;
  --color-primary-dark: #00b8cc;
  --color-primary-soft: rgba(0, 229, 255, 0.15);
  --color-accent-green: #10b981;
  --color-accent-amber: #f59e0b;
  --color-accent-red: #ef4444;
  --color-accent-purple: #a855f7;
  --color-glass-border: rgba(0, 229, 255, 0.1);
  --color-text-primary: #f0f6ff;
  --color-text-secondary: #8ba3c0;
  --color-text-muted: #4a6080;
  --color-surface: #0a0e1a;
  --shadow-glass: 0 20px 45px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

body::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.22);
}

.animated-bg {
  background-image:
    radial-gradient(1400px 800px at 85% -5%, rgba(0, 229, 255, 0.1), transparent 60%),
    radial-gradient(1000px 700px at -5% 105%, rgba(16, 185, 129, 0.08), transparent 55%),
    radial-gradient(600px 400px at 45% 12%, rgba(0, 180, 255, 0.05), transparent 70%),
    linear-gradient(135deg, #050810, #080c18 30%, #0a0e1a 65%, #0d1220);
  background-size: 400% 400%;
  animation: gradient-shift 18s ease-in-out infinite;
}

@keyframes gradient-shift {
  0% {
    background-position: 0 0;
  }
  50% {
    background-position: 100% 100%;
  }
  100% {
    background-position: 0 0;
  }
}

.particles-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
  background-image:
    radial-gradient(2px 2px at 8% 12%, rgba(0, 229, 255, 0.35), transparent),
    radial-gradient(1.5px 1.5px at 22% 8%, rgba(0, 229, 255, 0.24), transparent),
    radial-gradient(2px 2px at 38% 18%, rgba(0, 229, 255, 0.28), transparent),
    radial-gradient(1px 1px at 55% 6%, rgba(0, 200, 240, 0.18), transparent),
    radial-gradient(2px 2px at 72% 14%, rgba(0, 229, 255, 0.3), transparent),
    radial-gradient(1px 1px at 15% 35%, rgba(0, 229, 255, 0.18), transparent),
    radial-gradient(2px 2px at 32% 42%, rgba(16, 185, 129, 0.2), transparent),
    radial-gradient(1.5px 1.5px at 50% 30%, rgba(0, 229, 255, 0.22), transparent),
    radial-gradient(2px 2px at 80% 38%, rgba(0, 229, 255, 0.28), transparent),
    radial-gradient(1.5px 1.5px at 12% 85%, rgba(0, 229, 255, 0.2), transparent),
    radial-gradient(2px 2px at 58% 88%, rgba(16, 185, 129, 0.18), transparent),
    radial-gradient(1px 1px at 90% 82%, rgba(0, 229, 255, 0.2), transparent);
  background-size: 160px 160px;
  animation: float-particles 28s linear infinite;
}

.particles-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(65deg, transparent 30%, rgba(0, 229, 255, 0.03) 50%, transparent 70%),
    linear-gradient(125deg, transparent 25%, rgba(0, 229, 255, 0.025) 50%, transparent 75%),
    linear-gradient(45deg, transparent 35%, rgba(16, 185, 129, 0.02) 55%, transparent 75%);
  background-size: 300px 300px, 450px 350px, 500px 400px;
  animation: mesh-drift 35s ease-in-out infinite alternate;
}

@keyframes mesh-drift {
  0% {
    background-position: 0 0, 100% 0, 0 100%;
  }
  100% {
    background-position: 100% 100%, 0 100%, 100% 0;
  }
}

@keyframes float-particles {
  0% {
    transform: translateY(0) translateX(0);
  }
  33% {
    transform: translateY(-60px) translateX(15px);
  }
  66% {
    transform: translateY(-120px) translateX(-10px);
  }
  100% {
    transform: translateY(-180px) translateX(5px);
  }
}

.shell {
  position: relative;
  z-index: 10;
  width: min(1240px, calc(100% - 32px));
  margin: 36px auto 56px;
  display: grid;
  gap: 16px;
}

.glass-card,
.glass-card-hover {
  border: 1px solid var(--color-glass-border);
  border-radius: 1rem;
  backdrop-filter: blur(24px);
}

.glass-card {
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.88), rgba(10, 14, 26, 0.72));
  box-shadow: var(--shadow-glass), inset 0 1px rgba(0, 229, 255, 0.05);
}

.glass-card-hover {
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.85), rgba(13, 20, 40, 0.7));
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card-hover:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 229, 255, 0.22);
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 229, 255, 0.08);
}

.hero-card,
.focus-panel,
.side-panel,
.board-panel,
.compose-panel {
  padding: 24px;
}

.hero-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.18fr 0.82fr;
}

.eyebrow,
.focus-lane__eyebrow,
.sheet-card__eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.hero-copy h1 {
  margin: 12px 0 0;
  max-width: 14ch;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  font-weight: 700;
}

.hero-text {
  margin: 16px 0 0;
  max-width: 70ch;
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: 0.98rem;
}

.inline-code {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, 0.18);
  background: rgba(0, 229, 255, 0.08);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.hero-actions,
.form-actions,
.dialog__actions,
.row-actions,
.focus-item__foot,
.focus-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.hero-actions {
  margin-top: 24px;
}

.primary-btn,
.ghost-btn,
.icon-btn,
.row-actions button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 0.65rem;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.primary-btn {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid rgba(0, 229, 255, 0.4);
  font-weight: 600;
}

.primary-btn:hover {
  background: var(--color-primary-light);
}

.primary-btn[disabled] {
  opacity: 0.55;
  cursor: wait;
}

.ghost-btn,
.row-actions button,
.icon-btn {
  color: var(--color-text-primary);
  background: rgba(13, 20, 40, 0.65);
  border: 1px solid var(--color-glass-border);
}

.ghost-btn:hover,
.row-actions button:hover,
.icon-btn:hover {
  background: rgba(13, 20, 40, 0.78);
  border-color: rgba(0, 229, 255, 0.22);
}

.hero-live {
  margin: 18px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.live-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--color-accent-green);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.7);
  animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.65;
    transform: scale(1.35);
  }
}

.hero-side {
  display: grid;
  gap: 12px;
}

.hero-tile,
.hero-mini,
.hero-status,
.ops-chip,
.compose-shell,
.sheet-card,
.ops-note {
  border: 1px solid var(--color-glass-border);
  background: rgba(13, 20, 40, 0.55);
}

.hero-tile {
  padding: 18px;
  border-radius: 0.9rem;
}

.tile-label,
.metric-card__label,
.ops-chip span {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tile-value,
.metric-card__value {
  margin: 8px 0 0;
  font-size: clamp(2rem, 4vw, 2.95rem);
  line-height: 1;
  font-weight: 700;
}

.tile-meta,
.metric-card__meta,
.section-head__hint,
.task-sub,
.task-note,
.form-actions__note,
.hero-status p,
.capability-card p,
.sheet-card__meta,
.ops-note {
  color: var(--color-text-secondary);
}

.tile-meta {
  margin: 8px 0 0;
  line-height: 1.55;
}

.hero-stack {
  display: grid;
  gap: 10px;
}

.hero-mini,
.ops-chip {
  border-radius: 0.85rem;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hero-mini span {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.hero-mini strong,
.ops-chip strong {
  font-size: 1.1rem;
}

.hero-status {
  border-radius: 0.9rem;
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}

.hero-status p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
}

.config-banner {
  padding: 16px 18px;
  border-radius: 1rem;
  border: 1px solid rgba(239, 68, 68, 0.25);
  background: rgba(127, 29, 29, 0.38);
  color: #fecaca;
}

.config-banner--danger {
  border-color: rgba(239, 68, 68, 0.25);
  background: rgba(127, 29, 29, 0.38);
  color: #fecaca;
}

.config-banner--warning {
  border-color: rgba(245, 158, 11, 0.28);
  background: rgba(120, 53, 15, 0.34);
  color: #fde68a;
}

.config-banner--info {
  border-color: rgba(0, 229, 255, 0.22);
  background: rgba(8, 47, 73, 0.34);
  color: #c7f9ff;
}

.hidden {
  display: none;
}

.stats-grid,
.capability-grid,
.insight-grid {
  display: grid;
  gap: 12px;
}

.stats-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

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

.metric-card,
.capability-card {
  padding: 18px;
}

.metric-card__meta {
  margin: 10px 0 0;
  font-size: 0.84rem;
  line-height: 1.55;
}

.stat-glow-blue {
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.14), 0 0 28px rgba(0, 229, 255, 0.18), 0 8px 32px rgba(0, 229, 255, 0.08);
}

.stat-glow-green {
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.14), 0 0 28px rgba(16, 185, 129, 0.18), 0 8px 32px rgba(16, 185, 129, 0.08);
}

.stat-glow-amber {
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.14), 0 0 28px rgba(245, 158, 11, 0.18), 0 8px 32px rgba(245, 158, 11, 0.08);
}

.stat-glow-red {
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.14), 0 0 28px rgba(239, 68, 68, 0.18), 0 8px 32px rgba(239, 68, 68, 0.08);
}

.stat-glow-purple {
  box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.14), 0 0 28px rgba(168, 85, 247, 0.18), 0 8px 32px rgba(168, 85, 247, 0.08);
}

.capability-card__icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  border: 1px solid rgba(0, 229, 255, 0.18);
  background: rgba(0, 229, 255, 0.08);
  color: var(--color-primary);
}

.capability-card__icon svg {
  width: 20px;
  height: 20px;
}

.capability-card h2 {
  margin: 14px 0 0;
  font-size: 1rem;
}

.capability-card p {
  margin: 8px 0 0;
  line-height: 1.6;
  font-size: 0.92rem;
}

.capability-card strong {
  display: inline-block;
  margin-top: 14px;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.overview-grid {
  display: grid;
  gap: 16px;
  align-items: start;
  grid-template-columns: 1.05fr 0.95fr;
}

.executive-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.side-grid {
  display: grid;
  gap: 16px;
}

.section-head,
.dialog__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.section-head h2,
.dialog__head h3 {
  margin: 0;
}

.section-head__hint {
  margin: 4px 0 0;
  font-size: 0.88rem;
  line-height: 1.55;
}

.section-accent {
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-accent::before {
  content: "";
  width: 3px;
  height: 1.1rem;
  border-radius: 999px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--color-primary), rgba(0, 229, 255, 0.3));
}

.source-grid,
.sheet-directory,
.ops-notes,
.meter-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

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

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

.source-card,
.sheet-card {
  border-radius: 0.9rem;
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
  border: 1px solid var(--color-glass-border);
  background: rgba(13, 20, 40, 0.55);
}

.source-card:hover,
.source-card.is-active,
.sheet-card:hover,
.sheet-card.is-active {
  border-color: rgba(0, 229, 255, 0.22);
  background: rgba(13, 20, 40, 0.78);
  transform: translateY(-1px);
}

.source-card__head,
.sheet-card__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.source-card h3,
.sheet-card h3 {
  margin: 8px 0 0;
  font-size: 1rem;
}

.source-card__subtitle {
  margin: 8px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

.sheet-card__badge,
.header-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
}

.sheet-card__badge {
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.14);
  color: var(--color-primary);
  font-size: 0.8rem;
}

.sheet-card__meta {
  margin: 10px 0 0;
  font-size: 0.88rem;
}

.source-card__chips,
.sheet-card__chips,
.header-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.source-card__chips span,
.sheet-card__chips span,
.header-chip {
  padding: 0 10px;
  min-height: 30px;
  border-radius: 999px;
  border: 1px solid var(--color-glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

.source-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.source-card__link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.82rem;
}

.source-card__link:hover {
  border-color: rgba(0, 229, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.executive-cards,
.leaderboard-list,
.breakdown-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

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

.executive-card,
.leaderboard-item,
.breakdown-card {
  border-radius: 0.95rem;
  border: 1px solid var(--color-glass-border);
  background: rgba(13, 20, 40, 0.55);
}

.executive-card {
  padding: 16px;
}

.executive-card__label,
.leaderboard-item__eyebrow,
.breakdown-card__eyebrow {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.executive-card__value {
  margin: 10px 0 0;
  font-size: 1.7rem;
  line-height: 1.1;
  font-weight: 700;
}

.executive-card__meta {
  margin: 8px 0 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
  font-size: 0.88rem;
}

.narrative-panel {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.narrative-panel article {
  padding: 14px 16px;
  border-radius: 0.95rem;
  border: 1px solid rgba(0, 229, 255, 0.1);
  background: rgba(8, 14, 30, 0.65);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.narrative-panel strong {
  color: var(--color-text-primary);
}

.leaderboard-item {
  padding: 14px 16px;
}

.leaderboard-item__head,
.leaderboard-item__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.leaderboard-item__title {
  margin: 8px 0 0;
  font-size: 0.98rem;
}

.leaderboard-item__badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, 0.14);
  background: rgba(0, 229, 255, 0.08);
  color: var(--color-primary);
  font-size: 0.8rem;
  white-space: nowrap;
}

.leaderboard-item__meta {
  margin: 10px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

.leaderboard-item__row {
  margin-top: 12px;
  color: var(--color-text-secondary);
  font-size: 0.84rem;
}

.leaderboard-item__row strong {
  color: var(--color-text-primary);
}

.breakdown-card {
  padding: 14px 16px;
}

.breakdown-card h3 {
  margin: 8px 0 0;
  font-size: 0.96rem;
}

.breakdown-card__meta {
  margin: 8px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  line-height: 1.55;
}

.breakdown-card__items {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.breakdown-card__item {
  display: grid;
  gap: 6px;
}

.breakdown-card__item-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--color-text-secondary);
}

.breakdown-card__item-head strong {
  color: var(--color-text-primary);
}

.breakdown-card__track {
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.breakdown-card__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.88), rgba(0, 229, 255, 0.88));
}

.ops-note {
  padding: 12px 14px;
  border-radius: 0.85rem;
}

.ops-note strong {
  color: var(--color-text-primary);
}

.meter__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--color-text-secondary);
  font-size: 0.86rem;
}

.meter__track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.meter__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light));
}

.filters {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

.filters--wide {
  grid-template-columns: 1fr;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.65rem;
  border: 1px solid rgba(0, 229, 255, 0.12);
  background: rgba(10, 14, 26, 0.85);
  color: var(--color-text-primary);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-muted);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field--wide {
  grid-column: span 2;
}

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

.table-wrap {
  overflow: auto;
  border-radius: 0.95rem;
  border: 1px solid var(--color-glass-border);
  background: rgba(10, 14, 26, 0.58);
}

.task-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
}

.task-table th,
.task-table td {
  padding: 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(0, 229, 255, 0.08);
}

.task-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: rgba(5, 8, 16, 0.96);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.task-link {
  color: var(--color-primary);
  text-decoration: none;
}

.cell-pre {
  white-space: pre-wrap;
  line-height: 1.55;
  color: var(--color-text-primary);
}

.cell-muted {
  color: var(--color-text-muted);
}

.compose-shell {
  margin-top: 16px;
  padding: 14px;
  border-radius: 0.95rem;
}

.compose-shell summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

.compose-shell summary::-webkit-details-marker {
  display: none;
}

.compose-shell[open] summary {
  margin-bottom: 16px;
}

.task-form {
  display: grid;
  gap: 16px;
}

.form-actions__note {
  margin: 0;
  line-height: 1.6;
  flex: 1 1 280px;
}

.empty-state {
  padding: 32px 20px 8px;
  text-align: center;
}

.empty-state h3 {
  margin: 0 0 8px;
}

.empty-state p {
  margin: 0;
  color: var(--color-text-secondary);
}

.dialog {
  width: min(720px, calc(100% - 24px));
  border: 0;
  padding: 0;
  background: transparent;
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
}

.dialog__surface {
  padding: 24px;
  border-radius: 1rem;
  border: 1px solid var(--color-glass-border);
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.95), rgba(13, 20, 40, 0.88));
  box-shadow: var(--shadow-glass);
}

.dialog__head {
  margin-bottom: 18px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 0.65rem;
  font-size: 1.4rem;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  max-width: min(420px, calc(100% - 40px));
  padding: 14px 16px;
  border-radius: 0.8rem;
  border: 1px solid var(--color-glass-border);
  background: rgba(10, 14, 26, 0.94);
  box-shadow: var(--shadow-glass);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .hero-grid,
  .overview-grid,
  .stats-grid,
  .capability-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .executive-cards,
  .source-grid,
  .sheet-directory {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .shell {
    width: min(100% - 20px, 100%);
    margin-top: 18px;
  }

  .hero-card,
  .focus-panel,
  .side-panel,
  .board-panel,
  .compose-panel,
  .dialog__surface {
    padding: 20px;
  }

  .form-grid,
  .ops-grid {
    grid-template-columns: 1fr;
  }

  .field--wide,
  .field--full {
    grid-column: auto;
  }

  .section-head,
  .dialog__head,
  .dialog__actions,
  .sheet-card__head {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero-copy h1 {
    max-width: 100%;
    font-size: 1.85rem;
  }
}