:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #0b1120;
  --bg-soft: #0f172b;
  --card: #111831;
  --card-2: #16203d;
  --border: #273459;
  --text: #eef3ff;
  --muted: #95a4d3;
  --accent: #5f86ff;
  --accent-strong: #7da1ff;
  --green: #50d990;
  --red: #ff5555;
  --yellow: #f1c40f;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  --radius: 14px;
  --radius-sm: 12px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(95, 134, 255, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(80, 217, 144, 0.12), transparent 24%),
    linear-gradient(180deg, #09101e 0%, #0b1120 48%, #0d1426 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 90%);
}

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

a {
  color: inherit;
}

button {
  cursor: pointer;
}

#app {
  min-height: 100vh;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.auth-card {
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: minmax(300px, 1.15fr) minmax(340px, 0.95fr);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(17, 24, 49, 0.96), rgba(10, 15, 32, 0.98));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.auth-brand {
  position: relative;
  padding: 48px;
  background:
    radial-gradient(circle at 10% 20%, rgba(95, 134, 255, 0.28), transparent 36%),
    radial-gradient(circle at 85% 15%, rgba(80, 217, 144, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(18, 28, 55, 0.98), rgba(11, 17, 32, 0.98));
}

.auth-brand::after {
  content: "";
  position: absolute;
  inset: auto 32px 32px auto;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(95, 134, 255, 0.45), transparent 65%);
  filter: blur(18px);
}

.brand-badge,
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: #d9e3ff;
  font-size: 0.9rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: inline-grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), #88a6ff);
  color: white;
  font-weight: 800;
  box-shadow: 0 10px 20px rgba(95, 134, 255, 0.35);
}

.auth-brand h1 {
  margin: 22px 0 14px;
  font-size: clamp(2.3rem, 5vw, 4.1rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.auth-brand p {
  max-width: 520px;
  color: var(--muted);
  font-size: 1.02rem;
}

.auth-stats,
.detail-list,
.mini-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.auth-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.auth-stats li,
.summary-tile,
.metric-card,
.dashboard-card,
.surface,
.calendar-legend,
.sim-result,
.empty-state,
.detail-list li,
.mini-list li,
.stat-chip {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.auth-stats li {
  padding: 16px;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}

.auth-form {
  padding: 38px 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.auth-header h2,
.section-head h2,
.module-header h2 {
  margin: 0;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
}

.auth-header p,
.section-head p,
.module-header p,
.subtle {
  margin: 8px 0 0;
  color: var(--muted);
}

.form-grid {
  display: grid;
  gap: 14px;
}

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

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

.field label {
  color: #d8e0fd;
  font-size: 0.92rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 14px;
  background: rgba(8, 12, 25, 0.72);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  transform: translateY(-1px);
  background: rgba(8, 12, 25, 0.92);
}

.field textarea {
  min-height: 102px;
  resize: vertical;
}

.field-note,
.helper-text {
  color: var(--muted);
  font-size: 0.84rem;
}

.btn,
.ghost-btn,
.icon-btn,
.segmented button,
.page-btn {
  border: 0;
  border-radius: 12px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--accent), #7a9cff);
  color: white;
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(95, 134, 255, 0.3);
}

.btn:hover,
.ghost-btn:hover,
.icon-btn:hover,
.page-btn:hover,
.segmented button:hover {
  transform: translateY(-1px);
}

.ghost-btn,
.page-btn,
.segmented button {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.btn.danger {
  background: linear-gradient(135deg, rgba(255, 85, 85, 0.95), rgba(211, 54, 54, 0.95));
  box-shadow: 0 12px 24px rgba(255, 85, 85, 0.22);
}

.btn:disabled,
.ghost-btn:disabled,
.icon-btn:disabled,
.page-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.switch-link {
  color: #cfd9ff;
  text-align: center;
}

.switch-link button {
  padding: 0;
  background: none;
  border: 0;
  color: var(--accent-strong);
  font-weight: 700;
}

.feedback {
  min-height: 22px;
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.feedback.error {
  color: #ff9b9b;
}

.feedback.success {
  color: #a5f1c5;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(17, 24, 49, 0.98), rgba(10, 15, 31, 0.98)),
    rgba(10, 15, 31, 0.85);
  backdrop-filter: blur(18px);
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-lockup strong {
  display: block;
  font-size: 1rem;
}

.brand-lockup span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.mobile-toggle,
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.mobile-toggle {
  display: none;
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 13px;
  color: #d8e1ff;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.nav-item:hover,
.nav-item.active {
  background: rgba(95, 134, 255, 0.12);
  border-color: rgba(95, 134, 255, 0.32);
  transform: translateX(2px);
}

.nav-icon {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  font-weight: 800;
}

.sidebar-summary {
  margin-top: auto;
  padding: 18px;
}

.main-panel {
  min-width: 0;
  padding: 26px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.search-chip,
.user-chip,
.status-badge,
.pill,
.kpi-value span,
.calendar-day .day-count,
.status-dot,
.signal-dot,
.legend-item::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.search-chip,
.user-chip {
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.user-chip strong {
  color: var(--text);
}

.page-content {
  animation: fade-slide 240ms ease;
}

@keyframes fade-slide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-head,
.module-header,
.module-toolbar,
.toolbar-group,
.dashboard-grid,
.split-grid,
.table-toolbar,
.calendar-header,
.calendar-grid,
.form-actions,
.filter-grid,
.cards-grid,
.segment-row,
.summary-grid,
.stats-grid,
.history-grid,
.table-meta,
.legend-row {
  display: grid;
  gap: 16px;
}

.section-head,
.module-header {
  margin-bottom: 20px;
}

.section-head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

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

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

.dashboard-card,
.surface,
.table-card,
.calendar-card,
.modal-card {
  padding: 22px;
  background: linear-gradient(180deg, rgba(17, 24, 49, 0.95), rgba(13, 20, 39, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.dashboard-card .eyebrow,
.surface .eyebrow,
.table-card .eyebrow {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kpi-value {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}

.kpi-value strong {
  font-size: clamp(1.65rem, 4vw, 2.4rem);
  letter-spacing: -0.04em;
}

.kpi-value span,
.pill,
.status-badge {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  border: 1px solid transparent;
}

.status-badge.green,
.pill.green {
  background: rgba(80, 217, 144, 0.14);
  color: #aaf1c7;
  border-color: rgba(80, 217, 144, 0.24);
}

.status-badge.red,
.pill.red {
  background: rgba(255, 85, 85, 0.14);
  color: #ffc2c2;
  border-color: rgba(255, 85, 85, 0.24);
}

.status-badge.yellow,
.pill.yellow {
  background: rgba(241, 196, 15, 0.14);
  color: #ffe89a;
  border-color: rgba(241, 196, 15, 0.22);
}

.status-badge.blue,
.pill.blue {
  background: rgba(95, 134, 255, 0.14);
  color: #c9d6ff;
  border-color: rgba(95, 134, 255, 0.22);
}

.signal-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.signal-stack {
  display: flex;
  gap: 10px;
}

.signal-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.signal-dot.active.green,
.legend-item.pending::before,
.status-dot.pending {
  background: var(--green);
}

.legend-item.pending::before,
.status-dot.pending {
  background: var(--yellow);
}

.signal-dot.active.yellow {
  background: var(--yellow);
}

.signal-dot.active.red,
.legend-item.overdue::before,
.status-dot.overdue {
  background: var(--red);
}

.signal-dot.active.ok,
.legend-item.done::before,
.status-dot.done {
  background: var(--green);
}

.signal-copy strong {
  display: block;
  font-size: 1.15rem;
}

.signal-copy p {
  margin: 6px 0 0;
  color: var(--muted);
}

.table-card,
.calendar-card {
  overflow: hidden;
}

.table-toolbar,
.filter-grid,
.segment-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
}

.split-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
}

.table-wrap {
  overflow: auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: rgba(8, 12, 25, 0.32);
}

th,
td {
  padding: 15px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  color: #cfd8ff;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.03);
}

td {
  color: #e7eeff;
}

tbody tr:hover {
  background: rgba(95, 134, 255, 0.06);
}

.table-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  width: 36px;
  height: 36px;
}

.summary-tile,
.metric-card,
.sim-result,
.empty-state,
.calendar-legend {
  padding: 18px;
}

.summary-tile strong,
.metric-card strong,
.sim-result strong {
  display: block;
  font-size: 1.4rem;
  margin-top: 10px;
}

.summary-tile p,
.metric-card p,
.sim-result p,
.empty-state p {
  color: var(--muted);
  margin-bottom: 0;
}

.detail-list {
  display: grid;
  gap: 12px;
}

.detail-list li,
.mini-list li {
  padding: 14px 16px;
}

.detail-list strong,
.mini-list strong {
  display: block;
}

.list-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.list-line span {
  color: var(--muted);
}

.mini-list {
  display: grid;
  gap: 10px;
}

.mini-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-row {
  grid-template-columns: repeat(3, minmax(0, max-content));
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.legend-item::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.segmented {
  display: inline-flex;
  padding: 4px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.segmented button {
  padding: 10px 16px;
}

.segmented button.active {
  background: rgba(95, 134, 255, 0.18);
  border-color: rgba(95, 134, 255, 0.3);
}

.calendar-header {
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
}

.calendar-grid {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-weekday {
  padding: 12px;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.calendar-day {
  min-height: 138px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  align-content: start;
  gap: 10px;
}

.calendar-day.other-month {
  opacity: 0.4;
}

.calendar-day.today {
  outline: 1px solid rgba(95, 134, 255, 0.35);
  box-shadow: inset 0 0 0 1px rgba(95, 134, 255, 0.2);
}

.calendar-day header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calendar-day .day-count {
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.78rem;
}

.calendar-events {
  display: grid;
  gap: 8px;
}

.calendar-event {
  padding: 10px;
  border-radius: 11px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.05);
  text-align: left;
}

.calendar-event.pending {
  background: rgba(241, 196, 15, 0.12);
  border-color: rgba(241, 196, 15, 0.22);
}

.calendar-event.done {
  background: rgba(80, 217, 144, 0.12);
  border-color: rgba(80, 217, 144, 0.22);
}

.calendar-event.overdue {
  background: rgba(255, 85, 85, 0.12);
  border-color: rgba(255, 85, 85, 0.22);
}

.calendar-event strong {
  display: block;
  font-size: 0.86rem;
}

.calendar-event small {
  color: rgba(255, 255, 255, 0.72);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(4, 7, 15, 0.72);
  backdrop-filter: blur(10px);
}

.modal-card {
  width: min(780px, 100%);
}

.modal-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.4rem;
}

.form-actions {
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  margin-top: 18px;
}

.table-meta {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-top: 16px;
}

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

.empty-state {
  text-align: center;
}

.arca-surface {
  display: grid;
  gap: 18px;
}

.arca-status-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arca-status-grid .summary-tile strong {
  font-size: 1.1rem;
}

.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;
}

@media (max-width: 1180px) {
  .auth-card {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    padding: 36px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(300px, 88vw);
    transform: translateX(-102%);
    transition: transform 220ms ease;
    z-index: 20;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 19;
    background: rgba(4, 7, 15, 0.66);
    backdrop-filter: blur(8px);
  }

  .mobile-toggle {
    display: inline-grid;
  }

  .main-panel {
    padding: 18px 16px 28px;
  }

  .dashboard-grid,
  .cards-grid,
  .summary-grid,
  .split-grid,
  .table-toolbar,
  .filter-grid,
  .segment-row,
  .arca-status-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .auth-form,
  .auth-brand {
    padding: 28px 22px;
  }

  .auth-stats {
    grid-template-columns: 1fr;
  }

  .auth-form .form-grid.compact,
  .section-head,
  .calendar-header,
  .form-actions,
  .table-meta {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-actions {
    justify-content: space-between;
  }

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

  .calendar-weekday {
    display: none;
  }

  .calendar-day {
    min-height: 120px;
  }

  .legend-row {
    grid-template-columns: 1fr;
  }
}