.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.75), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-on-dark);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 9px;
  background: radial-gradient(circle at 30% 20%, #38bdf8, #4f46e5 40%, #a855f7 100%);
  font-size: 16px;
}

.logo-text {
  font-size: 15px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 6px 0;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #38bdf8, #4f46e5, #a855f7);
  border-radius: 999px;
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link-active::after {
  width: 100%;
}

.nav-link-active {
  color: var(--color-on-dark);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--color-on-dark);
  border-radius: 999px;
}

.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  align-items: center;
  gap: var(--space-3xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
}

.hero-panel {
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.12), transparent 55%),
    radial-gradient(circle at 100% 0, rgba(168, 85, 247, 0.16), transparent 55%),
    var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  padding: var(--space-md);
  color: var(--color-on-dark);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.panel-dots {
  display: flex;
  gap: 4px;
}

.panel-dots span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.8);
}

.panel-title {
  font-size: var(--text-sm);
}

.panel-badge {
  font-size: var(--text-xs);
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.panel-body {
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.94));
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.panel-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 2px;
  background: rgba(15, 23, 42, 0.85);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-sm);
}

.tab {
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.tab-active {
  background: rgba(31, 41, 55, 0.98);
  color: var(--color-on-dark);
}

.panel-editor {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.editor-line {
  color: #e5e7eb;
}

.editor-line-indent {
  padding-left: 1.4em;
}

.editor-dim {
  color: #9ca3af;
}

.editor-tag {
  display: inline-block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #a5b4fc;
  margin-right: 6px;
}

.editor-token {
  color: #fbbf24;
}

.panel-footer {
  margin-top: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.9);
}

.app-shell {
  padding: 0 0 var(--space-3xl);
}

.app-grid {
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 2fr);
  overflow: hidden;
}

.app-sidebar {
  padding: var(--space-lg) var(--space-md);
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.15), transparent 55%),
    radial-gradient(circle at 0 100%, rgba(59, 130, 246, 0.22), transparent 55%),
    #020617;
  border-right: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--color-on-dark);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  cursor: default;
}

.sidebar-item-active {
  background: rgba(15, 23, 42, 0.95);
}

.sidebar-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
}

.sidebar-dot-green { background: #22c55e; }
.sidebar-dot-blue { background: #38bdf8; }
.sidebar-dot-amber { background: #fbbf24; }

.sidebar-title {
  font-size: var(--text-sm);
  color: #e5e7eb;
}

.sidebar-subtitle {
  font-size: var(--text-xs);
  color: #9ca3af;
}

.app-main {
  padding: var(--space-lg);
  background: radial-gradient(circle at 100% 0, rgba(168, 85, 247, 0.18), transparent 50%),
    #020617;
  color: var(--color-on-dark);
}

.app-main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.app-main-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.app-main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: var(--space-md);
}

.app-editor {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.app-insights {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-alt {
  background: radial-gradient(circle at 0 0, rgba(79, 70, 229, 0.26), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(56, 189, 248, 0.22), transparent 50%),
    #020617;
}

.section-cta {
  border-top: 1px solid rgba(148, 163, 184, 0.24);
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-header-inline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.site-footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(2, 6, 23, 0.96);
  color: var(--color-on-dark);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.footer-nav {
  display: flex;
  gap: var(--space-md);
  font-size: var(--text-sm);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Templates page */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.inline-form {
  min-width: 220px;
}

/* Metrics page */
.metrics-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-lg);
}

.metrics-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.metrics-sidebar {
  align-self: flex-start;
}

.metrics-summary-card {
  margin-bottom: var(--space-md);
}

/* Settings page */
.settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 2fr);
  gap: var(--space-xl);
}

.settings-sidebar {
  align-self: flex-start;
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: var(--space-md);
}

.settings-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.settings-panel {
  display: none;
}

.settings-panel-active {
  display: block;
}

/* Modal layout */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 60;
}

.modal[aria-hidden="false"] {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  background: #020617;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-soft);
  padding: var(--space-lg);
  max-width: 560px;
  width: min(560px, 100% - 32px);
  color: var(--color-on-dark);
}

.modal-dialog-wide {
  max-width: 720px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.modal-body {
  margin-bottom: var(--space-md);
}

.modal-body-scroll {
  max-height: 360px;
  overflow: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-xs);
}

/* Timeline */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  position: relative;
}

.timeline-item::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: -6px;
  width: 1px;
  background: rgba(148, 163, 184, 0.5);
}

.timeline-item:last-child::after {
  display: none;
}

.timeline-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 2px solid rgba(148, 163, 184, 0.8);
  background: #020617;
  margin-top: 2px;
}

.timeline-dot-active {
  background: #4f46e5;
  border-color: #a855f7;
}

.timeline-title {
  font-size: var(--text-sm);
  color: var(--color-on-dark);
}

.timeline-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th,
.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.data-table th {
  text-align: left;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    order: -1;
  }

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

  .app-sidebar {
    border-right: none;
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  }

  .app-main-layout {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .metrics-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .metrics-summary-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .site-nav {
    position: absolute;
    inset: var(--header-height) 0 auto 0;
    padding: var(--space-md);
    background: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-med), opacity var(--transition-med);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-actions {
    width: 100%;
    justify-content: space-between;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-header-inline {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding-inline: var(--space-sm);
  }

  .app-main-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-main-actions {
    width: 100%;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}