/* Margen OS — App design system */

:root {
  --ink-950: #06070a;
  --ink-900: #0a0a0c;
  --ink-850: #0e0f12;
  --ink-800: #141519;
  --ink-700: #1c1d22;
  --ink-600: #26282e;
  --ink-500: #3a3d45;
  --text: #e7e8ea;
  --text-dim: #a7a9af;
  --text-mute: #6b6e76;
  --margin: #00d97e;
  --margin-soft: rgba(0, 217, 126, 0.12);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.12);
  --chili: #ff5a45;
  --chili-soft: rgba(255, 90, 69, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
}
body {
  font-family: var(--font-sans);
  background: var(--ink-950);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv02", "cv11", "ss01";
  overflow: hidden;
}
::selection {
  background: var(--margin);
  color: var(--ink-950);
}

/* Layout */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: 100vh;
}
.app-sidebar {
  background: var(--ink-900);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
}
.app-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.app-topbar {
  height: 56px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  background: var(--ink-900);
}
.app-content {
  flex: 1;
  overflow: auto;
  padding: 24px;
  background: var(--ink-950);
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  margin-bottom: 16px;
}
.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--ink-800);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
}
.brand-logo::after {
  content: "";
  position: absolute;
  right: -3px;
  bottom: -3px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--margin);
  box-shadow: 0 0 10px rgba(0, 217, 126, 0.6);
}
.brand-name {
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}
.brand-suffix {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--margin);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* Sidebar */
.sidebar-section {
  padding: 8px 10px;
}
.sidebar-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-mute);
  margin-bottom: 8px;
}
.location-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--ink-800);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s;
  margin-bottom: 16px;
}
.location-picker:hover {
  border-color: var(--border-strong);
}
.location-picker .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--margin);
  box-shadow: 0 0 6px var(--margin);
}
.location-picker .name {
  font-weight: 500;
  color: #fff;
  flex: 1;
  font-size: 13px;
}
.location-picker .chevron {
  color: var(--text-mute);
}
.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  transition: all 0.12s;
}
.nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}
.nav-item.active {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.nav-item .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.8;
}
.nav-item .badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--margin-soft);
  color: var(--margin);
}
.nav-item.kai {
  color: var(--amber);
}
.nav-item.kai:hover {
  background: var(--amber-soft);
}
.sidebar-footer {
  margin-top: auto;
  padding: 12px 10px;
  border-top: 1px solid var(--border);
}
.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
}
.user-card:hover {
  background: rgba(255, 255, 255, 0.04);
}
.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--margin) 0%, var(--amber) 100%);
  font-weight: 600;
  color: var(--ink-950);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.user-info {
  flex: 1;
  min-width: 0;
}
.user-name {
  font-size: 13px;
  color: #fff;
  font-weight: 500;
}
.user-role {
  font-size: 11px;
  color: var(--text-mute);
}

/* Topbar */
.topbar-title {
  display: flex;
  flex-direction: column;
}
.topbar-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-mute);
}
.topbar-h {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}
.topbar-spacer {
  flex: 1;
}
.topbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--ink-800);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 12px;
  min-width: 280px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
}
.topbar-search:hover {
  border-color: var(--border-strong);
}
.topbar-search .kbd {
  margin-left: auto;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Components */
.kbd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.chip.margin {
  background: var(--margin-soft);
  border-color: rgba(0, 217, 126, 0.3);
  color: var(--margin);
}
.chip.amber {
  background: var(--amber-soft);
  border-color: rgba(251, 191, 36, 0.3);
  color: var(--amber);
}
.chip.chili {
  background: var(--chili-soft);
  border-color: rgba(255, 90, 69, 0.3);
  color: var(--chili);
}
.chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.12s;
  user-select: none;
  text-decoration: none;
}
.btn-primary {
  background: #fff;
  color: var(--ink-900);
}
.btn-primary:hover {
  background: #f5f5f5;
  transform: translateY(-1px);
}
.btn-margin {
  background: var(--margin);
  color: var(--ink-950);
}
.btn-margin:hover {
  background: var(--margin);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px var(--margin);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
}
.btn-icon {
  padding: 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.12s;
}
.btn-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.025) 0%,
    rgba(255, 255, 255, 0.005) 100%
  );
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.card-pad {
  padding: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-mute);
  margin-bottom: 6px;
}

/* Page header */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}
.page-title {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.page-subtitle {
  color: var(--text-dim);
  font-size: 13.5px;
}
.page-actions {
  display: flex;
  gap: 8px;
}

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.kpi {
  padding: 18px;
  background: var(--ink-900);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.kpi-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-mute);
  margin-bottom: 8px;
}
.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.kpi-delta {
  margin-top: 6px;
  font-size: 12px;
  color: var(--margin);
  display: flex;
  align-items: center;
  gap: 4px;
}
.kpi-delta.down {
  color: var(--chili);
}
.kpi-spark {
  position: absolute;
  right: 0;
  bottom: 0;
  opacity: 0.4;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  font-weight: 500;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}
.table tr:last-child td {
  border-bottom: none;
}
.table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Utilities */
.row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.gap-12 {
  gap: 12px;
}
.gap-16 {
  gap: 16px;
}
.gap-24 {
  gap: 24px;
}
.flex-1 {
  flex: 1;
}
.text-mute {
  color: var(--text-mute);
}
.text-dim {
  color: var(--text-dim);
}
.text-margin {
  color: var(--margin);
}
.text-amber {
  color: var(--amber);
}
.text-chili {
  color: var(--chili);
}
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.uppercase-mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
  color: var(--text-mute);
}

/* Kai floating button */
.kai-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--amber) 0%, #f59e0b 100%);
  color: var(--ink-950);
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  z-index: 50;
  box-shadow:
    0 8px 32px -8px rgba(251, 191, 36, 0.6),
    0 0 0 1px rgba(251, 191, 36, 0.4);
  font-size: 13px;
  transition: transform 0.15s;
}
.kai-fab:hover {
  transform: translateY(-2px) scale(1.02);
}
.kai-fab .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-950);
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* Margin badge */
.margin-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.margin-badge.good {
  background: var(--margin-soft);
  color: var(--margin);
}
.margin-badge.mid {
  background: var(--amber-soft);
  color: var(--amber);
}
.margin-badge.bad {
  background: var(--chili-soft);
  color: var(--chili);
}

/* Modal/sheet */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: none;
  align-items: flex-end;
  justify-content: center;
}
.sheet-backdrop.open {
  display: flex;
}
.sheet {
  background: var(--ink-900);
  border: 1px solid var(--border);
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow: auto;
  padding: 24px;
  animation: slide-up 0.25s ease;
}
@keyframes slide-up {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}