:root {
  /* Core */
  --pa-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;

  /* Spacing (4px base) */
  --pa-space-1: 4px;
  --pa-space-2: 8px;
  --pa-space-3: 12px;
  --pa-space-4: 16px;
  --pa-space-5: 20px;
  --pa-space-6: 24px;
  --pa-space-8: 32px;
  --pa-space-10: 40px;
  --pa-space-12: 48px;

  /* Radii */
  --pa-radius-sm: 12px;
  --pa-radius-md: 16px;
  --pa-radius-lg: 24px;
  --pa-radius-xl: 28px;

  /* Color roles */
  --pa-text-primary: rgb(15 23 42);
  --pa-text-secondary: rgb(71 85 105);
  --pa-text-muted: rgb(100 116 139);
  --pa-text-inverse: rgb(248 250 252);

  --pa-surface-base: rgb(248 250 252);
  --pa-surface-raised: rgba(255, 255, 255, 0.92);
  --pa-surface-sunken: rgba(241, 245, 249, 0.72);
  --pa-surface-overlay: rgba(255, 255, 255, 0.86);

  --pa-border-subtle: rgba(15, 23, 42, 0.08);
  --pa-border-strong: rgba(15, 23, 42, 0.14);
  --pa-divider: rgba(15, 23, 42, 0.06);

  /* Accent */
  --pa-accent: #4f46e5;
  --pa-accent-hover: #4338ca;
  --pa-accent-ring: rgba(79, 70, 229, 0.55);
  --pa-accent-soft: rgba(79, 70, 229, 0.10);
  --pa-accent-soft2: rgba(14, 165, 233, 0.08);
  --pa-edge-glow: rgba(79, 70, 229, 0.18);
  --pa-mobile-nav-height: 0px;

  /* Elevation */
  --pa-shadow-0: none;
  --pa-shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06), 0 0 0 1px rgba(15, 23, 42, 0.04);
  --pa-shadow-2: 0 14px 34px rgba(15, 23, 42, 0.10), 0 0 0 1px rgba(15, 23, 42, 0.06);
  --pa-shadow-3: 0 22px 54px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(15, 23, 42, 0.08);
  --pa-shadow-4: 0 34px 80px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(15, 23, 42, 0.10);

  /* Motion */
  --pa-dur-fast: 120ms;
  --pa-dur-med: 180ms;
  --pa-dur-slow: 280ms;
  --pa-ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --pa-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --pa-ease-spring: cubic-bezier(0.2, 0.9, 0.2, 1);

  /* Legacy alias */
  --ring: var(--pa-border-subtle);
  accent-color: var(--pa-accent);
}

html,
body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
}

html {
  scroll-padding-top: calc(5rem + var(--pa-safe-top));
  scroll-padding-bottom: calc(1rem + var(--pa-safe-bottom) + var(--pa-mobile-nav-height));
}

@supports (overflow-x: clip) {
  html,
  body {
    overflow-x: clip;
  }
}

.pa-break-anywhere,
a,
code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

pre code {
  overflow-wrap: normal;
  word-break: normal;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

iframe,
img,
video,
canvas,
svg {
  max-width: 100%;
}

.pa-card {
  border: 1px solid var(--pa-border-subtle);
  background-color: var(--pa-surface-raised);
  border-radius: var(--pa-radius-lg);
  box-shadow: var(--pa-shadow-1);
}

.pa-card-hover {
  transition:
    transform var(--pa-dur-med) var(--pa-ease-spring),
    box-shadow var(--pa-dur-med) var(--pa-ease-out),
    border-color var(--pa-dur-fast) var(--pa-ease-out),
    background-color var(--pa-dur-fast) var(--pa-ease-out);
}

.pa-card-hover:hover {
  transform: translateY(-1px);
  box-shadow: var(--pa-shadow-2);
}

.pa-dash-hero {
  background:
    radial-gradient(900px circle at 18% -10%, rgba(79, 70, 229, 0.18), transparent 55%),
    radial-gradient(800px circle at 86% 10%, rgba(14, 165, 233, 0.14), transparent 52%),
    radial-gradient(700px circle at 60% 120%, rgba(16, 185, 129, 0.10), transparent 54%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.92));
}

.pa-gradient-border {
  position: relative;
}

.pa-gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.55), rgba(14, 165, 233, 0.40), rgba(16, 185, 129, 0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.55;
}

@media (prefers-reduced-motion: reduce) {
  .pa-card-hover {
    transition: none;
  }
  .pa-card-hover:hover {
    transform: none;
  }
}

/* Components (presentation-only) */
.pa-elev-0 {
  box-shadow: var(--pa-shadow-0);
}
.pa-elev-1 {
  box-shadow: var(--pa-shadow-1);
}
.pa-elev-2 {
  box-shadow: var(--pa-shadow-2);
}
.pa-elev-3 {
  box-shadow: var(--pa-shadow-3);
}
.pa-elev-4 {
  box-shadow: var(--pa-shadow-4);
}

.pa-surface {
  border: 1px solid var(--pa-border-subtle);
  background: var(--pa-surface-raised);
  border-radius: var(--pa-radius-md);
}
.pa-surface-sunken {
  background: var(--pa-surface-sunken);
}

.pa-row {
  border: 1px solid var(--pa-border-subtle);
  background: var(--pa-surface-raised);
  border-radius: var(--pa-radius-md);
  box-shadow: var(--pa-shadow-1);
  transition:
    transform var(--pa-dur-med) var(--pa-ease-spring),
    box-shadow var(--pa-dur-med) var(--pa-ease-out),
    border-color var(--pa-dur-fast) var(--pa-ease-out),
    background-color var(--pa-dur-fast) var(--pa-ease-out);
}
.pa-row:hover {
  border-color: var(--pa-border-strong);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--pa-shadow-2);
}
.pa-row-selected {
  border-color: var(--pa-border-strong);
  box-shadow: var(--pa-shadow-2), 0 0 0 3px var(--pa-accent-ring);
  transform: translateY(-1px);
}
.pa-row-selected-inset {
  background: rgba(241, 245, 249, 0.70);
  box-shadow: inset 0 0 0 1px var(--pa-border-strong), inset 0 0 0 3px var(--pa-accent-ring);
}

.pa-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: rgba(241, 245, 249, 0.75);
  color: var(--pa-text-secondary);
}
.pa-chip-inverse {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.10);
  color: rgba(255, 255, 255, 0.92);
}

.pa-topbar {
  border-bottom: 1px solid var(--pa-divider);
  background:
    radial-gradient(1200px circle at 18% -20%, rgba(79, 70, 229, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.72));
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
}

.pa-nav-item {
  position: relative;
  border: 1px solid transparent;
  transition:
    background-color var(--pa-dur-fast) var(--pa-ease-out),
    border-color var(--pa-dur-fast) var(--pa-ease-out),
    box-shadow var(--pa-dur-med) var(--pa-ease-out);
}
.pa-nav-item:hover {
  background: rgba(15, 23, 42, 0.03);
  border-color: rgba(15, 23, 42, 0.06);
}
.pa-nav-item-active {
  background: var(--pa-accent-soft);
  border-color: rgba(79, 70, 229, 0.20);
  box-shadow: 0 12px 34px rgba(79, 70, 229, 0.10);
  color: var(--pa-text-primary);
}
.pa-nav-item-active::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
  opacity: 0.7;
}
.pa-nav-badge {
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(15, 23, 42, 0.06);
}
.pa-nav-item-active .pa-nav-badge {
  border-color: rgba(79, 70, 229, 0.20);
  background: rgba(79, 70, 229, 0.14);
}

.pa-modal-scrim {
  background:
    radial-gradient(900px circle at 18% -10%, rgba(79, 70, 229, 0.16), transparent 55%),
    radial-gradient(800px circle at 86% 0%, rgba(14, 165, 233, 0.10), transparent 52%),
    rgba(15, 23, 42, 0.34);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  backdrop-filter: blur(10px) saturate(1.15);
}

/* Standard overlay pattern (mobile/tablet safe) */
.pa-overlay-root {
  position: fixed;
  inset: 0;
  z-index: var(--pa-overlay-z, 50);
  pointer-events: none;
}
.pa-overlay-scrim {
  position: absolute;
  inset: 0;
  pointer-events: auto;
}
.pa-overlay-panel {
  pointer-events: auto;
  position: relative;
  max-height: calc(100vh - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
  max-height: calc(100svh - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
  max-height: calc(100dvh - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
  max-height: calc((var(--pa-vh, 1vh) * 100) - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
}
.pa-overlay-scroll {
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
}
.pa-overlay-close {
  position: absolute;
  top: calc(0.75rem + var(--pa-safe-top));
  right: calc(0.75rem + var(--pa-safe-right));
  z-index: 2;
}
.pa-overlay-close-btn {
  display: inline-flex;
  height: 2.5rem;
  width: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(15, 23, 42, 0.45);
  color: white;
}
.pa-overlay-close-btn:hover {
  background: rgba(15, 23, 42, 0.60);
}
.pa-overlay-close-btn:focus-visible {
  outline: 2px solid var(--pa-accent-ring);
  outline-offset: 2px;
}
.pa-modal-panel {
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: var(--pa-surface-overlay);
  border-radius: var(--pa-radius-xl);
  box-shadow: var(--pa-shadow-4);
}
.pa-modal-sheet {
  border-radius: var(--pa-radius-xl) var(--pa-radius-xl) 0 0;
}
@media (min-width: 640px) {
  .pa-modal-sheet {
    border-radius: var(--pa-radius-xl);
  }
}

.pa-modal-drawer {
  border-radius: var(--pa-radius-xl) 0 0 var(--pa-radius-xl);
}
@media (max-width: 639px) {
  .pa-modal-drawer {
    border-radius: var(--pa-radius-xl);
  }
}

.pa-popover {
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--pa-radius-lg);
  box-shadow: var(--pa-shadow-3);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  backdrop-filter: blur(10px) saturate(1.15);
}

.pa-toast {
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(15, 23, 42, 0.92);
  box-shadow: var(--pa-shadow-3);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  backdrop-filter: blur(10px) saturate(1.15);
}
.pa-toast-error {
  background: rgba(225, 29, 72, 0.92);
}

.pa-preview {
  transition:
    opacity var(--pa-dur-med) var(--pa-ease-out),
    transform var(--pa-dur-med) var(--pa-ease-out);
}
.pa-preview-switching {
  opacity: 0.55;
  transform: translateY(2px);
}

.pa-edge-glow-pulse {
  position: relative;
  isolation: isolate;
}
.pa-edge-glow-pulse::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.22), rgba(14, 165, 233, 0.16), rgba(16, 185, 129, 0.12));
  filter: blur(10px);
  animation: paEdgeGlow 220ms var(--pa-ease-out) 1;
  z-index: -1;
}

@keyframes paEdgeGlow {
  0% {
    opacity: 0;
  }
  35% {
    opacity: 0.65;
  }
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pa-row,
  .pa-preview {
    transition: opacity var(--pa-dur-fast) linear;
  }
  .pa-row:hover,
  .pa-row-selected {
    transform: none;
  }
  .pa-preview-switching {
    transform: none;
  }
  .pa-modal-scrim {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(15, 23, 42, 0.34);
  }
  .pa-popover,
  .pa-toast {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .pa-edge-glow-pulse::after {
    filter: none;
  }
}

.pa-accent {
  background:
    radial-gradient(1000px circle at 12% -12%, var(--pa-accent-soft), transparent 55%),
    radial-gradient(900px circle at 92% -8%, var(--pa-accent-soft2), transparent 55%),
    var(--pa-surface-base);
}

.pa-accent ::selection {
  background: rgba(79, 70, 229, 0.22);
}

.pa-accent .bg-slate-900:not(:disabled) {
  background-color: var(--pa-accent);
}

.pa-accent .bg-slate-900:not(:disabled):hover {
  background-color: var(--pa-accent-hover);
}

.pa-accent .border-slate-900:not(:disabled) {
  border-color: var(--pa-accent);
}

.pa-accent .ring-slate-900 {
  --tw-ring-color: rgba(79, 70, 229, 0.45);
}

html.pa-no-scroll,
body.pa-no-scroll {
  overflow: hidden !important;
}

html.pa-doc-no-scroll,
body.pa-doc-no-scroll {
  overflow: hidden !important;
}

.pa-modal-fit {
  max-height: calc(100vh - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
  max-height: calc(100svh - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
  max-height: calc(100dvh - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
  max-height: calc((var(--pa-vh, 1vh) * 100) - 2rem - var(--pa-safe-top) - var(--pa-safe-bottom));
}

.pa-has-mobile-nav {
  --pa-mobile-nav-height: 64px;
}
@media (min-width: 1024px) {
  .pa-has-mobile-nav {
    --pa-mobile-nav-height: 0px;
  }
}

/* Override Tailwind max-width utilities (used for collapsed sidebar wide mode). */
.pa-container-wide {
  max-width: none !important;
}

.pa-main {
  padding-bottom: calc(1.5rem + var(--pa-safe-bottom) + var(--pa-mobile-nav-height));
}
@media (min-width: 1024px) {
  .pa-main {
    padding-bottom: 1.5rem;
  }
}

/* Momentum scrolling on iOS */
.overflow-x-auto,
.overflow-y-auto {
  -webkit-overflow-scrolling: touch;
}

/* Horizontal scroll helper for tab bars */
.pa-hscroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
.pa-hscroll > * {
  flex: 0 0 auto;
}
.pa-hscroll a,
.pa-hscroll button {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
}

/* Signature pad */
.pa-signature-canvas {
  width: 100%;
  height: 140px;
  border: 1px dashed var(--pa-border-strong);
  border-radius: var(--pa-radius-md);
  background: #fff;
  touch-action: none;
}

/* Mobile-first action rows (scroll on small, wrap on larger screens) */
.pa-scroll-row {
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}
.pa-scroll-row::-webkit-scrollbar {
  display: none;
}
.pa-scroll-row > * {
  flex: 0 0 auto;
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
}
@media (min-width: 640px) {
  .pa-scroll-row {
    flex-wrap: wrap;
    overflow-x: visible;
    scroll-snap-type: none;
  }
}

.pa-mobile-nav {
  position: fixed;
  inset-x: 0;
  bottom: 0;
  z-index: 40;
  padding: 0.35rem 0.75rem calc(0.4rem + var(--pa-safe-bottom));
  border-top: 1px solid var(--pa-divider);
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
}
.pa-mobile-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.4rem;
}
.pa-mobile-nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-height: 3.2rem;
  padding: 0.4rem 0.25rem;
  border-radius: 0.9rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--pa-text-muted);
}
.pa-mobile-nav-item svg {
  width: 20px;
  height: 20px;
}
.pa-mobile-nav-item-active {
  color: var(--pa-text-primary);
  background: rgba(15, 23, 42, 0.06);
  box-shadow: inset 0 0 0 1px var(--pa-border-subtle);
}
.pa-mobile-nav-badge {
  position: absolute;
  top: 0.35rem;
  right: 0.7rem;
  height: 0.5rem;
  width: 0.5rem;
  border-radius: 999px;
  background: var(--pa-accent);
  box-shadow: 0 0 0 2px #fff;
}

/* Floating action button safe-area padding */
.pa-fab {
  bottom: calc(1.5rem + var(--pa-safe-bottom) + var(--pa-mobile-nav-height));
  right: calc(1.5rem + env(safe-area-inset-right));
}

@media (hover: none) {
  :where(a, button, [role="button"]) {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  :where(a, button, [role="button"]):active {
    transform: scale(0.98);
    filter: brightness(0.97);
  }
}

@media (max-width: 1024px) {
  .min-h-screen {
    min-height: calc(var(--pa-vh, 1vh) * 100) !important;
  }
  .h-\[calc\(100vh-12rem\)\] {
    height: calc((var(--pa-vh, 1vh) * 100) - 12rem - var(--pa-mobile-nav-height)) !important;
  }
  .h-\[calc\(100vh-16rem\)\] {
    height: calc((var(--pa-vh, 1vh) * 100) - 16rem - var(--pa-mobile-nav-height)) !important;
  }
  .h-\[calc\(100vh-4\.25rem\)\] {
    height: calc((var(--pa-vh, 1vh) * 100) - 4.25rem - var(--pa-mobile-nav-height)) !important;
  }
  .max-h-\[calc\(100vh-7rem\)\] {
    max-height: calc((var(--pa-vh, 1vh) * 100) - 7rem - var(--pa-mobile-nav-height)) !important;
  }
  .max-h-\[calc\(100vh-14rem\)\] {
    max-height: calc((var(--pa-vh, 1vh) * 100) - 14rem - var(--pa-mobile-nav-height)) !important;
  }
  .max-h-\[calc\(100vh-2rem\)\] {
    max-height: calc((var(--pa-vh, 1vh) * 100) - 2rem - var(--pa-mobile-nav-height)) !important;
  }
  .h-\[50vh\] {
    height: calc(var(--pa-vh, 1vh) * 50) !important;
  }
  .h-\[60vh\] {
    height: calc(var(--pa-vh, 1vh) * 60) !important;
  }
  .h-\[70vh\] {
    height: calc(var(--pa-vh, 1vh) * 70) !important;
  }
  .h-\[75vh\] {
    height: calc(var(--pa-vh, 1vh) * 75) !important;
  }
  .max-h-\[44vh\] {
    max-height: calc(var(--pa-vh, 1vh) * 44) !important;
  }
  .max-h-\[60vh\] {
    max-height: calc(var(--pa-vh, 1vh) * 60) !important;
  }
  .max-h-\[70vh\] {
    max-height: calc(var(--pa-vh, 1vh) * 70) !important;
  }
  .max-h-\[85vh\] {
    max-height: calc(var(--pa-vh, 1vh) * 85) !important;
  }
  .max-h-\[90vh\] {
    max-height: calc(var(--pa-vh, 1vh) * 90) !important;
  }
}

/* Prevent iOS Safari input zoom on focus */
@media (max-width: 640px) and (pointer: coarse) {
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="search"],
  input[type="tel"],
  input[type="url"],
  input[type="datetime-local"],
  select,
  textarea {
    font-size: 16px;
  }
}

/* Line-clamp fallback (Tailwind plugin may not be enabled in CDN builds) */
.line-clamp-1,
.line-clamp-2,
.line-clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-1 {
  -webkit-line-clamp: 1;
}
.line-clamp-2 {
  -webkit-line-clamp: 2;
}
.line-clamp-3 {
  -webkit-line-clamp: 3;
}

/* Improve focus visibility in light theme */
*:focus-visible {
  outline: 2px solid var(--pa-accent-ring);
  outline-offset: 2px;
}

/* HTMX loading indicators */
.htmx-indicator {
  display: none;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline-flex;
}

/* Calendar */
.pa-calendar-grid > button {
  min-height: 4.75rem;
}
@media (min-width: 640px) {
  .pa-calendar-grid > button {
    min-height: 6.75rem;
  }
}
@media (min-width: 1024px) {
  .pa-calendar-grid > button {
    min-height: 10rem;
  }
}

@media (hover: none), (pointer: coarse) {
  .pa-show-on-touch {
    opacity: 1 !important;
  }
}