/*! The Playbook Design System v1.0.0 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ================================================================
   FOUNDATIONS — CSS Custom Properties from tokens.json
   ================================================================ */

:root {
  /* Hard UX guardrail: three core brand hues only (blue/indigo/purple). */
  --pb-hue-primary: 217;
  --pb-hue-secondary: 239;
  --pb-hue-accent: 258;
  /* ── Color: Primary (Blue) ──────────────────────── */
  --pb-primary-50:  #eff6ff;
  --pb-primary-100: #dbeafe;
  --pb-primary-200: #bfdbfe;
  --pb-primary-300: #93c5fd;
  --pb-primary-400: #60a5fa;
  --pb-primary-500: #3b82f6;
  --pb-primary-600: #2563eb;
  --pb-primary-700: #1d4ed8;
  --pb-primary-800: #1e40af;
  --pb-primary-900: #1e3a8a;
  --pb-primary-950: #172554;

  /* ── Color: Secondary (Indigo) ──────────────────── */
  --pb-secondary-50:  #eef2ff;
  --pb-secondary-100: #e0e7ff;
  --pb-secondary-200: #c7d2fe;
  --pb-secondary-300: #a5b4fc;
  --pb-secondary-400: #818cf8;
  --pb-secondary-500: #6366f1;
  --pb-secondary-600: #4f46e5;
  --pb-secondary-700: #4338ca;
  --pb-secondary-800: #3730a3;
  --pb-secondary-900: #312e81;

  /* ── Color: Accent (Purple) ─────────────────────── */
  --pb-accent-50:  #f5f3ff;
  --pb-accent-100: #ede9fe;
  --pb-accent-200: #ddd6fe;
  --pb-accent-300: #c4b5fd;
  --pb-accent-400: #a78bfa;
  --pb-accent-500: #8b5cf6;
  --pb-accent-600: #7c3aed;
  --pb-accent-700: #6d28d9;
  --pb-accent-800: #5b21b6;
  --pb-accent-900: #4c1d95;

  /* ── Color: Neutral (Slate) ─────────────────────── */
  --pb-neutral-0:   #ffffff;
  --pb-neutral-25:  #fcfcfd;
  --pb-neutral-50:  #f8fafc;
  --pb-neutral-100: #f1f5f9;
  --pb-neutral-200: #e2e8f0;
  --pb-neutral-300: #cbd5e1;
  --pb-neutral-400: #94a3b8;
  --pb-neutral-500: #64748b;
  --pb-neutral-600: #475569;
  --pb-neutral-700: #334155;
  --pb-neutral-800: #1e293b;
  --pb-neutral-900: #0f172a;
  --pb-neutral-950: #020617;

  /* ── Color: Semantic ────────────────────────────── */
  --pb-success-50:  #f0fdf4;
  --pb-success-100: #dcfce7;
  --pb-success-500: #22c55e;
  --pb-success-600: #16a34a;
  --pb-success-700: #166534;
  --pb-error-50:    #fef2f2;
  --pb-error-100:   #fee2e2;
  --pb-error-400:   #f87171;
  --pb-error-500:   #ef4444;
  --pb-error-600:   #dc2626;
  --pb-error-700:   #991b1b;
  --pb-warning-50:  #fffbeb;
  --pb-warning-100: #fef3c7;
  --pb-warning-500: #eab308;
  --pb-warning-600: #ca8a04;
  --pb-warning-700: #854d0e;
  --pb-info-50:     #eff6ff;
  --pb-info-100:    #dbeafe;
  --pb-info-500:    #3b82f6;
  --pb-info-600:    #2563eb;

  /* ── Semantic Surface / Text / Border (Light) ───── */
  --pb-bg:             var(--pb-neutral-50);
  --pb-bg-secondary:   var(--pb-neutral-100);
  --pb-bg-tertiary:    var(--pb-neutral-200);
  --pb-surface:        rgba(255, 255, 255, 0.88);
  --pb-surface-secondary: rgba(255, 255, 255, 0.75);
  --pb-surface-glass:  rgba(249, 250, 251, 0.75);
  --pb-surface-elevated: rgba(255, 255, 255, 0.92);
  --pb-surface-solid:  #ffffff;
  --pb-text:           var(--pb-neutral-900);
  --pb-text-secondary: var(--pb-neutral-600);
  --pb-text-tertiary:  var(--pb-neutral-500);
  --pb-text-muted:     var(--pb-neutral-400);
  --pb-text-inverse:   #ffffff;
  --pb-text-link:      var(--pb-primary-600);
  --pb-text-link-hover:var(--pb-primary-700);
  --pb-border:         var(--pb-neutral-200);
  --pb-border-secondary: rgba(148, 163, 184, 0.28);
  --pb-border-focus:   var(--pb-primary-600);
  --pb-border-error:   var(--pb-error-600);
  --pb-icon:           var(--pb-neutral-700);
  --pb-icon-secondary: var(--pb-neutral-500);
  --pb-icon-tertiary:  var(--pb-neutral-400);
  --pb-overlay:        rgba(0, 0, 0, 0.4);

  /* ── Shadows (Light) ────────────────────────────── */
  --pb-shadow-xs:    0 1px 2px rgba(15,23,42,0.05);
  --pb-shadow-sm:    0 1px 3px rgba(15,23,42,0.08);
  --pb-shadow-md:    0 4px 12px rgba(15,23,42,0.08);
  --pb-shadow-lg:    0 10px 28px rgba(15,23,42,0.08);
  --pb-shadow-xl:    0 14px 30px rgba(15,23,42,0.07);
  --pb-shadow-2xl:   0 20px 42px rgba(15,23,42,0.1);
  --pb-shadow-3xl:   0 30px 80px rgba(0,0,0,0.35);
  --pb-shadow-glass: 0 10px 30px rgba(15,23,42,0.08);
  --pb-shadow-card:  0 14px 30px rgba(15,23,42,0.07);
  --pb-shadow-active:0 6px 14px rgba(37,99,235,0.3);
  --pb-liquid-ring: conic-gradient(from 0deg, #1e3a8a 0%, #3b82f6 14%, #4f46e5 28%, #7c3aed 38%, #a855f7 46%, #6d28d9 54%, #4338ca 64%, #2563eb 76%, #4f46e5 88%, #7c3aed 100%);
  --pb-liquid-glow: rgba(37, 99, 235, 0.32);
  --pb-liquid-glow-secondary: rgba(79, 70, 229, 0.28);
  --pb-liquid-noise: rgba(255, 255, 255, 0.025);
  --pb-liquid-border-idle: rgba(148, 163, 184, 0.12);
  --pb-liquid-border-hover: rgba(96, 165, 250, 0.45);
  --pb-liquid-border-active: rgba(79, 70, 229, 0.56);
  --pb-liquid-focus-ring: rgba(59, 130, 246, 0.3);
  --pb-liquid-hover-duration: 180ms;
  --pb-liquid-focus-duration: 180ms;
  --pb-liquid-active-duration: 120ms;
  --pb-liquid-hover-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --pb-ease-overshoot: cubic-bezier(0.34, 1.2, 0.64, 1);

  /* ── Typography ─────────────────────────────────── */
  --pb-font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --pb-font-display: 'Space Grotesk', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --pb-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;

  --pb-text-display-lg: 700 3rem/1.1 var(--pb-font-display);
  --pb-text-display:    700 2.25rem/1.15 var(--pb-font-display);
  --pb-text-h1:         800 1.875rem/1.2 var(--pb-font-sans);
  --pb-text-h2:         700 1.5rem/1.25 var(--pb-font-sans);
  --pb-text-h3:         700 1.25rem/1.3 var(--pb-font-sans);
  --pb-text-h4:         600 1.125rem/1.4 var(--pb-font-sans);
  --pb-text-body-lg:    400 1rem/1.6 var(--pb-font-sans);
  --pb-text-body:       400 0.875rem/1.5 var(--pb-font-sans);
  --pb-text-caption:    500 0.75rem/1.4 var(--pb-font-sans);

  --pb-ls-display: -0.025em;
  --pb-ls-h1:      -0.02em;
  --pb-ls-h2:      -0.015em;
  --pb-ls-h3:      -0.01em;
  --pb-ls-h4:      -0.005em;
  --pb-ls-body:     0;
  --pb-ls-caption:  0.01em;
  --pb-ls-label:    0.14em;

  /* ── Spacing (8px base) ─────────────────────────── */
  --pb-space-0:    0px;
  --pb-space-0-5:  4px;
  --pb-space-1:    8px;
  --pb-space-1-5:  12px;
  --pb-space-2:    16px;
  --pb-space-2-5:  20px;
  --pb-space-3:    24px;
  --pb-space-4:    32px;
  --pb-space-5:    40px;
  --pb-space-6:    48px;
  --pb-space-8:    64px;
  --pb-space-10:   80px;
  --pb-space-12:   96px;
  --pb-space-16:   128px;

  /* ── Border Radius ──────────────────────────────── */
  --pb-radius-none: 0px;
  --pb-radius-sm:   6px;
  --pb-radius-md:   8px;
  --pb-radius-lg:   12px;
  --pb-radius-xl:   14px;
  --pb-radius-2xl:  16px;
  --pb-radius-3xl:  20px;
  --pb-radius-4xl:  24px;
  --pb-radius-full: 9999px;

  /* ── Motion ─────────────────────────────────────── */
  --pb-duration-instant:  50ms;
  --pb-duration-fast:     100ms;
  --pb-duration-normal:   150ms;
  --pb-duration-moderate: 200ms;
  --pb-duration-slow:     300ms;
  --pb-duration-slower:   500ms;
  --pb-ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --pb-ease-in:      cubic-bezier(0.4, 0, 1, 1);
  --pb-ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --pb-ease-spring:  cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* ── Z-Index ────────────────────────────────────── */
  --pb-z-base:     0;
  --pb-z-raised:   1;
  --pb-z-dropdown: 10;
  --pb-z-sticky:   40;
  --pb-z-overlay:  45;
  --pb-z-modal:    50;
  --pb-z-toast:    60;
  --pb-z-tooltip:  70;

  /* ── Grid ───────────────────────────────────────── */
  --pb-grid-columns: 12;
  --pb-grid-gutter:  16px;
  --pb-grid-margin:  16px;
}

/* ── Dark Mode Overrides ──────────────────────────── */
.dark {
  --pb-bg:              var(--pb-neutral-900);
  --pb-bg-secondary:    var(--pb-neutral-800);
  --pb-bg-tertiary:     #374151;
  --pb-surface:         rgba(31, 41, 55, 0.92);
  --pb-surface-secondary: rgba(31, 41, 55, 0.7);
  --pb-surface-glass:   rgba(15, 23, 42, 0.62);
  --pb-surface-elevated: rgba(55, 65, 81, 0.9);
  --pb-surface-solid:   #1e293b;
  --pb-text:            var(--pb-neutral-50);
  --pb-text-secondary:  var(--pb-neutral-300);
  --pb-text-tertiary:   var(--pb-neutral-400);
  --pb-text-muted:      var(--pb-neutral-500);
  --pb-text-inverse:    var(--pb-neutral-900);
  --pb-text-link:       var(--pb-primary-400);
  --pb-text-link-hover: var(--pb-primary-300);
  --pb-border:          var(--pb-neutral-700);
  --pb-border-secondary: rgba(71, 85, 105, 0.5);
  --pb-border-focus:    var(--pb-primary-500);
  --pb-border-error:    var(--pb-error-400);
  --pb-icon:            var(--pb-neutral-200);
  --pb-icon-secondary:  var(--pb-neutral-400);
  --pb-icon-tertiary:   var(--pb-neutral-500);
  --pb-overlay:         rgba(0, 0, 0, 0.6);

  --pb-shadow-xs:    0 1px 2px rgba(0,0,0,0.15);
  --pb-shadow-sm:    0 1px 3px rgba(0,0,0,0.2);
  --pb-shadow-md:    0 4px 12px rgba(0,0,0,0.28);
  --pb-shadow-lg:    0 10px 28px rgba(0,0,0,0.35);
  --pb-shadow-xl:    0 14px 30px rgba(0,0,0,0.3);
  --pb-shadow-2xl:   0 20px 42px rgba(0,0,0,0.45);
  --pb-shadow-3xl:   0 30px 80px rgba(0,0,0,0.5);
  --pb-shadow-glass: 0 10px 30px rgba(0,0,0,0.3);
  --pb-shadow-card:  0 14px 30px rgba(0,0,0,0.3);
  --pb-liquid-glow: rgba(96, 165, 250, 0.34);
  --pb-liquid-glow-secondary: rgba(129, 140, 248, 0.3);
  --pb-liquid-noise: rgba(148, 163, 184, 0.035);
  --pb-liquid-border-idle: rgba(100, 116, 139, 0.24);
  --pb-liquid-border-hover: rgba(129, 140, 248, 0.52);
  --pb-liquid-border-active: rgba(165, 180, 252, 0.62);
  --pb-liquid-focus-ring: rgba(99, 102, 241, 0.34);
}

/* ── Responsive Grid Tokens ───────────────────────── */
@media (min-width: 768px) {
  :root {
    --pb-grid-gutter: 24px;
    --pb-grid-margin: 24px;
  }
}
@media (min-width: 1024px) {
  :root {
    --pb-grid-gutter: 24px;
    --pb-grid-margin: 32px;
  }
}
@media (min-width: 1280px) {
  :root {
    --pb-grid-gutter: 32px;
    --pb-grid-margin: 32px;
  }
}

/* ================================================================
   RESET & BASE
   ================================================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
*::-webkit-scrollbar {
  width: 0;
  height: 0;
  background: transparent;
}

/* Retain keyboard-accessible scrolling while visually hiding rails. */
.pb-scroll-hidden {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.pb-scroll-hidden::-webkit-scrollbar {
  width: 0;
  height: 0;
}

/* Enforce 44px touch targets for all primary controls. */
button,
[role="button"],
a.pb-btn,
input,
select,
textarea,
.pb-input,
.pb-select,
.pb-textarea,
.pb-icon-btn {
  min-height: 44px;
}

body {
  font: var(--pb-text-body);
  font-family: var(--pb-font-sans);
  color: var(--pb-text);
  background: var(--pb-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Touch & Interaction Defaults ─────────────────── */
button, a, input, select, textarea {
  transition: background-color var(--pb-duration-normal) var(--pb-ease-default),
              border-color var(--pb-duration-normal) var(--pb-ease-default),
              color var(--pb-duration-normal) var(--pb-ease-default),
              transform var(--pb-duration-fast) var(--pb-ease-default),
              box-shadow var(--pb-duration-normal) var(--pb-ease-default);
}

.pb-touch {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* ── Reduced Motion ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Focus Ring ───────────────────────────────────── */
.pb-focus-ring:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
}

/* ── Optical alignment utilities ──────────────────── */
.pb-optical-row {
  display: flex;
  align-items: center;
  gap: var(--pb-space-1);
}
.pb-optical-row > svg,
.pb-optical-row > img {
  transform: translateY(-0.5px);
}
.pb-optical-text {
  letter-spacing: -0.005em;
}


/* ================================================================
   TYPOGRAPHY SYSTEM — 9-Level Scale
   ================================================================ */

.pb-display-lg {
  font: var(--pb-text-display-lg);
  letter-spacing: var(--pb-ls-display);
  color: var(--pb-text);
}
.pb-display {
  font: var(--pb-text-display);
  letter-spacing: var(--pb-ls-display);
  color: var(--pb-text);
}
.pb-h1 {
  font: var(--pb-text-h1);
  letter-spacing: var(--pb-ls-h1);
  color: var(--pb-text);
}
.pb-h2 {
  font: var(--pb-text-h2);
  letter-spacing: var(--pb-ls-h2);
  color: var(--pb-text);
}
.pb-h3 {
  font: var(--pb-text-h3);
  letter-spacing: var(--pb-ls-h3);
  color: var(--pb-text);
}
.pb-h4 {
  font: var(--pb-text-h4);
  letter-spacing: var(--pb-ls-h4);
  color: var(--pb-text);
}
.pb-body-lg {
  font: var(--pb-text-body-lg);
  letter-spacing: var(--pb-ls-body);
  color: var(--pb-text-secondary);
}
.pb-body {
  font: var(--pb-text-body);
  letter-spacing: var(--pb-ls-body);
  color: var(--pb-text-secondary);
}
.pb-caption {
  font: var(--pb-text-caption);
  letter-spacing: var(--pb-ls-caption);
  color: var(--pb-text-tertiary);
}
.pb-label {
  font-size: 0.625rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: var(--pb-ls-label);
  text-transform: uppercase;
  color: var(--pb-text-tertiary);
}
.pb-brand-gradient {
  background: linear-gradient(135deg, var(--pb-primary-600), var(--pb-secondary-600), var(--pb-accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dark .pb-brand-gradient {
  background: linear-gradient(135deg, var(--pb-primary-400), var(--pb-primary-500), var(--pb-secondary-400));
  -webkit-background-clip: text;
  background-clip: text;
}
.pb-wordmark-liquid {
  font-weight: 800;
  letter-spacing: -0.015em;
  background: linear-gradient(90deg, #1e3a8a, #3b82f6, #4f46e5, #7c3aed, #a855f7, #6d28d9, #4338ca, #2563eb, #1e3a8a);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 1px 0 rgba(99, 102, 241, 0.35));
  animation: pb-wordmark-liquid-shift 14s linear infinite;
}
.dark .pb-wordmark-liquid {
  background: linear-gradient(90deg, #1e40af, #60a5fa, #6366f1, #a78bfa, #c084fc, #7c3aed, #6366f1, #3b82f6, #1e40af);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 1px 0 rgba(15, 23, 42, 0.4));
}
.pb-logo-liquid {
  position: relative;
  border-radius: 12px;
  border: 3px solid transparent;
  box-shadow:
    0 8px 20px rgba(37, 99, 235, 0.25),
    0 0 14px rgba(79, 70, 229, 0.15);
  filter: saturate(1.12) contrast(1.04);
  overflow: hidden;
  isolation: isolate;
}
.pb-logo-liquid::before {
  content: "";
  position: absolute;
  inset: -45%;
  z-index: -2;
  background: conic-gradient(from 0deg, #1e3a8a, #3b82f6, #4f46e5, #7c3aed, #a855f7, #6d28d9, #4338ca, #2563eb, #4f46e5, #1e3a8a);
  will-change: transform;
  animation: pb-logo-ring-spin 14s linear infinite;
}
.pb-logo-liquid::after {
  content: "";
  position: absolute;
  inset: 3px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(155deg, rgba(147,197,253,0.36) 0%, rgba(165,180,252,0.26) 38%, transparent 66%);
  pointer-events: none;
}
.dark .pb-logo-liquid {
  box-shadow:
    0 10px 24px rgba(2, 6, 23, 0.5),
    0 0 16px rgba(99, 102, 241, 0.2);
}
.dark .pb-logo-liquid::after {
  background: linear-gradient(155deg, rgba(191,219,254,0.22) 0%, rgba(99,102,241,0.15) 38%, transparent 66%);
}
@keyframes pb-logo-ring-spin {
  to { transform: rotate(360deg); }
}

/* Initials circle — same liquid treatment as logo */
.pb-initials-liquid {
  position: relative;
  border: 3px solid transparent;
  box-shadow:
    0 6px 16px rgba(37, 99, 235, 0.22),
    0 0 10px rgba(79, 70, 229, 0.12);
  overflow: hidden;
  isolation: isolate;
}
.pb-initials-liquid::before {
  content: "";
  position: absolute;
  inset: -60%;
  z-index: -2;
  background: conic-gradient(from 0deg, #1e3a8a, #3b82f6, #4f46e5, #7c3aed, #a855f7, #6d28d9, #4338ca, #2563eb, #4f46e5, #1e3a8a);
  will-change: transform;
  animation: pb-logo-ring-spin 14s linear infinite;
}
.pb-initials-liquid::after {
  content: "";
  position: absolute;
  inset: 3px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(155deg, rgba(147,197,253,0.3) 0%, rgba(165,180,252,0.2) 38%, transparent 66%);
  pointer-events: none;
}
.dark .pb-initials-liquid {
  box-shadow:
    0 8px 20px rgba(2, 6, 23, 0.45),
    0 0 12px rgba(99, 102, 241, 0.18);
}
.dark .pb-initials-liquid::after {
  background: linear-gradient(155deg, rgba(191,219,254,0.18) 0%, rgba(99,102,241,0.12) 38%, transparent 66%);
}

/* ── Responsive Typography ────────────────────────── */
@media (max-width: 640px) {
  .pb-display-lg { font-size: 2.25rem; }
  .pb-display    { font-size: 1.875rem; }
  .pb-h1         { font-size: 1.5rem; }
  .pb-h2         { font-size: 1.25rem; }
  .pb-h3         { font-size: 1.125rem; }
  .pb-h4         { font-size: 1rem; }
}


/* ================================================================
   12-COLUMN GRID SYSTEM
   ================================================================ */

.pb-grid {
  display: grid;
  grid-template-columns: repeat(var(--pb-grid-columns), 1fr);
  gap: var(--pb-grid-gutter);
}

.pb-col-1  { grid-column: span 1; }
.pb-col-2  { grid-column: span 2; }
.pb-col-3  { grid-column: span 3; }
.pb-col-4  { grid-column: span 4; }
.pb-col-5  { grid-column: span 5; }
.pb-col-6  { grid-column: span 6; }
.pb-col-7  { grid-column: span 7; }
.pb-col-8  { grid-column: span 8; }
.pb-col-9  { grid-column: span 9; }
.pb-col-10 { grid-column: span 10; }
.pb-col-11 { grid-column: span 11; }
.pb-col-12 { grid-column: span 12; }

@media (min-width: 640px) {
  .pb-sm-col-1  { grid-column: span 1; }
  .pb-sm-col-2  { grid-column: span 2; }
  .pb-sm-col-3  { grid-column: span 3; }
  .pb-sm-col-4  { grid-column: span 4; }
  .pb-sm-col-5  { grid-column: span 5; }
  .pb-sm-col-6  { grid-column: span 6; }
  .pb-sm-col-7  { grid-column: span 7; }
  .pb-sm-col-8  { grid-column: span 8; }
  .pb-sm-col-9  { grid-column: span 9; }
  .pb-sm-col-10 { grid-column: span 10; }
  .pb-sm-col-11 { grid-column: span 11; }
  .pb-sm-col-12 { grid-column: span 12; }
}
@media (min-width: 768px) {
  .pb-md-col-1  { grid-column: span 1; }
  .pb-md-col-2  { grid-column: span 2; }
  .pb-md-col-3  { grid-column: span 3; }
  .pb-md-col-4  { grid-column: span 4; }
  .pb-md-col-5  { grid-column: span 5; }
  .pb-md-col-6  { grid-column: span 6; }
  .pb-md-col-7  { grid-column: span 7; }
  .pb-md-col-8  { grid-column: span 8; }
  .pb-md-col-9  { grid-column: span 9; }
  .pb-md-col-10 { grid-column: span 10; }
  .pb-md-col-11 { grid-column: span 11; }
  .pb-md-col-12 { grid-column: span 12; }
}
@media (min-width: 1024px) {
  .pb-lg-col-1  { grid-column: span 1; }
  .pb-lg-col-2  { grid-column: span 2; }
  .pb-lg-col-3  { grid-column: span 3; }
  .pb-lg-col-4  { grid-column: span 4; }
  .pb-lg-col-5  { grid-column: span 5; }
  .pb-lg-col-6  { grid-column: span 6; }
  .pb-lg-col-7  { grid-column: span 7; }
  .pb-lg-col-8  { grid-column: span 8; }
  .pb-lg-col-9  { grid-column: span 9; }
  .pb-lg-col-10 { grid-column: span 10; }
  .pb-lg-col-11 { grid-column: span 11; }
  .pb-lg-col-12 { grid-column: span 12; }
}

/* ── Container ────────────────────────────────────── */
.pb-container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pb-grid-margin);
  padding-right: var(--pb-grid-margin);
}
.pb-container-narrow { max-width: 448px; }
.pb-container-default { max-width: 768px; }
.pb-container-wide { max-width: 1024px; }
.pb-container-full { max-width: 1280px; }


/* ================================================================
   COMPONENT 1 — BUTTON
   ================================================================ */

.pb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pb-space-1);
  font-weight: 600;
  border-radius: var(--pb-radius-xl);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  font-family: var(--pb-font-sans);
}
.pb-btn:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
}
.pb-btn:disabled, .pb-btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}
.pb-btn:active:not(:disabled) {
  transform: scale(0.97);
}

/* Sizes */
.pb-btn-sm { height: 32px; padding: 0 var(--pb-space-1-5); font-size: 0.75rem; }
.pb-btn-md { height: 40px; padding: 0 var(--pb-space-2);   font-size: 0.875rem; }
.pb-btn-lg { height: 48px; padding: 0 var(--pb-space-3);   font-size: 1rem; }

/* Primary */
.pb-btn-primary {
  background: linear-gradient(90deg, #1e3a8a, #3b82f6, #4f46e5, #7c3aed, #a855f7, #6d28d9, #4338ca, #2563eb, #1e3a8a);
  background-size: 300% 100%;
  animation: pb-liquid-cta-flow 14s linear infinite;
  color: #ffffff;
  box-shadow: var(--pb-shadow-active);
}
.dark .pb-btn-primary {
  background: linear-gradient(90deg, #1e40af, #60a5fa, #6366f1, #a78bfa, #c084fc, #7c3aed, #6366f1, #3b82f6, #1e40af);
  background-size: 300% 100%;
}
.pb-btn-primary:hover {
  box-shadow: 0 8px 20px rgba(37,99,235,0.38);
}

/* Secondary */
.pb-btn-secondary {
  background: var(--pb-surface-solid);
  color: var(--pb-text);
  border-color: var(--pb-border);
  box-shadow: var(--pb-shadow-sm);
}
.pb-btn-secondary:hover {
  background: var(--pb-bg-secondary);
  border-color: var(--pb-neutral-300);
}
.dark .pb-btn-secondary {
  background: var(--pb-neutral-800);
  border-color: var(--pb-neutral-700);
}
.dark .pb-btn-secondary:hover {
  background: var(--pb-neutral-700);
}

/* Ghost */
.pb-btn-ghost {
  background: transparent;
  color: var(--pb-text-secondary);
}
.pb-btn-ghost:hover {
  background: var(--pb-bg-secondary);
  color: var(--pb-text);
}
.dark .pb-btn-ghost:hover {
  background: var(--pb-neutral-800);
}

/* Danger */
.pb-btn-danger {
  background: var(--pb-error-600);
  color: #ffffff;
}
.pb-btn-danger:hover {
  background: var(--pb-error-700);
}

/* Loading state */
.pb-btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.pb-btn-loading::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: pb-spin 0.6s linear infinite;
}


/* ================================================================
   COMPONENT 2 — ICON BUTTON
   ================================================================ */

.pb-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--pb-radius-lg);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  color: var(--pb-icon-secondary);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.pb-icon-btn:hover {
  background: var(--pb-bg-secondary);
  color: var(--pb-icon);
}
.dark .pb-icon-btn:hover {
  background: var(--pb-neutral-800);
}
.pb-icon-btn:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
}
.pb-icon-btn-sm { width: 32px; height: 32px; }
.pb-icon-btn-md { width: 40px; height: 40px; }
.pb-icon-btn-lg { width: 48px; height: 48px; }


/* ================================================================
   COMPONENT 3 — LINK
   ================================================================ */

.pb-link {
  color: var(--pb-text-link);
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
}
.pb-link:hover {
  color: var(--pb-text-link-hover);
  text-decoration: underline;
}
.pb-link:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
  border-radius: 2px;
}


/* ================================================================
   COMPONENT 4 — INPUT
   ================================================================ */

.pb-input {
  display: block;
  width: 100%;
  height: 48px;
  padding: 0 var(--pb-space-2);
  font-size: 0.875rem;
  font-family: var(--pb-font-sans);
  color: var(--pb-text);
  background: var(--pb-surface-solid);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-xl);
  appearance: none;
}
.pb-input::placeholder {
  color: var(--pb-text-muted);
}
.pb-input:hover {
  border-color: var(--pb-neutral-300);
}
.pb-input:focus {
  outline: none;
  border-color: var(--pb-border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.pb-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--pb-bg-secondary);
}
.pb-input-error {
  border-color: var(--pb-border-error);
}
.pb-input-error:focus {
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2);
}
.dark .pb-input {
  background: var(--pb-neutral-700);
  border-color: var(--pb-neutral-600);
}
.dark .pb-input:hover {
  border-color: var(--pb-neutral-500);
}


/* ================================================================
   COMPONENT 5 — TEXTAREA
   ================================================================ */

.pb-textarea {
  display: block;
  width: 100%;
  min-height: 96px;
  padding: var(--pb-space-1-5) var(--pb-space-2);
  font-size: 0.875rem;
  font-family: var(--pb-font-sans);
  color: var(--pb-text);
  background: var(--pb-surface-solid);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-xl);
  resize: vertical;
  appearance: none;
}
.pb-textarea::placeholder { color: var(--pb-text-muted); }
.pb-textarea:focus {
  outline: none;
  border-color: var(--pb-border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.dark .pb-textarea {
  background: var(--pb-neutral-700);
  border-color: var(--pb-neutral-600);
}


/* ================================================================
   COMPONENT 6 — SELECT
   ================================================================ */

.pb-select {
  display: block;
  width: 100%;
  height: 48px;
  padding: 0 var(--pb-space-5) 0 var(--pb-space-2);
  font-size: 0.875rem;
  font-family: var(--pb-font-sans);
  color: var(--pb-text);
  background: var(--pb-surface-solid);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-xl);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 5.646a.5.5 0 0 1 .708 0L8 8.293l2.646-2.647a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.pb-select:focus {
  outline: none;
  border-color: var(--pb-border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.dark .pb-select {
  background-color: var(--pb-neutral-700);
  border-color: var(--pb-neutral-600);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 5.646a.5.5 0 0 1 .708 0L8 8.293l2.646-2.647a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}


/* ================================================================
   COMPONENT 7 — CHECKBOX
   ================================================================ */

.pb-checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--pb-space-1);
  cursor: pointer;
}
.pb-checkbox input[type="checkbox"] {
  width: 18px; height: 18px;
  border: 2px solid var(--pb-border);
  border-radius: var(--pb-radius-sm);
  appearance: none;
  cursor: pointer;
  position: relative;
  background: var(--pb-surface-solid);
  flex-shrink: 0;
}
.pb-checkbox input[type="checkbox"]:checked {
  background: var(--pb-primary-600);
  border-color: var(--pb-primary-600);
}
.pb-checkbox input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 4px; top: 1px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.pb-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
}
.dark .pb-checkbox input[type="checkbox"] {
  background: var(--pb-neutral-700);
  border-color: var(--pb-neutral-600);
}


/* ================================================================
   COMPONENT 8 — RADIO
   ================================================================ */

.pb-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--pb-space-1);
  cursor: pointer;
}
.pb-radio input[type="radio"] {
  width: 18px; height: 18px;
  border: 2px solid var(--pb-border);
  border-radius: 50%;
  appearance: none;
  cursor: pointer;
  position: relative;
  background: var(--pb-surface-solid);
  flex-shrink: 0;
}
.pb-radio input[type="radio"]:checked {
  border-color: var(--pb-primary-600);
}
.pb-radio input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--pb-primary-600);
  border-radius: 50%;
}
.pb-radio input[type="radio"]:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
}
.dark .pb-radio input[type="radio"] {
  background: var(--pb-neutral-700);
  border-color: var(--pb-neutral-600);
}


/* ================================================================
   COMPONENT 9 — TOGGLE SWITCH
   ================================================================ */

.pb-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background-color: #d1d5db;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color var(--pb-duration-moderate) var(--pb-ease-default);
  flex-shrink: 0;
  border: none;
  padding: 0;
}
.pb-toggle::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  background: #ffffff;
  border-radius: 50%;
  top: 2px; left: 2px;
  transition: transform var(--pb-duration-moderate) var(--pb-ease-default);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.pb-toggle[aria-checked="true"],
.pb-toggle.active {
  background-color: var(--pb-primary-600);
}
.pb-toggle[aria-checked="true"]::after,
.pb-toggle.active::after {
  transform: translateX(20px);
}
.pb-toggle:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: 2px;
}
.pb-toggle:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* ================================================================
   COMPONENT 10 — SEARCH INPUT
   ================================================================ */

.pb-search {
  position: relative;
}
.pb-search .pb-input {
  padding-left: 40px;
}
.pb-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  color: var(--pb-icon-tertiary);
  pointer-events: none;
}


/* ================================================================
   COMPONENT 11 — CARD
   ================================================================ */

.pb-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border-secondary);
  border-radius: var(--pb-radius-2xl);
  padding: var(--pb-space-3);
  box-shadow: var(--pb-shadow-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.pb-card-flat {
  background: var(--pb-surface-solid);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-2xl);
  padding: var(--pb-space-3);
}
.pb-card-interactive {
  transition: transform var(--pb-duration-moderate) var(--pb-ease-default),
              box-shadow var(--pb-duration-moderate) var(--pb-ease-default);
}
.pb-card-interactive:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 40px rgba(30,64,175,0.16);
}
.dark .pb-card-interactive:hover {
  box-shadow: 0 22px 40px rgba(0,0,0,0.4);
}


/* ================================================================
   COMPONENT 12 — GLASS CARD
   ================================================================ */

.pb-glass {
  background: var(--pb-surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--pb-border-secondary);
  border-radius: var(--pb-radius-3xl);
  box-shadow: var(--pb-shadow-glass);
}


/* ================================================================
   COMPONENT 13 — MODAL / DIALOG
   ================================================================ */

.pb-modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--pb-overlay);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--pb-z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--pb-space-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--pb-duration-moderate) var(--pb-ease-default);
}
.pb-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.pb-modal {
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--pb-surface-solid);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-4xl);
  box-shadow: var(--pb-shadow-3xl);
  padding: var(--pb-space-2);
  z-index: var(--pb-z-modal);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.25s cubic-bezier(.4,0,.2,1), opacity var(--pb-duration-moderate) var(--pb-ease-default);
}
.pb-modal-overlay.open .pb-modal {
  transform: translateY(0) scale(1);
}
.pb-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pb-space-1-5) var(--pb-space-2);
  border-bottom: 1px solid var(--pb-border);
  margin-bottom: var(--pb-space-2);
}
.pb-modal-body {
  padding: 0 var(--pb-space-2) var(--pb-space-2);
}
@media (max-width: 640px) {
  .pb-modal {
    border-radius: var(--pb-radius-3xl) var(--pb-radius-3xl) 0 0;
    max-height: 92vh;
    align-self: flex-end;
  }
}


/* ================================================================
   COMPONENT 14 — TOAST / SNACKBAR
   ================================================================ */

.pb-toast {
  position: fixed;
  bottom: var(--pb-space-3);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: var(--pb-z-toast);
  display: flex;
  align-items: center;
  gap: var(--pb-space-1);
  padding: var(--pb-space-1-5) var(--pb-space-2);
  background: var(--pb-neutral-900);
  color: #ffffff;
  border-radius: var(--pb-radius-lg);
  box-shadow: var(--pb-shadow-2xl);
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transition: transform var(--pb-duration-slow) var(--pb-ease-spring),
              opacity var(--pb-duration-moderate) var(--pb-ease-default);
}
.pb-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.dark .pb-toast {
  background: var(--pb-neutral-100);
  color: var(--pb-neutral-900);
}
.pb-toast-success { border-left: 3px solid var(--pb-success-500); }
.pb-toast-error   { border-left: 3px solid var(--pb-error-500); }
.pb-toast-warning { border-left: 3px solid var(--pb-warning-500); }
.pb-toast-info    { border-left: 3px solid var(--pb-info-500); }


/* ================================================================
   COMPONENT 15 — ALERT / BANNER
   ================================================================ */

.pb-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--pb-space-1-5);
  padding: var(--pb-space-2);
  border-radius: var(--pb-radius-xl);
  font-size: 0.875rem;
  border: 1px solid transparent;
}
.pb-alert-icon { flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px; }
.pb-alert-success {
  background: var(--pb-success-50);
  border-color: var(--pb-success-100);
  color: var(--pb-success-700);
}
.pb-alert-error {
  background: var(--pb-error-50);
  border-color: var(--pb-error-100);
  color: var(--pb-error-700);
}
.pb-alert-warning {
  background: var(--pb-warning-50);
  border-color: var(--pb-warning-100);
  color: var(--pb-warning-700);
}
.pb-alert-info {
  background: var(--pb-info-50);
  border-color: var(--pb-info-100);
  color: var(--pb-info-600);
}
.dark .pb-alert-success { background: rgba(22,163,74,0.1); border-color: rgba(22,163,74,0.2); color: #4ade80; }
.dark .pb-alert-error   { background: rgba(220,38,38,0.1); border-color: rgba(220,38,38,0.2); color: #f87171; }
.dark .pb-alert-warning { background: rgba(234,179,8,0.1);  border-color: rgba(234,179,8,0.2);  color: #facc15; }
.dark .pb-alert-info    { background: rgba(37,99,235,0.1);  border-color: rgba(37,99,235,0.2);  color: #60a5fa; }


/* ================================================================
   COMPONENT 16 — BADGE
   ================================================================ */

.pb-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--pb-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.pb-badge-primary { background: var(--pb-primary-100); color: var(--pb-primary-700); }
.pb-badge-success { background: var(--pb-success-100); color: var(--pb-success-700); }
.pb-badge-warning { background: var(--pb-warning-100); color: var(--pb-warning-700); }
.pb-badge-error   { background: var(--pb-error-100);   color: var(--pb-error-700); }
.pb-badge-neutral { background: var(--pb-neutral-200); color: var(--pb-neutral-700); }
.dark .pb-badge-primary { background: rgba(37,99,235,0.15); color: var(--pb-primary-400); }
.dark .pb-badge-success { background: rgba(22,163,74,0.15); color: #4ade80; }
.dark .pb-badge-warning { background: rgba(234,179,8,0.15); color: #facc15; }
.dark .pb-badge-error   { background: rgba(220,38,38,0.15); color: #f87171; }
.dark .pb-badge-neutral { background: var(--pb-neutral-800); color: var(--pb-neutral-400); }


/* ================================================================
   COMPONENT 17 — TAG / CHIP
   ================================================================ */

.pb-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--pb-space-0-5);
  padding: var(--pb-space-0-5) var(--pb-space-1);
  border-radius: var(--pb-radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--pb-bg-secondary);
  color: var(--pb-text-secondary);
  border: 1px solid var(--pb-border);
}
.pb-tag-removable {
  cursor: pointer;
}
.pb-tag-remove {
  display: inline-flex;
  width: 14px; height: 14px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  color: var(--pb-icon-tertiary);
}
.pb-tag-remove:hover {
  background: var(--pb-bg-tertiary);
  color: var(--pb-icon);
}


/* ================================================================
   COMPONENT 18 — AVATAR
   ================================================================ */

.pb-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--pb-radius-full);
  overflow: hidden;
  background: linear-gradient(135deg, var(--pb-primary-500), var(--pb-secondary-500));
  color: #ffffff;
  font-weight: 700;
  flex-shrink: 0;
}
.pb-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pb-avatar-sm { width: 32px; height: 32px; font-size: 0.75rem; }
.pb-avatar-md { width: 40px; height: 40px; font-size: 0.875rem; }
.pb-avatar-lg { width: 48px; height: 48px; font-size: 1rem; }
.pb-avatar-xl { width: 64px; height: 64px; font-size: 1.25rem; }


/* ================================================================
   COMPONENT 19 — TOOLTIP
   ================================================================ */

.pb-tooltip-wrap {
  position: relative;
  display: inline-flex;
}
.pb-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  z-index: var(--pb-z-tooltip);
  padding: var(--pb-space-1) var(--pb-space-1-5);
  background: var(--pb-neutral-900);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 500;
  border-radius: var(--pb-radius-md);
  white-space: nowrap;
  max-width: 180px;
  line-height: 1.2;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--pb-duration-normal) var(--pb-ease-default),
              transform var(--pb-duration-normal) var(--pb-ease-default);
}
.pb-tooltip-wrap:hover .pb-tooltip,
.pb-tooltip-wrap:focus-within .pb-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.dark .pb-tooltip {
  background: var(--pb-neutral-100);
  color: var(--pb-neutral-900);
}


/* ================================================================
   COMPONENT 20 — DROPDOWN MENU
   ================================================================ */

.pb-dropdown {
  position: relative;
  display: inline-flex;
}
.pb-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 180px;
  z-index: var(--pb-z-dropdown);
  background: var(--pb-surface-solid);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
  padding: var(--pb-space-0-5);
  box-shadow: var(--pb-shadow-lg);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity var(--pb-duration-normal) var(--pb-ease-default),
              transform var(--pb-duration-normal) var(--pb-ease-default);
}
.pb-dropdown-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.dark .pb-dropdown-menu {
  background: var(--pb-neutral-800);
  border-color: var(--pb-neutral-700);
}
.pb-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--pb-space-1);
  width: 100%;
  padding: var(--pb-space-1) var(--pb-space-1-5);
  font-size: 0.875rem;
  color: var(--pb-text-secondary);
  border-radius: var(--pb-radius-md);
  cursor: pointer;
  border: none;
  background: none;
  text-align: left;
}
.pb-dropdown-item:hover {
  background: var(--pb-bg-secondary);
  color: var(--pb-text);
}
.dark .pb-dropdown-item:hover {
  background: var(--pb-neutral-700);
}
.pb-dropdown-divider {
  height: 1px;
  background: var(--pb-border);
  margin: var(--pb-space-0-5) 0;
}


/* ================================================================
   COMPONENT 21 — NAVIGATION BAR
   ================================================================ */

.pb-navbar {
  position: sticky;
  top: 0;
  z-index: var(--pb-z-sticky);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
}
.pb-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 var(--pb-grid-margin);
  max-width: 1280px;
  margin: 0 auto;
}
.pb-navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--pb-space-1);
  text-decoration: none;
}
.pb-navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--pb-space-1);
}


/* ================================================================
   COMPONENT 22 — MOBILE BOTTOM NAV
   ================================================================ */

.pb-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--pb-z-sticky);
  background: var(--pb-surface-solid);
  border-top: 1px solid var(--pb-border);
  padding: var(--pb-space-0-5) 0;
  padding-bottom: env(safe-area-inset-bottom, 0);
  display: none;
}
@media (max-width: 640px) {
  .pb-bottom-nav { display: flex; }
}
.pb-bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--pb-space-0-5) 0;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--pb-text-muted);
  cursor: pointer;
  border: none;
  background: none;
}
.pb-bottom-nav-item.active {
  color: var(--pb-primary-600);
}
.dark .pb-bottom-nav-item.active {
  color: var(--pb-primary-400);
}
.pb-bottom-nav-item svg {
  width: 22px; height: 22px;
}


/* ================================================================
   COMPONENT 23 — TABS
   ================================================================ */

.pb-tabs {
  display: flex;
  border-bottom: 1px solid var(--pb-border);
  gap: var(--pb-space-3);
  overflow-x: auto;
}
.pb-tab {
  padding: var(--pb-space-1-5) 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pb-text-tertiary);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.pb-tab:hover { color: var(--pb-text); }
.pb-tab.active {
  color: var(--pb-primary-600);
  border-bottom-color: var(--pb-primary-600);
}
.dark .pb-tab.active {
  color: var(--pb-primary-400);
  border-bottom-color: var(--pb-primary-400);
}
.pb-tab:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: -2px;
}


/* ================================================================
   COMPONENT 24 — SEGMENTED CONTROL
   ================================================================ */

.pb-segmented {
  display: flex;
  background: var(--pb-bg-secondary);
  border-radius: var(--pb-radius-md);
  padding: 2px;
}
.dark .pb-segmented {
  background: var(--pb-neutral-800);
}
.pb-segmented-item {
  flex: 1;
  padding: var(--pb-space-0-5) var(--pb-space-1);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--pb-text-tertiary);
  border-radius: 6px;
  cursor: pointer;
  border: none;
  background: none;
  text-align: center;
  transition: all var(--pb-duration-normal) var(--pb-ease-default);
}
.pb-segmented-item.active {
  background: var(--pb-surface-solid);
  color: var(--pb-text);
  box-shadow: var(--pb-shadow-sm);
}
.dark .pb-segmented-item.active {
  background: var(--pb-neutral-700);
  color: var(--pb-neutral-50);
}
.pb-segmented-item:focus-visible {
  outline: 2px solid var(--pb-border-focus);
  outline-offset: -2px;
}


/* ================================================================
   COMPONENT 25 — BREADCRUMB
   ================================================================ */

.pb-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--pb-space-0-5);
  font-size: 0.875rem;
}
.pb-breadcrumb-item {
  color: var(--pb-text-tertiary);
  text-decoration: none;
}
.pb-breadcrumb-item:hover {
  color: var(--pb-text);
  text-decoration: underline;
}
.pb-breadcrumb-current {
  color: var(--pb-text);
  font-weight: 600;
}
.pb-breadcrumb-sep {
  color: var(--pb-text-muted);
  font-size: 0.75rem;
}


/* ================================================================
   COMPONENT 26 — PAGINATION
   ================================================================ */

.pb-pagination {
  display: flex;
  align-items: center;
  gap: var(--pb-space-0-5);
}
.pb-page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--pb-space-1);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--pb-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--pb-radius-md);
  cursor: pointer;
}
.pb-page-btn:hover {
  background: var(--pb-bg-secondary);
}
.pb-page-btn.active {
  background: var(--pb-primary-600);
  color: #ffffff;
  border-color: var(--pb-primary-600);
}
.pb-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}


/* ================================================================
   COMPONENT 27 — TABLE
   ================================================================ */

.pb-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
}
.pb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.pb-table th {
  text-align: left;
  padding: var(--pb-space-1-5) var(--pb-space-2);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pb-text-tertiary);
  background: var(--pb-bg-secondary);
  border-bottom: 1px solid var(--pb-border);
}
.pb-table td {
  padding: var(--pb-space-1-5) var(--pb-space-2);
  color: var(--pb-text);
  border-bottom: 1px solid var(--pb-border);
}
.pb-table tbody tr:last-child td { border-bottom: none; }
.pb-table tbody tr:hover {
  background: rgba(0,0,0,0.02);
}
.dark .pb-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}
.dark .pb-table th {
  background: var(--pb-neutral-800);
}


/* ================================================================
   COMPONENT 28 — LIST ITEM
   ================================================================ */

.pb-list-item {
  display: flex;
  align-items: center;
  gap: var(--pb-space-1-5);
  padding: var(--pb-space-1-5) var(--pb-space-2);
  border-radius: var(--pb-radius-lg);
  transition: background-color var(--pb-duration-fast) var(--pb-ease-default);
}
.pb-list-item:hover {
  background: rgba(0,0,0,0.02);
}
.dark .pb-list-item:hover {
  background: rgba(255,255,255,0.03);
}
.pb-list-item-interactive {
  cursor: pointer;
}
.pb-list-divider {
  height: 1px;
  background: var(--pb-border);
  margin: 0 var(--pb-space-2);
}


/* ================================================================
   COMPONENT 29 — ACCORDION
   ================================================================ */

.pb-accordion {
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius-lg);
  overflow: hidden;
}
.pb-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--pb-space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pb-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}
.pb-accordion-trigger:hover {
  background: rgba(0,0,0,0.02);
}
.dark .pb-accordion-trigger:hover {
  background: rgba(255,255,255,0.03);
}
.pb-accordion-icon {
  width: 20px; height: 20px;
  transition: transform var(--pb-duration-moderate) var(--pb-ease-default);
  flex-shrink: 0;
  color: var(--pb-icon-secondary);
}
.pb-accordion-trigger[aria-expanded="true"] .pb-accordion-icon {
  transform: rotate(180deg);
}
.pb-accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--pb-duration-slow) var(--pb-ease-default);
}
.pb-accordion-panel[aria-hidden="false"] {
  max-height: 500px;
}
.pb-accordion-content {
  padding: 0 var(--pb-space-2) var(--pb-space-2);
  font-size: 0.875rem;
  color: var(--pb-text-secondary);
}
.pb-accordion + .pb-accordion {
  border-top: none;
  border-radius: 0;
}
.pb-accordion:first-child {
  border-radius: var(--pb-radius-lg) var(--pb-radius-lg) 0 0;
}
.pb-accordion:last-child {
  border-radius: 0 0 var(--pb-radius-lg) var(--pb-radius-lg);
}
.pb-accordion:only-child {
  border-radius: var(--pb-radius-lg);
}


/* ================================================================
   COMPONENT 30 — PROGRESS BAR
   ================================================================ */

.pb-progress {
  width: 100%;
  height: 8px;
  background: var(--pb-bg-tertiary);
  border-radius: var(--pb-radius-full);
  overflow: hidden;
}
.pb-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--pb-primary-500), var(--pb-secondary-500));
  border-radius: var(--pb-radius-full);
  transition: width var(--pb-duration-slow) var(--pb-ease-default);
}
.pb-progress-sm { height: 4px; }
.pb-progress-lg { height: 12px; }


/* ================================================================
   COMPONENT 31 — SKELETON LOADER
   ================================================================ */

.pb-skeleton {
  background: linear-gradient(90deg, var(--pb-bg-secondary) 25%, var(--pb-bg-tertiary) 50%, var(--pb-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: pb-shimmer 1.5s infinite;
  border-radius: var(--pb-radius-md);
}
.dark .pb-skeleton {
  background: linear-gradient(90deg, var(--pb-neutral-800) 25%, var(--pb-neutral-700) 50%, var(--pb-neutral-800) 75%);
  background-size: 200% 100%;
}
.pb-skeleton-text { height: 14px; margin-bottom: 8px; }
.pb-skeleton-heading { height: 24px; width: 60%; margin-bottom: 12px; }
.pb-skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }
.pb-skeleton-card { height: 120px; border-radius: var(--pb-radius-2xl); }
.pb-skeleton-pill { height: 20px; border-radius: var(--pb-radius-full); }
.pb-skeleton-button { height: 44px; border-radius: var(--pb-radius-xl); }
.pb-skeleton-grid {
  display: grid;
  gap: var(--pb-space-1);
}
.pb-skeleton-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pb-skeleton-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pb-skeleton-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }


/* ================================================================
   COMPONENT 32 — DIVIDER
   ================================================================ */

.pb-divider {
  height: 1px;
  width: 100%;
  background: var(--pb-border);
  border: none;
  margin: var(--pb-space-2) 0;
}
.pb-divider-thick {
  height: 2px;
}
.pb-divider-spaced {
  margin: var(--pb-space-4) 0;
}


/* ================================================================
   COMPONENT 33 — SCHEDULE CARD (Domain-Specific)
   ================================================================ */

.pb-schedule-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border-secondary);
  border-radius: 22px;
  box-shadow: var(--pb-shadow-card);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--pb-duration-moderate) var(--pb-ease-default),
              box-shadow var(--pb-duration-moderate) var(--pb-ease-default);
}
.pb-schedule-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pb-primary-600), var(--pb-secondary-600) 45%, var(--pb-accent-500));
  opacity: 0.95;
  box-shadow: 0 0 18px rgba(59,130,246,0.45);
}
.pb-schedule-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 40px rgba(30,64,175,0.16);
}
.dark .pb-schedule-card:hover {
  box-shadow: 0 22px 40px rgba(0,0,0,0.4);
}
.pb-schedule-card-body {
  padding: var(--pb-space-2-5) var(--pb-space-2);
}


/* ================================================================
   PATTERNS — Page Shell
   ================================================================ */

.pb-page-bg {
  min-height: 100vh;
  background: linear-gradient(to bottom right, var(--pb-neutral-100), #f3f4f6, var(--pb-neutral-100));
}
.dark .pb-page-bg {
  background: linear-gradient(to bottom right, var(--pb-neutral-950), var(--pb-neutral-900), var(--pb-neutral-900));
}


/* ================================================================
   PATTERNS — Glass Surfaces
   ================================================================ */

.pb-glass-nav {
  background: linear-gradient(145deg, rgba(255,255,255,0.88), rgba(241,245,249,0.8));
  border: 1px solid var(--pb-border-secondary);
  border-radius: var(--pb-radius-2xl);
  box-shadow: var(--pb-shadow-lg);
  padding: var(--pb-space-0-5);
}
.dark .pb-glass-nav {
  background: linear-gradient(145deg, rgba(30,41,59,0.9), rgba(17,24,39,0.88));
  border-color: rgba(100,116,139,0.35);
  box-shadow: var(--pb-shadow-lg);
}


/* ================================================================
   PATTERNS — Form Field Group
   ================================================================ */

.pb-field {
  margin-bottom: var(--pb-space-2-5);
}
.pb-field-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pb-text);
  margin-bottom: var(--pb-space-1);
}
.pb-field-hint {
  font-size: 0.75rem;
  color: var(--pb-text-muted);
  margin-top: var(--pb-space-0-5);
}
.pb-field-error {
  font-size: 0.75rem;
  color: var(--pb-error-600);
  margin-top: var(--pb-space-0-5);
}
.dark .pb-field-error {
  color: var(--pb-error-400);
}


/* ================================================================
   PATTERNS — Settings Row
   ================================================================ */

.pb-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pb-space-2) 0;
  transition: background-color var(--pb-duration-fast) var(--pb-ease-default);
}
.pb-setting-row + .pb-setting-row {
  border-top: 1px solid var(--pb-border);
}


/* ================================================================
   PATTERNS — League Badge
   ================================================================ */

.pb-league-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: var(--pb-radius-sm);
  font-weight: 700;
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--pb-neutral-100);
  color: var(--pb-neutral-600);
}
.dark .pb-league-badge {
  background: var(--pb-neutral-800);
  color: var(--pb-neutral-400);
}


/* ================================================================
   KEYFRAMES
   ================================================================ */

@keyframes pb-spin {
  to { transform: rotate(360deg); }
}
@keyframes pb-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes pb-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pb-scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes pb-slide-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.pb-animate-fade-in { animation: pb-fade-in var(--pb-duration-slow) var(--pb-ease-out); }
.pb-animate-scale-in { animation: pb-scale-in var(--pb-duration-slow) var(--pb-ease-out); }


/* ================================================================
   UTILITIES
   ================================================================ */

.pb-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}
.pb-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pb-line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ================================================================
   BRAND-SPECIFIC UTILITIES
   ================================================================ */

.pb-font-display { font-family: var(--pb-font-display); }
.pb-font-mono    { font-family: var(--pb-font-mono); }

.pb-blackout-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--pb-error-50);
  color: var(--pb-error-700);
  border: 1px solid var(--pb-error-100);
}
.dark .pb-blackout-badge {
  background: rgba(220, 38, 38, 0.15);
  color: var(--pb-error-400);
  border-color: rgba(220, 38, 38, 0.25);
}

.pb-covered-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--pb-success-50);
  color: var(--pb-success-700);
  border: 1px solid var(--pb-success-100);
}
.dark .pb-covered-badge {
  background: rgba(22, 163, 74, 0.15);
  color: #4ade80;
  border-color: rgba(22, 163, 74, 0.25);
}

.pb-needed-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--pb-warning-50);
  color: var(--pb-warning-700);
  border: 1px solid var(--pb-warning-100);
}
.dark .pb-needed-badge {
  background: rgba(202, 138, 4, 0.15);
  color: #fbbf24;
  border-color: rgba(202, 138, 4, 0.25);
}

.pb-data {
  font-family: var(--pb-font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

/* ================================================================
   LIQUID BLUE EXTENSIONS (v1.1)
   ================================================================ */

.pb-page-bg {
  position: relative;
  overflow-x: clip;
}
.pb-page-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  transform: translateZ(0);
  background:
    radial-gradient(circle at 16% 14%, var(--pb-liquid-glow), transparent 42%),
    radial-gradient(circle at 84% 18%, var(--pb-liquid-glow-secondary), transparent 36%);
}
.pb-page-bg::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.65;
  transform: translateZ(0);
  background-image:
    radial-gradient(var(--pb-liquid-noise) 0.5px, transparent 0.5px);
  background-size: 4px 4px;
}

.pb-navbar {
  top: 0;
  width: 100%;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.dark .pb-navbar {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.pb-button,
.pb-btn {
  position: relative;
  overflow: hidden;
}
.pb-btn-primary,
.pb-btn-secondary,
.pb-liquid-cta {
  background-image:
    linear-gradient(160deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.08) 28%, transparent 55%);
}
.dark .pb-btn-primary,
.dark .pb-btn-secondary,
.dark .pb-liquid-cta {
  background-image:
    linear-gradient(160deg, rgba(191, 219, 254, 0.15) 0%, rgba(148, 163, 184, 0.06) 30%, transparent 55%);
}
.pb-liquid-control,
.pb-btn,
.pb-input,
.pb-select,
.pb-icon-btn,
.pb-toggle {
  border-color: var(--pb-liquid-border-idle);
  transition:
    border-color var(--pb-liquid-hover-duration) var(--pb-liquid-hover-ease),
    box-shadow var(--pb-liquid-focus-duration) var(--pb-liquid-hover-ease),
    transform var(--pb-liquid-active-duration) var(--pb-liquid-hover-ease),
    background-color var(--pb-liquid-hover-duration) var(--pb-liquid-hover-ease),
    color var(--pb-liquid-hover-duration) var(--pb-liquid-hover-ease);
}
.pb-liquid-control:hover,
.pb-btn:hover,
.pb-input:hover,
.pb-select:hover,
.pb-icon-btn:hover,
.pb-toggle:hover {
  border-color: var(--pb-liquid-border-hover);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pb-liquid-border-hover) 66%, transparent),
    0 8px 20px rgba(37, 99, 235, 0.12);
}
.pb-liquid-control:focus-visible,
.pb-btn:focus-visible,
.pb-input:focus-visible,
.pb-select:focus-visible,
.pb-icon-btn:focus-visible,
.pb-toggle:focus-visible {
  border-color: var(--pb-liquid-border-active);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pb-liquid-border-active) 62%, transparent),
    0 0 0 3px var(--pb-liquid-focus-ring),
    0 10px 24px rgba(37, 99, 235, 0.14);
}
.pb-liquid-control:active,
.pb-btn:active:not(:disabled),
.pb-icon-btn:active,
.pb-toggle:active {
  transform: scale(0.985);
}
.pb-liquid-panel,
.pb-card,
.pb-schedule-card {
  position: relative;
  border-color: transparent;
}
.pb-liquid-panel::after,
.pb-card::after,
.pb-schedule-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid var(--pb-liquid-border-idle);
  pointer-events: none;
  transition: border-color var(--pb-liquid-hover-duration) var(--pb-liquid-hover-ease), box-shadow var(--pb-liquid-focus-duration) var(--pb-liquid-hover-ease), opacity var(--pb-liquid-hover-duration) var(--pb-liquid-hover-ease);
}
.pb-liquid-panel:hover::after,
.pb-card:hover::after,
.pb-schedule-card:hover::after,
.pb-liquid-panel:focus-within::after,
.pb-card:focus-within::after,
.pb-schedule-card:focus-within::after {
  border-color: var(--pb-liquid-border-hover);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pb-liquid-border-hover) 60%, transparent),
    0 0 22px rgba(79, 70, 229, 0.16);
}
.pb-liquid-outline {
  position: relative;
  border-radius: inherit;
  border: 1px solid var(--pb-liquid-border-idle);
  transition:
    border-color var(--pb-liquid-hover-duration) var(--pb-liquid-hover-ease),
    box-shadow var(--pb-liquid-focus-duration) var(--pb-liquid-hover-ease),
    transform var(--pb-liquid-active-duration) var(--pb-liquid-hover-ease);
}
.pb-liquid-outline:hover {
  border-color: var(--pb-liquid-border-hover);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pb-liquid-border-hover) 60%, transparent),
    0 8px 18px rgba(37, 99, 235, 0.12);
}
.pb-liquid-outline:focus-visible,
.pb-liquid-outline:focus-within {
  border-color: var(--pb-liquid-border-active);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pb-liquid-border-active) 66%, transparent),
    0 0 0 3px var(--pb-liquid-focus-ring);
}
.pb-liquid-cta {
  background: linear-gradient(90deg, #1e3a8a, #3b82f6, #4f46e5, #7c3aed, #a855f7, #6d28d9, #4338ca, #2563eb, #1e3a8a);
  background-size: 300% 100%;
  animation: pb-liquid-cta-flow 14s linear infinite;
  color: #ffffff;
  border-color: color-mix(in srgb, var(--pb-primary-300) 35%, transparent);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.32);
}
.dark .pb-liquid-cta {
  background: linear-gradient(90deg, #1e40af, #60a5fa, #6366f1, #a78bfa, #c084fc, #7c3aed, #6366f1, #3b82f6, #1e40af);
  background-size: 300% 100%;
}
.pb-liquid-cta:hover {
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.38);
}
@keyframes pb-liquid-cta-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}
.pb-button:hover,
.pb-btn:hover {
  transform: translateY(-1px);
}
.pb-button:active,
.pb-btn:active {
  transform: translateY(0) scale(0.98);
}

.pb-card,
.pb-schedule-card {
  background: linear-gradient(155deg, color-mix(in srgb, var(--pb-surface) 84%, white 16%) 0%, var(--pb-surface) 55%, color-mix(in srgb, var(--pb-surface) 92%, #eef2ff 8%) 100%);
  box-shadow: 0 18px 40px rgba(30, 64, 175, 0.11), inset 0 1px 0 rgba(255,255,255,0.45);
}
.dark .pb-card,
.dark .pb-schedule-card {
  box-shadow: 0 22px 50px rgba(2, 6, 23, 0.48), inset 0 1px 0 rgba(148,163,184,0.16);
}

.pb-liquid-nav {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 20px;
  border: none;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}
.dark .pb-liquid-nav {
  background: transparent;
  border-color: transparent;
}

.pb-liquid-nav-btn {
  position: relative;
  z-index: 2;
  border: 0;
  background: transparent;
  color: var(--pb-text-secondary);
  border-radius: 16px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--pb-duration-fast) var(--pb-ease-default);
}
.pb-liquid-nav-btn.active {
  color: var(--pb-text);
}
.pb-liquid-nav-btn + .pb-liquid-nav-btn {
  border-left: 0;
}
.dark .pb-liquid-nav-btn + .pb-liquid-nav-btn {
  border-left-color: transparent;
}

.pb-liquid-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 110px;
  height: 100%;
  border-radius: 18px;
  overflow: hidden;
  pointer-events: none;
  will-change: transform, width;
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1), width 220ms var(--pb-ease-default);
  filter: drop-shadow(0 0 24px var(--pb-liquid-glow));
}
.pb-liquid-indicator::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  left: calc(50% - 300px);
  top: calc(50% - 300px);
  background: var(--pb-liquid-ring);
  animation: pb-liquid-spin 14s linear infinite;
}
.pb-liquid-indicator::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 13px;
  background: rgba(248,250,252,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.dark .pb-liquid-indicator::after {
  background: rgba(15,23,42,0.88);
}

.pb-theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--pb-border-secondary);
  background: linear-gradient(145deg, rgba(255,255,255,0.75), rgba(241,245,249,0.64));
  color: var(--pb-text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 260ms var(--pb-ease-overshoot), color var(--pb-duration-fast) var(--pb-ease-default), border-color var(--pb-duration-fast) var(--pb-ease-default);
}
.pb-theme-toggle:hover {
  transform: translateY(-1px);
  color: var(--pb-text);
}
.pb-theme-toggle:active,
.pb-theme-toggle.bounce {
  transform: scale(1.25);
}
.pb-theme-toggle .sun-icon,
.pb-theme-toggle .moon-icon {
  position: absolute;
  transition: opacity 220ms var(--pb-ease-default), transform 280ms var(--pb-ease-overshoot);
}
.pb-theme-toggle .moon-icon { opacity: 0; transform: rotate(-24deg) scale(0.74); }
.dark .pb-theme-toggle .sun-icon { opacity: 0; transform: rotate(24deg) scale(0.74); }
.dark .pb-theme-toggle .moon-icon { opacity: 1; transform: rotate(0deg) scale(1); }

.pb-icon-stroke svg,
svg.pb-icon-stroke {
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pb-navbar svg,
.pb-icon-btn svg {
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes pb-liquid-spin {
  to { transform: rotate(360deg); }
}

@keyframes pb-wordmark-liquid-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* Liquid animated modal/page titles */
.pb-modal-title {
  background: linear-gradient(90deg, #1e3a8a, #3b82f6, #4f46e5, #7c3aed, #a855f7, #6d28d9, #4338ca, #2563eb, #1e3a8a);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pb-title-flow 14s linear infinite;
  filter: drop-shadow(0 0 8px rgba(79,70,229,0.2));
}
.dark .pb-modal-title {
  background: linear-gradient(90deg, #60a5fa, #818cf8, #a78bfa, #c084fc, #a78bfa, #818cf8, #60a5fa);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(129,140,248,0.25));
}

/* Liquid animated section labels */
.pb-section-label {
  background: linear-gradient(90deg, #2563eb, #4f46e5, #7c3aed, #a855f7, #7c3aed, #4f46e5, #2563eb);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.08em;
  animation: pb-title-flow 14s linear infinite;
  filter: drop-shadow(0 0 4px rgba(79,70,229,0.15));
}
.dark .pb-section-label {
  background: linear-gradient(90deg, #60a5fa, #818cf8, #a78bfa, #c084fc, #a78bfa, #818cf8, #60a5fa);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 4px rgba(129,140,248,0.2));
}

@keyframes pb-title-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  .pb-liquid-indicator,
  .pb-theme-toggle,
  .pb-button,
  .pb-btn,
  .pb-card-interactive,
  .pb-wordmark-liquid,
  .pb-logo-liquid::before,
  .pb-initials-liquid::before,
  .pb-modal-title,
  .pb-section-label {
    transition: none !important;
    animation: none !important;
  }
  .pb-liquid-indicator::before {
    animation: none !important;
  }
}

/* ================================================================
   SURFACE TINT — Subtle brand warmth for light-mode cards/panels
   Layers a faint indigo→violet gradient over the existing bg-color.
   Automatically disabled in dark mode.
   ================================================================ */
.pb-tint-surface {
  background-image: linear-gradient(165deg, transparent 25%, rgba(224,231,255,0.22) 65%, rgba(237,233,254,0.18) 100%);
}
.dark .pb-tint-surface {
  background-image: none;
}

/* Mobile reliability helpers */
.pb-mobile-safe-shell {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

.pb-safe-min-screen {
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
}

@media (max-width: 639px) {
  .pb-mobile-safe-input {
    font-size: 16px !important;
  }
}