/*
 * PlanPulse Design System v2.0
 * Modern Enterprise SaaS Design
 * -----------------------------------------
 */

/* ==========================================
   1. CSS VARIABLES & TOKENS
   ========================================== */

:root {
  /* ═══════════════════════════════════════════════════════════════════════════
     PlanPulse Design System v2.1 - "Khó tính vẫn thích" Color Palette
     Professional, trustworthy, easy on the eyes
     ═══════════════════════════════════════════════════════════════════════════ */
  
  /* A) Neutrals (xương sống - 70-90% UI) */
  --pp-bg: #F8FAFC;                    /* Background tổng */
  --pp-surface: #FFFFFF;               /* Card, khung nội dung */
  --pp-surface-elevated: #FFFFFF;      /* Surface nâng cao */
  --pp-border: #E2E8F0;                /* Viền, đường phân cách */
  --pp-border-light: #F1F5F9;          /* Viền nhẹ hơn */
  --pp-text-primary: #0F172A;          /* Chữ chính */
  --pp-text-secondary: #475569;        /* Chú thích, label phụ */
  --pp-text-muted: #94A3B8;            /* Trạng thái vô hiệu */
  
  /* Neutral Gray Scale */
  --pp-gray-50: #F8FAFC;
  --pp-gray-100: #F1F5F9;
  --pp-gray-200: #E2E8F0;
  --pp-gray-300: #CBD5E1;
  --pp-gray-400: #94A3B8;
  --pp-gray-500: #64748B;
  --pp-gray-600: #475569;
  --pp-gray-700: #334155;
  --pp-gray-800: #1E293B;
  --pp-gray-900: #0F172A;
  
  /* B) Primary (màu nhấn chính - đáng tin, chuyên nghiệp) */
  --pp-primary: #2563EB;               /* Primary Blue */
  --pp-primary-hover: #1D4ED8;         /* Primary Hover */
  --pp-primary-light: #DBEAFE;         /* Primary Light */
  --pp-primary-soft: #EFF6FF;          /* Nền nhạt highlight */
  
  /* C) Secondary (nhấn phụ - hiện đại, dịu) */
  --pp-teal: #0F766E;                  /* Teal chính */
  --pp-teal-soft: #ECFDF5;             /* Teal nền nhạt */
  --pp-blue: #2563EB;                  /* Alias for primary */
  --pp-blue-soft: #EFF6FF;             /* Alias for primary soft */
  
  /* D) Semantic (màu trạng thái - rõ ràng, không gây stress) */
  --pp-green: #16A34A;                 /* Success */
  --pp-green-soft: #DCFCE7;            /* Success background */
  --pp-yellow: #F59E0B;                /* Warning/Amber */
  --pp-yellow-soft: #FEF3C7;           /* Warning background */
  --pp-red: #DC2626;                   /* Error/Danger */
  --pp-red-soft: #FEE2E2;              /* Error background */
  --pp-info: #0284C7;                  /* Info */
  --pp-info-soft: #E0F2FE;             /* Info background */
  --pp-purple: #7C3AED;                /* Accent purple */
  --pp-purple-soft: #EDE9FE;           /* Purple background */
  
  /* Legacy aliases for backward compatibility */
  --pp-accent: var(--pp-primary);
  --pp-accent-soft: var(--pp-primary-soft);
  
  /* Typography Scale */
  --pp-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --pp-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --pp-text-xs: 0.75rem;     /* 12px */
  --pp-text-sm: 0.8125rem;   /* 13px */
  --pp-text-base: 0.875rem;  /* 14px */
  --pp-text-md: 0.9375rem;   /* 15px */
  --pp-text-lg: 1rem;        /* 16px */
  --pp-text-xl: 1.125rem;    /* 18px */
  --pp-text-2xl: 1.25rem;    /* 20px */
  --pp-text-3xl: 1.5rem;     /* 24px */
  --pp-text-4xl: 1.875rem;   /* 30px */
  
  --pp-leading-tight: 1.25;
  --pp-leading-normal: 1.5;
  --pp-leading-relaxed: 1.625;
  
  /* Spacing Scale */
  --pp-space-1: 0.25rem;   /* 4px */
  --pp-space-2: 0.5rem;    /* 8px */
  --pp-space-3: 0.75rem;   /* 12px */
  --pp-space-4: 1rem;      /* 16px */
  --pp-space-5: 1.25rem;   /* 20px */
  --pp-space-6: 1.5rem;    /* 24px */
  --pp-space-8: 2rem;      /* 32px */
  --pp-space-10: 2.5rem;   /* 40px */
  --pp-space-12: 3rem;     /* 48px */
  --pp-space-16: 4rem;     /* 64px */
  
  /* Border Radius */
  --pp-radius-sm: 6px;
  --pp-radius-md: 8px;
  --pp-radius-lg: 12px;
  --pp-radius-xl: 16px;
  --pp-radius-2xl: 20px;
  --pp-radius-full: 9999px;
  
  /* Shadows */
  --pp-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --pp-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --pp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --pp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --pp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --pp-shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  
  /* Focus Ring */
  --pp-ring: 0 0 0 3px rgba(37, 99, 235, 0.2);
  --pp-ring-blue: 0 0 0 3px rgba(37, 99, 235, 0.25);
  --pp-ring-teal: 0 0 0 3px rgba(15, 118, 110, 0.2);
  
  /* Transitions */
  --pp-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --pp-transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --pp-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --pp-sidebar-width: 260px;
  --pp-sidebar-collapsed-width: 72px;
  --pp-topbar-height: 60px;
  --pp-content-max-width: 1400px;
}

/* Dark Mode Variables — Single Source of Truth
   Unified with styles.css dark palette (#0f1115 base) */
[data-theme="dark"] {
  /* Surfaces — deep dark, layered for depth */
  --pp-bg: #0f1115;
  --pp-surface: #1a1d23;
  --pp-surface-2: #22262e;
  --pp-surface-elevated: #2a2e37;

  /* Text — high readability on dark */
  --pp-text: #f9fafb;
  --pp-text-primary: #f9fafb;
  --pp-text-secondary: #d1d5db;
  --pp-text-muted: #9ca3af;
  --pp-muted: #9ca3af;

  /* Borders — subtle white borders */
  --pp-border: rgba(255, 255, 255, 0.12);
  --pp-border-2: rgba(255, 255, 255, 0.08);
  --pp-border-light: rgba(255, 255, 255, 0.06);

  /* Gray scale inverted */
  --pp-gray-50: #1a1d23;
  --pp-gray-100: #22262e;
  --pp-gray-200: #2a2e37;
  --pp-gray-300: #374151;
  --pp-gray-400: #4b5563;
  --pp-gray-500: #6b7280;
  --pp-gray-600: #9ca3af;
  --pp-gray-700: #d1d5db;
  --pp-gray-800: #e5e7eb;
  --pp-gray-900: #f3f4f6;

  /* Semantic soft backgrounds — dark-adapted */
  --pp-primary-soft: rgba(37, 99, 235, 0.15);
  --pp-teal-soft: rgba(15, 118, 110, 0.15);
  --pp-green-soft: rgba(22, 163, 74, 0.15);
  --pp-yellow-soft: rgba(245, 158, 11, 0.15);
  --pp-red-soft: rgba(220, 38, 38, 0.15);
  --pp-info-soft: rgba(2, 132, 199, 0.15);
  --pp-purple-soft: rgba(124, 58, 237, 0.15);

  /* Shadows — stronger for dark surfaces */
  --pp-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --pp-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --pp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --pp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --pp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --pp-shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);

  /* Focus ring — brighter for dark mode */
  --pp-ring: 0 0 0 3px rgba(96, 165, 250, 0.55);
  --pp-ring-blue: 0 0 0 3px rgba(96, 165, 250, 0.60);
  --pp-ring-teal: 0 0 0 3px rgba(45, 212, 191, 0.45);

  /* Accent soft — more visible on dark */
  --pp-accent-soft: rgba(37, 99, 235, 0.18);
}


/* ==========================================
   1.5 SCROLLBAR STYLING
   ========================================== */

/* Webkit scrollbar (Chrome, Edge, Safari) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--pp-gray-300, #CBD5E1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--pp-gray-400, #94A3B8);
}

::-webkit-scrollbar-corner {
  background: transparent;
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--pp-gray-300, #CBD5E1) transparent;
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

[data-theme="dark"] * {
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}


/* ==========================================
   2. BASE STYLES
   ========================================== */

/* Inter font loaded from local vendor - see static/vendor/fonts/inter.css */
/* @import url('/static/vendor/fonts/inter.css'); - loaded in base.html instead */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--pp-font-sans);
  font-size: var(--pp-text-base);
  line-height: var(--pp-leading-normal);
  color: var(--pp-text-primary);
  background: var(--pp-bg);
  margin: 0;
  min-height: 100vh;
}

a {
  color: var(--pp-primary);
  text-decoration: none;
  transition: color var(--pp-transition-fast);
}

a:hover {
  color: var(--pp-primary-hover);
}


/* ==========================================
   3. TYPOGRAPHY
   ========================================== */

.pp-h1 {
  font-size: var(--pp-text-4xl);
  font-weight: 700;
  line-height: var(--pp-leading-tight);
  letter-spacing: -0.02em;
  color: var(--pp-text-primary);
}

.pp-h2 {
  font-size: var(--pp-text-3xl);
  font-weight: 700;
  line-height: var(--pp-leading-tight);
  letter-spacing: -0.01em;
  color: var(--pp-text-primary);
}

.pp-h3 {
  font-size: var(--pp-text-2xl);
  font-weight: 600;
  line-height: var(--pp-leading-tight);
  color: var(--pp-text-primary);
}

.pp-h4 {
  font-size: var(--pp-text-xl);
  font-weight: 600;
  line-height: var(--pp-leading-tight);
  color: var(--pp-text-primary);
}

.pp-h5 {
  font-size: var(--pp-text-lg);
  font-weight: 600;
  line-height: var(--pp-leading-tight);
  color: var(--pp-text-primary);
}

.pp-label {
  font-size: var(--pp-text-sm);
  font-weight: 500;
  color: var(--pp-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pp-caption {
  font-size: var(--pp-text-xs);
  color: var(--pp-text-muted);
}

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


/* ==========================================
   4. LAYOUT - NEW SHELL
   ========================================== */

.pp-app {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.pp-sidebar-v2 {
  width: var(--pp-sidebar-width);
  background: var(--pp-surface);
  border-right: 1px solid var(--pp-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--pp-transition-slow), transform var(--pp-transition-slow);
}

.pp-sidebar-v2.collapsed {
  width: var(--pp-sidebar-collapsed-width);
}

.pp-sidebar-header {
  height: var(--pp-topbar-height);
  padding: 0 var(--pp-space-5);
  display: flex;
  align-items: center;
  gap: var(--pp-space-3);
  border-bottom: 1px solid var(--pp-border-light);
  flex-shrink: 0;
}

.pp-sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--pp-space-3);
}

.pp-sidebar-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--pp-primary), var(--pp-primary-hover));
  border-radius: var(--pp-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--pp-text-sm);
}

.pp-sidebar-logo-text {
  font-weight: 700;
  font-size: var(--pp-text-lg);
  color: var(--pp-text-primary);
}

.pp-sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--pp-space-4);
}

.pp-sidebar-section {
  margin-bottom: var(--pp-space-6);
}

.pp-sidebar-section-title {
  font-size: var(--pp-text-xs);
  font-weight: 600;
  color: var(--pp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 var(--pp-space-3);
  margin-bottom: var(--pp-space-2);
}

.pp-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pp-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--pp-space-3);
  padding: var(--pp-space-2) var(--pp-space-3);
  border-radius: var(--pp-radius-md);
  color: var(--pp-text-secondary);
  font-size: var(--pp-text-sm);
  font-weight: 500;
  transition: all var(--pp-transition-fast);
  cursor: pointer;
}

.pp-sidebar-item:hover {
  background: var(--pp-gray-100);
  color: var(--pp-text-primary);
}

.pp-sidebar-item.active {
  background: var(--pp-primary-soft);
  color: var(--pp-primary);
}

.pp-sidebar-item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.pp-sidebar-item-icon svg {
  width: 100%;
  height: 100%;
}

.pp-sidebar-footer {
  padding: var(--pp-space-4);
  border-top: 1px solid var(--pp-border-light);
}

/* Main Content Area */
.pp-main-v2 {
  flex: 1;
  margin-left: var(--pp-sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--pp-transition-slow);
}

.pp-topbar-v2 {
  height: var(--pp-topbar-height);
  background: var(--pp-surface);
  border-bottom: 1px solid var(--pp-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pp-space-6);
  position: sticky;
  top: 0;
  z-index: 50;
}

.pp-topbar-left {
  display: flex;
  align-items: center;
  gap: var(--pp-space-4);
}

.pp-topbar-right {
  display: flex;
  align-items: center;
  gap: var(--pp-space-3);
}

.pp-content {
  flex: 1;
  padding: var(--pp-space-6);
  max-width: var(--pp-content-max-width);
  width: 100%;
  margin: 0 auto;
}

.pp-page-header {
  margin-bottom: var(--pp-space-6);
}

.pp-page-title {
  font-size: var(--pp-text-3xl);
  font-weight: 700;
  color: var(--pp-text-primary);
  margin: 0 0 var(--pp-space-1) 0;
}

.pp-page-subtitle {
  font-size: var(--pp-text-base);
  color: var(--pp-text-secondary);
  margin: 0;
}


/* ==========================================
   5. COMPONENTS - BUTTONS
   ========================================== */

.pp-btn-v2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pp-space-2);
  padding: var(--pp-space-2) var(--pp-space-4);
  font-size: var(--pp-text-sm);
  font-weight: 500;
  border-radius: var(--pp-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--pp-transition-fast);
  white-space: nowrap;
}

.pp-btn-v2:focus-visible {
  outline: none;
  box-shadow: var(--pp-ring);
}

.pp-btn-v2:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Variants */
.pp-btn-primary {
  background: var(--pp-primary);
  color: white;
}

.pp-btn-primary:hover:not(:disabled) {
  background: var(--pp-primary-hover);
}

.pp-btn-secondary {
  background: var(--pp-surface);
  color: var(--pp-text-primary);
  border-color: var(--pp-border);
}

.pp-btn-secondary:hover:not(:disabled) {
  background: var(--pp-gray-50);
  border-color: var(--pp-gray-300);
}

.pp-btn-ghost {
  background: transparent;
  color: var(--pp-text-secondary);
}

.pp-btn-ghost:hover:not(:disabled) {
  background: var(--pp-gray-100);
  color: var(--pp-text-primary);
}

.pp-btn-danger {
  background: var(--pp-red);
  color: white;
}

.pp-btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

/* Button Sizes */
.pp-btn-sm {
  padding: var(--pp-space-1) var(--pp-space-3);
  font-size: var(--pp-text-xs);
}

.pp-btn-lg {
  padding: var(--pp-space-3) var(--pp-space-6);
  font-size: var(--pp-text-base);
}

.pp-btn-icon {
  padding: var(--pp-space-2);
}


/* ==========================================
   6. COMPONENTS - CARDS
   ========================================== */

.pp-card-v2 {
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-lg);
  overflow: hidden;
  transition: box-shadow var(--pp-transition-fast);
}

.pp-card-v2:hover {
  box-shadow: var(--pp-shadow-md);
}

.pp-card-header-v2 {
  padding: var(--pp-space-5);
  border-bottom: 1px solid var(--pp-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pp-space-4);
}

.pp-card-title-v2 {
  font-size: var(--pp-text-lg);
  font-weight: 600;
  color: var(--pp-text-primary);
  margin: 0;
}

.pp-card-body-v2 {
  padding: var(--pp-space-5);
}

.pp-card-footer-v2 {
  padding: var(--pp-space-4) var(--pp-space-5);
  border-top: 1px solid var(--pp-border-light);
  background: var(--pp-gray-50);
}

/* Stat Card */
.pp-stat-card {
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-lg);
  padding: var(--pp-space-5);
  transition: all var(--pp-transition-fast);
}

.pp-stat-card:hover {
  box-shadow: var(--pp-shadow-md);
  transform: translateY(-2px);
}

.pp-stat-label {
  font-size: var(--pp-text-sm);
  font-weight: 500;
  color: var(--pp-text-secondary);
  margin-bottom: var(--pp-space-2);
}

.pp-stat-value {
  font-size: var(--pp-text-3xl);
  font-weight: 700;
  color: var(--pp-text-primary);
  line-height: 1;
}

.pp-stat-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--pp-space-1);
  font-size: var(--pp-text-sm);
  font-weight: 500;
  margin-top: var(--pp-space-2);
}

.pp-stat-trend.up {
  color: var(--pp-green);
}

.pp-stat-trend.down {
  color: var(--pp-red);
}


/* ==========================================
   7. COMPONENTS - FORMS
   ========================================== */

.pp-input-group {
  margin-bottom: var(--pp-space-4);
}

.pp-input-label {
  display: block;
  font-size: var(--pp-text-sm);
  font-weight: 500;
  color: var(--pp-text-primary);
  margin-bottom: var(--pp-space-2);
}

.pp-input {
  width: 100%;
  padding: var(--pp-space-2) var(--pp-space-3);
  font-size: var(--pp-text-base);
  color: var(--pp-text-primary);
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-md);
  transition: all var(--pp-transition-fast);
}

.pp-input:hover {
  border-color: var(--pp-gray-300);
}

.pp-input:focus {
  outline: none;
  border-color: var(--pp-primary);
  box-shadow: var(--pp-ring);
}

.pp-input::placeholder {
  color: var(--pp-text-muted);
}

.pp-input-hint {
  font-size: var(--pp-text-xs);
  color: var(--pp-text-muted);
  margin-top: var(--pp-space-1);
}

.pp-input-error {
  font-size: var(--pp-text-xs);
  color: var(--pp-red);
  margin-top: var(--pp-space-1);
}

/* Select */
.pp-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--pp-space-3) center;
  background-size: 16px;
  padding-right: var(--pp-space-10);
}


/* ==========================================
   8. COMPONENTS - BADGES & TAGS
   ========================================== */

.pp-badge-v2 {
  display: inline-flex;
  align-items: center;
  gap: var(--pp-space-1);
  padding: 2px var(--pp-space-2);
  font-size: var(--pp-text-xs);
  font-weight: 500;
  border-radius: var(--pp-radius-full);
  white-space: nowrap;
}

.pp-badge-default {
  background: var(--pp-gray-100);
  color: var(--pp-text-secondary);
}

.pp-badge-primary {
  background: var(--pp-primary-soft);
  color: var(--pp-primary);
}

.pp-badge-success {
  background: var(--pp-green-soft);
  color: var(--pp-green);
}

.pp-badge-warning {
  background: var(--pp-yellow-soft);
  color: #b45309;
}

.pp-badge-danger {
  background: var(--pp-red-soft);
  color: var(--pp-red);
}

.pp-badge-info {
  background: var(--pp-blue-soft);
  color: var(--pp-blue);
}


/* ==========================================
   9. COMPONENTS - AVATARS
   ========================================== */

.pp-avatar-v2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--pp-radius-full);
  background: linear-gradient(135deg, var(--pp-primary-light), var(--pp-primary));
  color: white;
  font-size: var(--pp-text-xs);
  font-weight: 600;
  flex-shrink: 0;
}

.pp-avatar-sm {
  width: 24px;
  height: 24px;
  font-size: 10px;
}

.pp-avatar-lg {
  width: 48px;
  height: 48px;
  font-size: var(--pp-text-lg);
}

.pp-avatar-xl {
  width: 64px;
  height: 64px;
  font-size: var(--pp-text-xl);
}


/* ==========================================
   10. COMPONENTS - EMPTY STATES
   ========================================== */

.pp-empty-state {
  text-align: center;
  padding: var(--pp-space-12) var(--pp-space-6);
}

.pp-empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--pp-space-4);
  color: var(--pp-gray-300);
}

.pp-empty-title {
  font-size: var(--pp-text-lg);
  font-weight: 600;
  color: var(--pp-text-primary);
  margin-bottom: var(--pp-space-2);
}

.pp-empty-description {
  font-size: var(--pp-text-base);
  color: var(--pp-text-secondary);
  margin-bottom: var(--pp-space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}


/* ==========================================
   11. UTILITIES
   ========================================== */

/* Flex */
.pp-flex { display: flex; }
.pp-inline-flex { display: inline-flex; }
.pp-items-center { align-items: center; }
.pp-justify-center { justify-content: center; }
.pp-justify-between { justify-content: space-between; }
.pp-gap-1 { gap: var(--pp-space-1); }
.pp-gap-2 { gap: var(--pp-space-2); }
.pp-gap-3 { gap: var(--pp-space-3); }
.pp-gap-4 { gap: var(--pp-space-4); }
.pp-gap-6 { gap: var(--pp-space-6); }

/* Grid */
.pp-grid { display: grid; }
.pp-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pp-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pp-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Spacing */
.pp-m-0 { margin: 0; }
.pp-mt-2 { margin-top: var(--pp-space-2); }
.pp-mt-4 { margin-top: var(--pp-space-4); }
.pp-mt-6 { margin-top: var(--pp-space-6); }
.pp-mb-2 { margin-bottom: var(--pp-space-2); }
.pp-mb-4 { margin-bottom: var(--pp-space-4); }
.pp-mb-6 { margin-bottom: var(--pp-space-6); }
.pp-p-0 { padding: 0; }
.pp-p-4 { padding: var(--pp-space-4); }
.pp-p-6 { padding: var(--pp-space-6); }

/* Text */
.pp-text-center { text-align: center; }
.pp-text-right { text-align: right; }
.pp-text-muted { color: var(--pp-text-muted); }
.pp-text-secondary { color: var(--pp-text-secondary); }
.pp-font-medium { font-weight: 500; }
.pp-font-semibold { font-weight: 600; }
.pp-font-bold { font-weight: 700; }

/* Visibility */
.pp-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* ==========================================
   12. ANIMATIONS
   ========================================== */

@keyframes pp-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pp-slide-up {
  from { 
    opacity: 0;
    transform: translateY(10px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pp-scale-in {
  from { 
    opacity: 0;
    transform: scale(0.95);
  }
  to { 
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pp-animate-fade-in {
  animation: pp-fade-in var(--pp-transition-normal) ease-out;
}

.pp-animate-slide-up {
  animation: pp-slide-up var(--pp-transition-normal) ease-out;
}

.pp-animate-scale-in {
  animation: pp-scale-in var(--pp-transition-normal) ease-out;
}

.pp-animate-pulse {
  animation: pp-pulse 2s ease-in-out infinite;
}


/* ==========================================
   13. RESPONSIVE
   ========================================== */

@media (max-width: 1024px) {
  .pp-sidebar-v2 {
    transform: translateX(-100%);
  }
  
  .pp-sidebar-v2.open {
    transform: translateX(0);
  }
  
  .pp-main-v2 {
    margin-left: 0;
  }
  
  .pp-grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .pp-content {
    padding: var(--pp-space-4);
  }
  
  .pp-grid-cols-2,
  .pp-grid-cols-3,
  .pp-grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .pp-page-title {
    font-size: var(--pp-text-2xl);
  }
}