/* 
 * InfinitePay Admin System CSS
 * Sistema de Design Unificado v2.0
 * Baseado em melhores práticas de 2025
 */

/* ================================
   DESIGN TOKENS & VARIABLES
   ================================ */

:root {
  /* === CORES PRIMÁRIAS === */
  --ip-primary-50: #eff6ff;
  --ip-primary-100: #dbeafe;
  --ip-primary-200: #bfdbfe;
  --ip-primary-300: #93c5fd;
  --ip-primary-400: #60a5fa;
  --ip-primary-500: #3b82f6;
  --ip-primary-600: #2563eb;
  --ip-primary-700: #1d4ed8;
  --ip-primary-800: #1e40af;
  --ip-primary-900: #1e3a8a;
  
  /* === CORES NEUTRAS === */
  --ip-gray-50: #f9fafb;
  --ip-gray-100: #f3f4f6;
  --ip-gray-200: #e5e7eb;
  --ip-gray-300: #d1d5db;
  --ip-gray-400: #9ca3af;
  --ip-gray-500: #6b7280;
  --ip-gray-600: #4b5563;
  --ip-gray-700: #374151;
  --ip-gray-800: #1f2937;
  --ip-gray-900: #111827;
  
  /* === CORES SEMÂNTICAS === */
  --ip-success-50: #ecfdf5;
  --ip-success-500: #10b981;
  --ip-success-600: #059669;
  --ip-success-700: #047857;
  
  --ip-warning-50: #fffbeb;
  --ip-warning-500: #f59e0b;
  --ip-warning-600: #d97706;
  --ip-warning-700: #b45309;
  
  --ip-error-50: #fef2f2;
  --ip-error-500: #ef4444;
  --ip-error-600: #dc2626;
  --ip-error-700: #b91c1c;
  
  /* === TIPOGRAFIA === */
  --ip-font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --ip-font-mono: 'JetBrains Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  
  --ip-text-xs: 0.75rem;      /* 12px */
  --ip-text-sm: 0.875rem;     /* 14px */
  --ip-text-base: 1rem;       /* 16px */
  --ip-text-lg: 1.125rem;     /* 18px */
  --ip-text-xl: 1.25rem;      /* 20px */
  --ip-text-2xl: 1.5rem;      /* 24px */
  --ip-text-3xl: 1.875rem;    /* 30px */
  --ip-text-4xl: 2.25rem;     /* 36px */
  
  --ip-font-light: 300;
  --ip-font-normal: 400;
  --ip-font-medium: 500;
  --ip-font-semibold: 600;
  --ip-font-bold: 700;
  --ip-font-extrabold: 800;
  
  /* === ESPAÇAMENTO === */
  --ip-space-0: 0;
  --ip-space-1: 0.25rem;      /* 4px */
  --ip-space-2: 0.5rem;       /* 8px */
  --ip-space-3: 0.75rem;      /* 12px */
  --ip-space-4: 1rem;         /* 16px */
  --ip-space-5: 1.25rem;      /* 20px */
  --ip-space-6: 1.5rem;       /* 24px */
  --ip-space-8: 2rem;         /* 32px */
  --ip-space-10: 2.5rem;      /* 40px */
  --ip-space-12: 3rem;        /* 48px */
  --ip-space-16: 4rem;        /* 64px */
  --ip-space-20: 5rem;        /* 80px */
  
  /* === BORDER RADIUS === */
  --ip-radius-none: 0;
  --ip-radius-sm: 0.125rem;    /* 2px */
  --ip-radius-base: 0.25rem;   /* 4px */
  --ip-radius-md: 0.375rem;    /* 6px */
  --ip-radius-lg: 0.5rem;      /* 8px */
  --ip-radius-xl: 0.75rem;     /* 12px */
  --ip-radius-2xl: 1rem;       /* 16px */
  --ip-radius-3xl: 1.5rem;     /* 24px */
  --ip-radius-full: 9999px;
  
  /* === SOMBRAS === */
  --ip-shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --ip-shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --ip-shadow-base: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --ip-shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --ip-shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --ip-shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* === TRANSIÇÕES === */
  --ip-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --ip-transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --ip-transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* === Z-INDEX === */
  --ip-z-dropdown: 1000;
  --ip-z-sticky: 1020;
  --ip-z-fixed: 1030;
  --ip-z-modal-backdrop: 1040;
  --ip-z-modal: 1050;
  --ip-z-popover: 1060;
  --ip-z-tooltip: 1070;
  
  /* === BREAKPOINTS (para uso em JS) === */
  --ip-screen-sm: 640px;
  --ip-screen-md: 768px;
  --ip-screen-lg: 1024px;
  --ip-screen-xl: 1280px;
  --ip-screen-2xl: 1536px;
}

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

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

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--ip-font-family);
  font-size: var(--ip-text-base);
  font-weight: var(--ip-font-normal);
  line-height: 1.6;
  color: var(--ip-gray-900);
  background-color: var(--ip-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

a {
  color: inherit;
  text-decoration: inherit;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ================================
   LAYOUT SYSTEM
   ================================ */

.ip-admin-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--ip-gray-50);
}

/* === SIDEBAR === */
.ip-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-right: 1px solid var(--ip-gray-200);
  box-shadow: var(--ip-shadow-sm);
  z-index: var(--ip-z-fixed);
  overflow-y: auto;
  transition: transform var(--ip-transition-normal);
}

.ip-sidebar-header {
  padding: var(--ip-space-6);
  border-bottom: 1px solid var(--ip-gray-100);
  background: linear-gradient(135deg, var(--ip-primary-600) 0%, var(--ip-primary-700) 100%);
  color: white;
}

.ip-sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--ip-space-3);
  font-size: var(--ip-text-xl);
  font-weight: var(--ip-font-bold);
  color: white;
  text-decoration: none;
}

.ip-sidebar-brand-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--ip-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ip-text-lg);
}

.ip-sidebar-brand-text {
  flex: 1;
}

.ip-sidebar-subtitle {
  font-size: var(--ip-text-sm);
  opacity: 0.9;
  margin-top: var(--ip-space-1);
  font-weight: var(--ip-font-normal);
}

/* === NAVIGATION === */
.ip-nav {
  padding: var(--ip-space-4) 0;
}

.ip-nav-section {
  margin-bottom: var(--ip-space-6);
}

.ip-nav-section:last-child {
  margin-bottom: 0;
}

.ip-nav-section-title {
  padding: 0 var(--ip-space-6) var(--ip-space-2);
  font-size: var(--ip-text-xs);
  font-weight: var(--ip-font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ip-gray-500);
}

.ip-nav-item {
  display: flex;
  align-items: center;
  gap: var(--ip-space-3);
  padding: var(--ip-space-3) var(--ip-space-6);
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-medium);
  color: var(--ip-gray-700);
  text-decoration: none;
  transition: all var(--ip-transition-fast);
  border-left: 3px solid transparent;
  position: relative;
}

.ip-nav-item:hover {
  background-color: var(--ip-gray-50);
  color: var(--ip-primary-600);
  border-left-color: var(--ip-primary-200);
}

.ip-nav-item.active {
  background-color: var(--ip-primary-50);
  color: var(--ip-primary-700);
  border-left-color: var(--ip-primary-600);
  font-weight: var(--ip-font-semibold);
}

.ip-nav-item-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ip-text-base);
  flex-shrink: 0;
}

.ip-nav-item-text {
  flex: 1;
}

/* === MAIN CONTENT === */
.ip-main {
  flex: 1;
  margin-left: 280px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.ip-main-header {
  background: white;
  border-bottom: 1px solid var(--ip-gray-200);
  padding: var(--ip-space-4) var(--ip-space-6);
  position: sticky;
  top: 0;
  z-index: var(--ip-z-sticky);
  box-shadow: var(--ip-shadow-xs);
}

.ip-main-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: none;
}

.ip-main-title {
  font-size: var(--ip-text-2xl);
  font-weight: var(--ip-font-bold);
  color: var(--ip-gray-900);
}

.ip-main-subtitle {
  font-size: var(--ip-text-sm);
  color: var(--ip-gray-500);
  margin-top: var(--ip-space-1);
}

.ip-main-actions {
  display: flex;
  align-items: center;
  gap: var(--ip-space-3);
}

.ip-main-content {
  flex: 1;
  padding: var(--ip-space-6);
  background-color: var(--ip-gray-50);
}

/* === USER MENU === */
.ip-user-menu {
  display: flex;
  align-items: center;
  gap: var(--ip-space-3);
}

.ip-user-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--ip-primary-500), var(--ip-primary-600));
  border-radius: var(--ip-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--ip-font-semibold);
  font-size: var(--ip-text-sm);
  border: 2px solid white;
  box-shadow: var(--ip-shadow-sm);
}

.ip-user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.ip-user-name {
  font-size: var(--ip-text-sm);
  font-weight: var(--ip-font-medium);
  color: var(--ip-gray-900);
}

.ip-user-role {
  font-size: var(--ip-text-xs);
  color: var(--ip-gray-500);
}

/* === MOBILE MENU === */
.ip-mobile-menu-btn {
  display: none;
  position: fixed;
  top: var(--ip-space-4);
  left: var(--ip-space-4);
  z-index: calc(var(--ip-z-fixed) + 1);
  width: 48px;
  height: 48px;
  background: var(--ip-primary-600);
  color: white;
  border: none;
  border-radius: var(--ip-radius-xl);
  box-shadow: var(--ip-shadow-lg);
  font-size: var(--ip-text-lg);
  transition: all var(--ip-transition-fast);
}

.ip-mobile-menu-btn:hover {
  background: var(--ip-primary-700);
  transform: scale(1.05);
}

.ip-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--ip-z-fixed) - 1);
  transition: opacity var(--ip-transition-normal);
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 1024px) {
  .ip-sidebar {
    transform: translateX(-100%);
  }
  
  .ip-sidebar.open {
    transform: translateX(0);
  }
  
  .ip-main {
    margin-left: 0;
  }
  
  .ip-mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .ip-mobile-overlay.open {
    display: block;
  }
  
  .ip-main-header-content {
    padding-left: 60px;
  }
}

@media (max-width: 768px) {
  .ip-main-content {
    padding: var(--ip-space-4);
  }
  
  .ip-main-header {
    padding: var(--ip-space-3) var(--ip-space-4);
  }
  
  .ip-main-title {
    font-size: var(--ip-text-xl);
  }
  
  .ip-user-info {
    display: none;
  }
}

@media (max-width: 640px) {
  .ip-main-header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--ip-space-3);
  }
  
  .ip-main-actions {
    align-self: stretch;
    justify-content: flex-end;
  }
}

/* ================================
   ACCESSIBILITY
   ================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --ip-gray-200: #999999;
    --ip-gray-300: #666666;
    --ip-gray-500: #333333;
  }
  
  .ip-nav-item,
  .ip-sidebar {
    border-width: 2px;
  }
}

/* Focus management */
:focus-visible {
  outline: 2px solid var(--ip-primary-500);
  outline-offset: 2px;
}

/* Screen reader only */
.ip-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;
}

/* Skip links - visível apenas no foco */
.ip-sr-only:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--ip-primary-600);
  color: white;
  text-decoration: none;
  border-radius: 0 0 0.5rem 0;
  z-index: 9999;
  font-weight: 500;
}