/* ==========================================================================
   CSS Reset e Variáveis Globais
   ========================================================================== */
:root {
  /* Sistema de cores - acessibilidade WCAG AA+ */
  --color-primary: #0056b3;
  --color-primary-dark: #003f86;
  --color-primary-light: #4d8cff;
  --color-primary-10: rgba(0, 86, 179, 0.1);
  --color-primary-20: rgba(0, 86, 179, 0.2);
  
  --color-secondary: #6c757d;
  --color-secondary-dark: #545b62;
  --color-secondary-light: #868e96;
  
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;
  
  /* Cores neutras */
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f2f4f7;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  --color-black: #000000;
  
  /* Sistema de tipografia - escala modular */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 
                      'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 
                      'Helvetica Neue', sans-serif;
  --font-family-monospace: 'SF Mono', Monaco, 'Cascadia Code', 'Consolas', monospace;
  
  /* Tamanhos de fonte baseados em rem */
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.125rem;  /* 18px */
  --font-size-lg: 1.25rem;   /* 20px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 1.75rem;  /* 28px */
  --font-size-3xl: 2rem;     /* 32px */
  --font-size-4xl: 2.5rem;   /* 40px */
  
  /* Espaçamentos - escala 8px */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  
  /* Bordas e sombras */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Transições e animações */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index layers */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  --z-index-toast: 1080;
  
  /* Breakpoints mobile-first */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ==========================================================================
   Reset e Estilos Base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-800);
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overflow-x: hidden;
}

/* Suporte a dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #4d8cff;
    --color-primary-dark: #3a6fd8;
    --color-primary-light: #6aa1ff;
    
    --color-white: #1a1a1a;
    --color-gray-50: #2d2d2d;
    --color-gray-100: #3d3d3d;
    --color-gray-200: #4d4d4d;
    --color-gray-800: #f8f9fa;
    --color-gray-900: #ffffff;
  }
  
  body {
    color: var(--color-gray-800);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
  }
}

/* ==========================================================================
   Componentes de Acessibilidade
   ========================================================================== */
.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-to-content {
  position: absolute;
  top: var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  z-index: var(--z-index-skip-link);
  opacity: 0;
  pointer-events: none;
}

.skip-to-content:focus {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Layout Principal
   ========================================================================== */
.app-header {
  width: 100%;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4) var(--space-4);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  border-bottom: 1px solid var(--color-gray-200);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.app-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.app-icon {
  font-size: var(--font-size-2xl);
  animation: pulse 2s infinite;
}

.app-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  text-align: center;
  margin: 0;
}

.app-main {
  flex: 1;
  width: 100%;
  padding: var(--space-4);
}

.container {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

/* ==========================================================================
   Seção Hero
   ========================================================================== */
.hero-section {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.hero-heading {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   Formulário de Busca
   ========================================================================== */
.search-section {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6) var(--space-4);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.label-text::after {
  content: "*";
  color: var(--color-danger);
  margin-left: var(--space-1);
}

input[type="text"] {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-gray-900);
  background: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
  min-height: 52px;
}

/* Estados dos inputs */
input[type="text"]:hover {
  border-color: var(--color-gray-400);
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-20);
}

input[type="text"]:disabled {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
  cursor: not-allowed;
}

input[type="text"]::placeholder {
  color: var(--color-gray-500);
  opacity: 0.7;
}

/* Feedback de validação */
input[type="text"]:invalid:not(:placeholder-shown) {
  border-color: var(--color-danger);
}

input[type="text"]:valid:not(:placeholder-shown) {
  border-color: var(--color-success);
}

.input-hint {
  font-size: var(--font-size-xs);
  min-height: var(--space-4);
  transition: all var(--transition-base);
}

/* ==========================================================================
   Botões
   ========================================================================== */
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* Botão primário */
.search-button {
  flex: 1;
  min-width: 140px;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family-base);
  color: var(--color-white);
  background: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 52px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.search-button:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.search-button:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.search-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Botão secundário */
.clear-button,
.action-button,
.retry-button {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family-base);
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  border: 2px solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  min-width: 44px;
  -webkit-tap-highlight-color: transparent;
}

.clear-button:hover,
.action-button:hover,
.retry-button:hover {
  background: var(--color-gray-300);
  transform: translateY(-1px);
}

.clear-button:active,
.action-button:active,
.retry-button:active {
  transform: translateY(0);
}

/* Variante secundária */
.action-button.secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.action-button.secondary:hover {
  background: var(--color-primary-10);
}

/* Estados touch para mobile */
.touch-active {
  transform: scale(0.98) !important;
  opacity: 0.9 !important;
}

/* ==========================================================================
   Dicas e Informações
   ========================================================================== */
.search-tips {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-primary-10);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-primary);
}

.tip-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

.tip-text {
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ==========================================================================
   Resultados
   ========================================================================== */
.results-section {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
}

.results-count {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.count-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.count-text {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
}

/* Grid de cards */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* Card de participante */
.participant-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.participant-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-primary);
}

.participant-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.participant-card:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.participant-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.3;
  margin: 0;
}

.participant-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-10);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--border-radius-full);
  border: 1px solid var(--color-primary-20);
  align-self: flex-start;
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.contact-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-email,
.contact-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  word-break: break-all;
}

.contact-email:hover,
.contact-link:hover {
  text-decoration: underline;
  color: var(--color-primary-dark);
}

.company-name {
  font-weight: 500;
  color: var(--color-gray-700);
}

.card-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.card-id {
  font-family: var(--font-family-monospace);
  background: var(--color-gray-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-sm);
}

.card-date {
  font-style: italic;
}

/* Ações dos resultados */
.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-200);
}

/* ==========================================================================
   Estados Vazios e Welcome
   ========================================================================== */
.no-results {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  animation: fadeInUp var(--transition-slow);
}

.no-results-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.no-results-title {
  font-size: var(--font-size-xl);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.no-results-text {
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.no-results-suggestions {
  background: var(--color-gray-100);
  border-radius: var(--border-radius-md);
  padding: var(--space-4);
  margin: var(--space-6) auto;
  max-width: 400px;
}

.suggestions-title {
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.suggestions-list {
  text-align: left;
  list-style: none;
  padding: 0;
}

.suggestions-list li {
  padding: var(--space-1) 0;
  color: var(--color-gray-600);
  position: relative;
  padding-left: var(--space-4);
}

.suggestions-list li::before {
  content: "•";
  color: var(--color-primary);
  position: absolute;
  left: var(--space-2);
}

.welcome-results {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  animation: fadeIn var(--transition-slow);
}

.welcome-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  animation: bounce 2s infinite;
}

.welcome-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.welcome-text {
  color: var(--color-gray-600);
  max-width: 500px;
  margin: 0 auto var(--space-4);
  line-height: 1.6;
}

.stats-preview {
  background: var(--color-primary-10);
  border-radius: var(--border-radius-md);
  padding: var(--space-4);
  display: inline-block;
  margin-top: var(--space-4);
}

.stats-text {
  color: var(--color-primary-dark);
  font-weight: 500;
  margin: 0;
}

/* ==========================================================================
   Rodapé
   ========================================================================== */
.app-footer {
  width: 100%;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-6) var(--space-4);
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-info {
  text-align: center;
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.footer-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  text-align: center;
}

.footer-support {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.support-link {
  color: var(--color-primary);
  text-decoration: none;
}

.support-link:hover {
  text-decoration: underline;
}

.footer-tech {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  font-family: var(--font-family-monospace);
}

.tech-info {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.tech-label {
  font-weight: 600;
}

.tech-value {
  opacity: 0.8;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   Animações
   ========================================================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ==========================================================================
   Media Queries - Responsividade
   ========================================================================== */

/* Dispositivos móveis pequenos (iPhone SE, etc) */
@media (max-width: 359px) {
  .container {
    padding: var(--space-2);
  }
  
  .hero-heading {
    font-size: var(--font-size-lg);
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .search-button,
  .clear-button {
    width: 100%;
  }
}

/* Dispositivos móveis (vertical) */
@media (min-width: 360px) and (max-width: 767px) {
  .app-header {
    padding: var(--space-3);
  }
  
  .hero-section {
    padding: var(--space-6) var(--space-3);
  }
  
  .search-section,
  .results-section {
    padding: var(--space-4) var(--space-3);
  }
  
  .participant-card {
    padding: var(--space-3);
  }
}

/* Modo paisagem (mobile landscape) */
@media (max-height: 600px) and (orientation: landscape) {
  body {
    padding: var(--space-2);
  }
  
  .app-header {
    position: static;
    padding: var(--space-2);
  }
  
  .hero-section {
    padding: var(--space-4) var(--space-3);
    margin-bottom: var(--space-4);
  }
  
  .hero-heading {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
  }
  
  .search-form {
    gap: var(--space-3);
  }
  
  input[type="text"] {
    padding: var(--space-3) var(--space-4);
    min-height: 48px;
  }
  
  .search-button {
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
  }
  
  .results-grid {
    max-height: 300px;
    overflow-y: auto;
    padding-right: var(--space-2);
  }
  
  .results-grid::-webkit-scrollbar {
    width: 6px;
  }
  
  .results-grid::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--border-radius-full);
  }
  
  .results-grid::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--border-radius-full);
  }
}

/* Tablets e dispositivos médios */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
  
  .hero-heading {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .search-form {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--space-4);
    align-items: end;
  }
  
  .form-actions {
    margin-top: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .footer-info {
    text-align: left;
  }
  
  .footer-meta {
    justify-content: flex-end;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .app-header {
    padding: var(--space-4) var(--space-8);
  }
  
  .container {
    max-width: 1200px;
  }
  
  .hero-section {
    padding: var(--space-10) var(--space-8);
  }
  
  .search-section,
  .results-section {
    padding: var(--space-8);
  }
  
  .results-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .app-footer {
    padding: var(--space-6) var(--space-8);
  }
}

/* Telas grandes */
@media (min-width: 1280px) {
  .hero-heading {
    font-size: var(--font-size-3xl);
  }
  
  .results-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Impressão
   ========================================================================== */
@media print {
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt !important;
  }
  
  .app-header,
  .search-section,
  .form-actions,
  .search-tips,
  .results-actions,
  .app-footer {
    display: none !important;
  }
  
  .container {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
  }
  
  .results-section {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
  
  .participant-card {
    break-inside: avoid;
    page-break-inside: avoid;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    margin-bottom: 0.5cm !important;
  }
  
  .contact-email,
  .contact-link {
    color: black !important;
    text-decoration: underline !important;
  }
}

/* ==========================================================================
   Ajustes específicos para iOS
   ========================================================================== */
@supports (-webkit-touch-callout: none) {
  input[type="text"] {
    font-size: 16px; /* Previne zoom automático */
  }
  
  .search-button,
  .clear-button {
    -webkit-appearance: none;
  }
}

/* ==========================================================================
   Ajustes para dispositivos com notch
   ========================================================================== */
@media (max-width: 430px) and (min-height: 800px) {
  body {
    padding-top: max(var(--space-4), env(safe-area-inset-top));
    padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
  }
  
  .app-header {
    padding-top: env(safe-area-inset-top);
  }
}

/* ==========================================================================
   Utilitários
   ========================================================================== */
.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  height: 1px !important;
  width: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
}

/* Orientação específica */
.portrait .results-grid {
  grid-template-columns: 1fr;
}

.landscape .results-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Loading state */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Custom scrollbar para WebKit */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}