/*
 * Sala Conectada - Estilo Principal
 * Acessível, responsivo e otimizado
 */

/* ===== VARIÁVEIS ===== */
:root {
  --cor-primaria: #2563EB;
  --cor-primaria-dark: #1D4ED8;
  --cor-secundaria: #10B981;
  --cor-destaque: #F59E0B;
  --cor-neee: #7C3AED;
  --cor-fundo: #FFFFFF;
  --cor-fundo-alt: #F9FAFB;
  --cor-texto: #1F2937;
  --cor-texto-suave: #6B7280;
  --cor-borda: #E5E7EB;
  --cor-error: #DC2626;
  --cor-success: #059669;
  --sombra-suave: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --sombra-card: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --transicao: all 0.3s ease;
  --borda-radius: 12px;
  --container-max: 1200px;
}

/* Modo alto contraste */
.alto-contraste {
  --cor-fundo: #000000;
  --cor-fundo-alt: #1a1a1a;
  --cor-texto: #FFFF00;
  --cor-texto-suave: #FFFFFF;
  --cor-borda: #FFFF00;
  --cor-primaria: #00FFFF;
  --cor-secundaria: #FF00FF;
}

/* Aumentar texto */
.texto-grande { font-size: 1.25rem !important; }
.texto-muito-grande { font-size: 1.5rem !important; }

/* ===== RESET ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--cor-fundo);
  color: var(--cor-texto);
  line-height: 1.6;
  transition: var(--transicao);
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== HEADER ===== */
.header {
  background: var(--cor-fundo);
  border-bottom: 1px solid var(--cor-borda);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--sombra-suave);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cor-primaria);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-menu a {
  color: var(--cor-texto);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transicao);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--cor-primaria);
  border-bottom-color: var(--cor-primaria);
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--cor-primaria) 0%, #1E40AF 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  border-radius: 0 0 20px 20px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 8s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transicao);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--cor-secundaria);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-card);
  background: #059669;
}

.btn-secondary {
  background: var(--cor-primaria);
  color: white;
}

.btn-secondary:hover {
  background: var(--cor-primaria-dark);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--cor-primaria);
  color: var(--cor-primaria);
}

.btn-outline:hover {
  background: var(--cor-primaria);
  color: white;
}

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--cor-fundo);
  border: 1px solid var(--cor-borda);
  border-radius: var(--borda-radius);
  overflow: hidden;
  transition: var(--transicao);
  box-shadow: var(--sombra-suave);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-card);
  border-color: var(--cor-primaria);
}

.card-img {
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img img {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--cor-texto);
}

.card-text {
  color: var(--cor-texto-suave);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.card-meta {
  font-size: 0.85rem;
  color: var(--cor-texto-suave);
}

/* ===== FORMULÁRIOS ===== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--cor-borda);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transicao);
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--cor-primaria);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ===== FLASH MESSAGES ===== */
.flash-message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.flash-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.flash-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* ===== SENHA FORM ===== */
.senha-form-wrapper {
  background: #fffbeb;
  border: 2px dashed var(--cor-destaque);
  border-radius: var(--borda-radius);
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.senha-input {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 1.2rem !important;
}

/* ===== BOTÃO VER SENHA ===== */
.toggle-senha-btn {
    background: none !important;
    border: none !important;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--cor-texto-suave);
    padding: 0 8px;
    transition: color 0.2s;
}

.toggle-senha-btn:hover {
    color: var(--cor-primaria);
}

.toggle-senha-btn:focus {
    outline: 2px solid var(--cor-destaque);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Ajuste para input com botão */
.input-com-toggle {
    padding-right: 50px !important;
}

/* ===== SALA DE RECURSOS NEE ===== */
.sala-recursos-hero {
  background: linear-gradient(135deg, var(--cor-neee) 0%, #5B21B6 100%);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
  border-radius: 0 0 20px 20px;
}

.nee-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 2rem 1rem;
}

.nee-card {
  background: var(--cor-fundo);
  border-radius: var(--borda-radius);
  padding: 1.5rem;
  box-shadow: var(--sombra-suave);
  border-top: 4px solid var(--cor-neee);
  transition: var(--transicao);
}

.nee-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-card);
}

.nee-card h4 {
  color: var(--cor-neee);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== BARRA DE ACESSIBILIDADE ===== */
#barra-acessibilidade {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--cor-primaria);
  padding: 10px;
  border-radius: 50px;
  display: flex;
  gap: 8px;
  z-index: 9999;
  box-shadow: var(--sombra-card);
  flex-wrap: wrap;
  justify-content: center;
  max-width: 90vw;
}

#barra-acessibilidade button {
  background: white;
  border: none;
  padding: 8px 12px;
  border-radius: 25px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transicao);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

#barra-acessibilidade button:hover,
#barra-acessibilidade button[aria-pressed="true"] {
  background: var(--cor-secundaria);
  color: white;
  transform: scale(1.05);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--cor-fundo-alt);
  border-top: 1px solid var(--cor-borda);
  padding: 2rem 0;
  margin-top: 3rem;
  text-align: center;
  color: var(--cor-texto-suave);
}

/* ===== RESPONSIVO ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .cards-grid, .nee-cards { grid-template-columns: 1fr; }
  .header-content { flex-direction: column; }
  .nav-menu { justify-content: center; }
  #barra-acessibilidade {
    bottom: 10px;
    right: 10px;
    left: 10px;
    justify-content: center;
  }
}

/* ===== FOCO PARA ACESSIBILIDADE ===== */
a:focus, button:focus, input:focus {
  outline: 3px solid var(--cor-destaque);
  outline-offset: 2px;
}

/* ===== UTILITÁRIOS ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none; }