/* Importações e CSS Globais */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --primary-color: #0fb0d8;
  --primary-hover: #0d8aab;
  --logout-color: #e63946;
  --text-color: #333;
  --text-light: #f4f4f4;
  --bg-color: #f5f5f5;
  --card-bg: rgba(255, 255, 255, 0.6);
  --border-color: #ddd;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

/* CSS Gerais do Body  */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-color);
  background-image: url('../logoapp.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-color);
  display: flex; /* preencher a pagina */
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease; /* tempo de transiçao de cor */
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* CSS Cabeçalho e Rodapé */
header {
  background-color: #2c3e50;
  color: var(--text-light);
  padding: 1rem 2rem;
  display: flex; /* lado a lado */
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex; /* lado a lado */
  align-items: center;
  gap: 1.5rem; /* espaço entre */
}

/* CSS logo no cabeçalho */
.header-logo {
    height: 40px;
    margin-right: -15px;
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1; /* alinhamento */
}

nav ul {
  list-style: none;
  display: flex; /* lado a lado */
  justify-content: center;
  gap: 1.5rem; /* espaço entre */
  margin: 0; 
}

nav a {
  color: var(--text-light);
  font-weight: 500;
}

.user-actions {
  display: flex; /* lado a lado fav e logout*/
  align-items: center;
  gap: 1.5rem; /* espaço entre */
}

.header-icon {
  color: var(--text-light);
  font-size: 1.5rem;
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease; /* tempo de transiçao de cor */
}

.header-icon:hover {
  color: var(--primary-color);
  transform: scale(1.1); /* pequeno aumento do icone quando o mouse esta em cima */
  text-decoration: none;
}

.botao-login {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: background-color 0.3s ease;/* tempo de transiçao de cor pra acinzentado */
}

.botao-login:hover {
  background-color: var(--primary-hover);
  text-decoration: none;
  color: white;
}

footer {
  background-color: #2c3e50;
  color: var(--text-light);
  padding: 1rem 2rem;
  text-align: center;
}

/* CSS dos Forms e Conteúdo em Cards */
main {
  flex: 1; /* Preenchimento de tela */
  display: flex; /* Preenchimento de tela */
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.form-container, .content-card {
  background: var(--card-bg);
  backdrop-filter: blur(5px); /* Transparencia do login e cadastro */
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 32px 0 var(--shadow-color); /* sombras */
  border: 1px solid rgba(255, 255, 255, 0.18);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.content-card {
    max-width: 600px;
}

.form-container h1 {
  margin-bottom: 1.5rem;
}

.input-group {
  position: relative; /* Posiçao vertical dos icones hehe */
  margin-bottom: 1.5rem; 
  text-align: left;
}

.input-group i {
  position: absolute; /* Posiçao horizontal dos icones hehe */
  left: 15px;
  top: 50%;
  transform: translateY(-50%); /* transparencia 50 %*/
  color: #aaa;
  transition: color 0.3s ease;
}

.input-group input {
  width: 100%;
  padding: 12px 12px 12px 40px;
  border: 1px solid var(--border-color); /* Borda dos campos */
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input:focus {
  outline: none; /* Contorno para indicar que esta ativo */
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(15, 176, 216, 0.2); /* Cor da sombra */
}

.input-group input:focus + i { 
  color: var(--primary-color);
} /* Muda junto a cor dos icones da mesma forma quando está ativo */

.form-container button {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  transition: background-color 0.3s ease;
  margin-bottom: 1rem;
}

.form-container button:hover {
  background-color: var(--primary-hover);
}

.form-container .links p {
  margin-top: 1rem;
}

/* --- 5. Estilos da Página Principal --- */
.main-content {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

.main-content h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.filters {
  background-color: #f8f9fa;
  padding: 1rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid #e9ecef;
}

.search-bar {
  display: flex;
  width: 40%;
  max-width: 500px;
}

.search-bar input {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: 8px 0 0 8px;
  font-size: 1rem;
}
.search-bar input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(15, 176, 216, 0.2);
}

.search-bar button {
  padding: 0 15px;
  border: 1px solid var(--primary-color);
  background-color: var(--primary-color);
  color: white;
  cursor: pointer;
  border-radius: 0 8px 8px 0;
  font-size: 1.1rem;
}

.category-filter select {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 1rem;
}

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

.supplement-card {
  position: relative;
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px var(--shadow-color);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.supplement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.supplement-card img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 10px;
}

.supplement-card h3 {
  margin: 1rem 0 0.5rem 0;
}

.card-footer {
    padding: 0 1rem 1rem 1rem;
}

.buy-button {
  display: inline-block;
  padding: 10px 1.5rem;
  background-color: #28a745;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.buy-button:hover {
    background-color: #218838;
    text-decoration: none;
    color: white;
}

/* --- 6. Estilos de UI Dinâmica --- */
.hidden {
    display: none !important;
}

.favorite-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    color: #ccc;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.favorite-icon:hover {
    color: var(--logout-color);
    transform: scale(1.1);
    text-decoration: none;
}