/*
Theme Name: Shopgear
Theme URI: http://localhost/shopgear
Author: Chau
Author URI: http://localhost
Description: Theme bán đồ công nghệ xịn sò 
Version: 1.0
*/
:root {
  --primary: #0071e3;
  --black: #000000;
  --dark: #1d1d1f;
  --gray-bg: #f5f5f7;
  --border: #e5e5e7;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--dark);
  background: #fff;
  scroll-behavior: smooth;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- CSS CHO HEADER --- */
header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  text-decoration: none;
  color: #000;
  letter-spacing: -1px;
}

.logo span {
  color: var(--primary);
}

.search-bar {
  position: relative;
  flex: 0 0 400px;
  margin: 0 40px;
}

.search-bar input {
  width: 100%;
  padding: 10px 15px 10px 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--gray-bg);
  outline: none;
  transition: var(--transition);
}

.search-bar input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.search-bar i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
}

.nav-tools {
  display: flex;
  gap: 25px;
  align-items: center;
  font-size: 1.1rem;
}

.cart-icon {
  position: relative;
  cursor: pointer;
}

.cart-badge {
  position: absolute;
  left: -10px;
  right: -10px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

@media (max-width: 992px) {
  .search-bar {
    flex: 1;
    margin: 0 20px;
  }
}

@media (max-width: 600px) {
  .search-bar {
    display: none;
  }
}