/* public/css/layout/header.css */

/* ==================== 基礎樣式 ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition:
    background-color 0.4s ease,
    box-shadow 0.4s ease,
    backdrop-filter 0.4s ease;
}

.desktop-header {
  display: block;
}

.mobile-header,
.mobile-menu,
.mobile-menu-overlay {
  display: none;
}

.mobile-container {
  margin: 0 auto;
  padding: 0 20px;
}

.header-top-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
  min-height: 80px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-center-logo {
  text-align: center;
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

.header-nav-row {
  padding: 15px 0;
}

/* ==================== Logo 樣式 ==================== */
.logo {
  position: relative;
  margin: 15px 0 10px 0;
}

.logo a {
  display: inline-block;
  position: relative;
  transition: opacity 0.3s ease;
}

.logo a:hover {
  opacity: 0.8;
}

.logo-white,
.logo-color {
  height: 60px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

/* 預設顯示彩色 Logo */
.logo-white {
  display: none;
}

.logo-color {
  display: block;
}

/* ==================== 導航樣式 ==================== */
.main-nav {
  display: flex;
  justify-content: center;
}

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 10px;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.3s ease;
  position: relative;
}

.header-utility-link {
  padding: 8px 16px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

/* ==================== 購物車樣式 (電腦版) ==================== */
.cart-icon {
  position: relative;
}

.cart-icon a {
  padding: 8px 16px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}

.cart-text {
  display: inline;
}

.cart-icon-mobile {
  display: none;
}

.cart-count {
  display: inline;
}

.cart-count::before {
  content: "(";
}

.cart-count::after {
  content: ")";
}

.cart-badge {
  display: none !important;
}

/* ==================== 會員資訊 ==================== */
.user-account {
  position: relative;
}

.user-account > a {
  display: block;
  padding: 8px 16px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.dropdown-menu {
  position: absolute;
  z-index: 1001;
  top: 100%;
  right: 0;
  margin-top: 10px;
  background-color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease,
    visibility 0.3s ease;
  overflow: hidden;
}

.user-account:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 12px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.3s ease;
}

.dropdown-menu a:hover {
  background-color: var(--color-bg-subtle);
}

.dropdown-menu hr {
  margin: 0;
  border: none;
  border-top: 1px solid var(--color-border-light);
}

.auth-links {
  display: flex;
  gap: 10px;
  align-items: center;
}

.auth-links a {
  padding: 8px 16px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

/* ==================== 首頁專屬樣式 ==================== */
/* 首頁未滾動時:透明背景 */
body.is-home .site-header[data-page="home"]:not(.scrolled) {
  background-color: transparent;
  backdrop-filter: blur(0px);
  box-shadow: none;
}

/* 首頁未滾動時:白色文字 */
body.is-home .site-header[data-page="home"]:not(.scrolled) .main-nav a,
body.is-home .site-header[data-page="home"]:not(.scrolled) .header-utility-link,
body.is-home .site-header[data-page="home"]:not(.scrolled) .user-account > a,
body.is-home .site-header[data-page="home"]:not(.scrolled) .auth-links a,
body.is-home .site-header[data-page="home"]:not(.scrolled) .cart-icon a {
  color: var(--color-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 首頁未滾動時:Hover 效果 */
body.is-home .site-header[data-page="home"]:not(.scrolled) .main-nav a:hover,
body.is-home
  .site-header[data-page="home"]:not(.scrolled)
  .header-utility-link:hover,
body.is-home
  .site-header[data-page="home"]:not(.scrolled)
  .user-account
  > a:hover,
body.is-home .site-header[data-page="home"]:not(.scrolled) .auth-links a:hover,
body.is-home .site-header[data-page="home"]:not(.scrolled) .cart-icon a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

/* 首頁未滾動時:顯示白色 Logo */
body.is-home .site-header[data-page="home"]:not(.scrolled) .logo-white {
  display: block;
}

body.is-home .site-header[data-page="home"]:not(.scrolled) .logo-color {
  display: none;
}

/* ==================== 其他頁面專屬樣式 ==================== */
body.is-inner .site-header[data-page="inner"],
body.is-inner .site-header[data-page="inner"].scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

body.is-inner .site-header[data-page="inner"] .main-nav a,
body.is-inner .site-header[data-page="inner"] .header-utility-link,
body.is-inner .site-header[data-page="inner"] .user-account > a,
body.is-inner .site-header[data-page="inner"] .auth-links a,
body.is-inner .site-header[data-page="inner"] .cart-icon a {
  color: var(--color-primary);
  text-shadow: none;
}

body.is-inner .site-header[data-page="inner"] .main-nav a:hover,
body.is-inner .site-header[data-page="inner"] .header-utility-link:hover {
  background-color: rgba(107, 78, 155, 0.1);
  color: #6b4e9b;
}

body.is-inner .site-header[data-page="inner"] .user-account > a:hover,
body.is-inner .site-header[data-page="inner"] .auth-links a:hover,
body.is-inner .site-header[data-page="inner"] .cart-icon a:hover {
  background-color: rgba(107, 78, 155, 0.2);
}

body.is-inner .site-header[data-page="inner"] .logo-white {
  display: none;
}

body.is-inner .site-header[data-page="inner"] .logo-color {
  display: block;
}

/* ==================== 滾動後統一樣式 ==================== */
.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.site-header.scrolled .main-nav a,
.site-header.scrolled .header-utility-link,
.site-header.scrolled .user-account > a,
.site-header.scrolled .auth-links a,
.site-header.scrolled .cart-icon a {
  color: var(--color-primary);
  text-shadow: none;
}

.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .header-utility-link:hover {
  background-color: rgba(107, 78, 155, 0.1);
  color: #6b4e9b;
}

.site-header.scrolled .user-account > a:hover,
.site-header.scrolled .auth-links a:hover,
.site-header.scrolled .cart-icon a:hover {
  background-color: rgba(107, 78, 155, 0.2);
}

.site-header.scrolled .logo-white {
  display: none;
}

.site-header.scrolled .logo-color {
  display: block;
}

/* ==================== Laptop: 769px - 1024px ==================== */
@media (max-width: 1024px) {
  /* 切換到手機版 Header */
  .desktop-header {
    display: none !important;
  }

  .mobile-header {
    display: flex !important;
  }

  /* 手機版強制白色背景 */
  .site-header,
  body.is-home .site-header[data-page="home"]:not(.scrolled),
  body.is-inner .site-header[data-page="inner"] {
    background-color: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
  }

  /* ==================== 手機版 Header ==================== */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 15px;
  }

  /* ==================== 漢堡選單按鈕 ==================== */
  .hamburger-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
    transition: background-color 0.3s ease;
  }

  .hamburger-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }

  .hamburger-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
    border-radius: 2px;
  }

  .hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .hamburger-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  /* ==================== 手機版 Logo ==================== */
  .mobile-logo {
    flex: 1;
    text-align: center;
  }

  .mobile-logo img {
    height: 45px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
  }

  /* ==================== 手機版購物車 ==================== */
  .mobile-cart a {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 40px;
    height: 40px;
    color: var(--color-text);
    transition: background-color 0.3s ease;
    text-decoration: none;
  }

  .mobile-cart a:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }

  .mobile-cart .cart-icon-mobile {
    font-size: 20px;
    display: inline-block;
  }

  .mobile-cart .cart-badge {
    display: flex !important;
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--color-black);
    color: var(--color-white);
    font-size: 11px;
    min-width: 18px;
    height: 18px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 2px;
    line-height: 1;
  }

  .mobile-cart .cart-badge:empty,
  .mobile-cart .cart-badge[data-count="0"] {
    display: none !important;
  }

  /* ==================== 側邊選單遮罩 ==================== */
  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1998;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .mobile-menu-overlay.active {
    display: block;
    opacity: 1;
  }

  /* ==================== 側邊選單 ==================== */
  .mobile-menu {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 80%;
    max-width: 320px;
    background-color: var(--color-white);
    z-index: 1999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  }

  .mobile-menu.active {
    transform: translateX(0);
  }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--color-border-light);
    background-color: var(--color-bg-subtle);
  }

  .mobile-menu-title {
    font-size: 18px;
    color: var(--color-text);
  }

  .mobile-menu-close {
    background: none;
    color: var(--color-text);
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.3s ease;
  }

  .mobile-menu-close:hover {
    color: var(--color-black);
  }

  .mobile-menu-content {
    padding: 0;
  }

  .mobile-menu-nav,
  .mobile-menu-utility,
  .mobile-menu-user {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .mobile-menu-link {
    display: block;
    padding: 16px 20px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 16px;
    transition:
      background-color 0.3s ease,
      color 0.3s ease;
    border-left: 3px solid transparent;
  }

  .mobile-menu-link:hover,
  .mobile-menu-link:active {
    background-color: var(--color-bg-subtle);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
  }

  .mobile-menu-divider {
    margin: 10px 0;
    border: none;
    border-top: 1px solid var(--color-border-light);
  }

  .mobile-menu-user-name {
    padding: 16px 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-subtle);
  }

  /* 選單內取代 footer 欄位的群組 */
  .mobile-menu-group-title {
    margin: 0;
    padding: 12px 20px 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
  }

  .mobile-menu-text {
    padding: 4px 20px 16px;
  }

  .mobile-menu-text p {
    margin: 0 0 8px;
    font-size: 13px;
    line-height: 1.6;
    color: #888;
  }

  body.mobile-menu-open {
    overflow: hidden;
  }
}

/* ==================== Tablet: 481px - 768px ==================== */
@media (max-width: 768px) {
  .mobile-container {
    padding: 0 15px;
  }

  .mobile-logo img {
    height: 42px;
    max-width: 140px;
  }

  .mobile-menu {
    width: 82%;
  }
}

/* ==================== Mobile: 480px 以下 ==================== */
@media (max-width: 480px) {
  .mobile-container {
    padding: 0 12px;
  }

  .mobile-header {
    padding: 10px 0;
  }

  .mobile-logo img {
    height: 40px;
    max-width: 120px;
  }

  .mobile-cart .cart-icon-mobile {
    font-size: 18px;
  }

  .mobile-cart .cart-badge {
    font-size: 10px;
    min-width: 16px;
    height: 16px;
  }

  .mobile-menu {
    width: 85%;
  }

  .hamburger-btn {
    width: 36px;
    height: 36px;
  }

  .hamburger-btn span {
    width: 22px;
  }
}