/**
 * @name: default.css
 * @description:
 * @version: 1.0.0
 * @author: Baiya Wang
 * @date: 2025-11-02
 */

/* ================================
   CSS Variables - Light Theme
   ================================ */
:root {
    --primary-color: #c30d23;
    --primary-hover: #a00a1c;
    --secondary-color: #3d3632;

    --bg-primary: #faf8f5;
    --bg-secondary: #f3efe9;
    --bg-tertiary: #e9e3db;

    --text-primary: #2c2420;
    --text-secondary: #5c5450;
    --text-tertiary: #9a918a;
    --text-inverse: #ffffff;

    --border-color: #e0d8d0;
    --border-light: #ebe5de;

    --btn-primary-bg: #c30d23;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #a00a1c;

    --btn-secondary-bg: transparent;
    --btn-secondary-text: #3d3632;
    --btn-secondary-border: #3d3632;
    --btn-secondary-hover-bg: #3d3632;
    --btn-secondary-hover-text: #ffffff;

    --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.06);
    --shadow-md: 0 4px 12px rgba(44, 36, 32, 0.1);
    --shadow-lg: 0 12px 36px rgba(44, 36, 32, 0.12);

    --transition-speed: 0.3s;
}

/* ================================
   CSS Variables - Dark Theme
   ================================ */
[data-theme="dark"] {
    --primary-color: #d4af37;
    --primary-hover: #e5c44a;
    --secondary-color: #1a1714;

    --bg-primary: #1a1714;
    --bg-secondary: #23201b;
    --bg-tertiary: #2e2a24;

    --text-primary: #d4af37;
    --text-secondary: #e0dbd5;
    --text-tertiary: #8a847c;
    --text-inverse: #1a1714;

    --border-color: #3a3530;
    --border-light: #2e2a24;

    --btn-primary-bg: #d4af37;
    --btn-primary-text: #1a1714;
    --btn-primary-hover: #e5c44a;

    --btn-secondary-bg: transparent;
    --btn-secondary-text: #e0dbd5;
    --btn-secondary-border: #d4af37;
    --btn-secondary-hover-bg: #d4af37;
    --btn-secondary-hover-text: #1a1714;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.4);
}

/* ================================
   主題切換過渡效果 (Theme Transition)
   ================================ */
/* 只對需要主題切換過渡的元素套用，避免效能問題 */
body,
.navbar,
.card-custom,
.btn-primary-custom,
.btn-secondary-custom,
.theme-toggle-btn,
.dropdown-menu,
.dropdown-item,
.modal-content,
footer,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select,
.table,
.table thead th,
.alert,
.breadcrumb {
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease,
                border-color var(--transition-speed) ease;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ;??W */
h1, h2, h3, h4, h5, h6,
.text-primary-custom {
    color: var(--text-primary);
}

/* !??W */
p, span, label {
    color: var(--text-secondary);
}

/* 按鈕內元素繼承按鈕顏色 */
.btn span, .btn i, .btn label {
    color: inherit;
}

/* 
???W */
small, .text-muted-custom {
    color: var(--text-tertiary);
}

/* ================================
   	#
   ================================ */

/* ;?	 */
.btn-primary-custom {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 2px solid var(--btn-primary-bg);
    padding: 0.5rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-primary-custom:hover {
    background-color: var(--btn-primary-hover);
    border-color: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* !?	 */
.btn-secondary-custom {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    padding: 0.5rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-secondary-custom:hover {
    background-color: var(--btn-secondary-hover-bg);
    color: var(--btn-secondary-hover-text);
    border-color: var(--btn-secondary-hover-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ;L?	 */
.theme-toggle-btn {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle-btn:hover {
    background-color: var(--btn-secondary-hover-bg);
    color: var(--btn-secondary-hover-text);
    border-color: var(--btn-secondary-hover-bg);
    transform: scale(1.05);
}

.theme-toggle-btn i {
    font-size: 1.2rem;
}

/* ================================
   aG#
   ================================ */
.card-custom {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) ease;
}

.card-custom:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

/* ================================
   8eF#
   ================================ */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    transition: all var(--transition-speed) ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

/* TM&?W */
input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

/* ================================
   *#??
   ================================ */
.navbar {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

/* 導覽列固定效果 */
#Pages_Menu.navbar-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] #Pages_Menu.navbar-sticky {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 導覽列佔位元素 */
.navbar-placeholder {
    display: none;
}

.navbar-placeholder.active {
    display: block;
}

.navbar .nav-link {
    color: var(--text-secondary) !important;
    transition: color var(--transition-speed) ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--primary-color) !important;
}

.navbar-light .navbar-toggler {
    border-color: var(--border-color);
}

/* ================================
   ?x?#
   ================================ */
.dropdown-menu {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.dropdown-item {
    color: var(--text-secondary);
    transition: all var(--transition-speed) ease;
}

.dropdown-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-color);
}

.dropdown-divider {
    border-color: var(--border-color);
}

/* ================================
   Multi-level Dropdown Menu
   ================================ */

/* 桌面版：巢狀下拉選單 */
@media (min-width: 992px) {
    /* 主下拉選單 hover 觸發 */
    .navbar-nav .dropdown:hover > .dropdown-menu {
        display: block;
        margin-top: 0;
    }

    /* 防止點擊時跳轉 */
    .navbar-nav .dropdown > .dropdown-toggle {
        cursor: pointer;
    }

    .dropdown-submenu {
        position: relative;
    }

    .dropdown-submenu > .dropdown-menu {
        top: 0;
        left: 100%;
        margin-top: -1px;
        margin-left: 0;
        display: none;
    }

    .dropdown-submenu:hover > .dropdown-menu,
    .dropdown-submenu > .dropdown-menu.show {
        display: block;
    }

    .dropdown-submenu > .dropdown-toggle::after {
        content: '';
        border: solid var(--text-secondary);
        border-width: 0 2px 2px 0;
        display: inline-block;
        padding: 3px;
        transform: rotate(-45deg);
        position: absolute;
        right: 1rem;
        top: 50%;
        margin-top: -4px;
    }

    .dropdown-submenu > .dropdown-toggle:hover::after {
        border-color: var(--primary-color);
    }

    /* 多層級選單最小寬度 */
    .dropdown-menu.multi-level {
        min-width: 220px;
    }

    .dropdown-menu.multi-level .dropdown-menu {
        min-width: 200px;
    }
}

/* 手機版多層級選單面板 */
.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--bg-primary);
    z-index: 1060;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu-panel.open {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    min-height: 60px;
}

.mobile-menu-back {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: opacity 0.2s ease;
}

.mobile-menu-back:hover {
    opacity: 0.8;
}

.mobile-menu-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s ease;
}

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

.mobile-menu-content {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.mobile-menu-levels {
    display: flex;
    transition: transform 0.3s ease;
    height: 100%;
}

.mobile-menu-level {
    min-width: 100%;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-item a {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.2s ease;
}

.mobile-menu-item a:hover {
    background-color: var(--bg-tertiary);
}

.mobile-menu-item.has-children a {
    padding-right: 0.5rem;
}

.mobile-menu-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 100%;
    padding: 1rem 0;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.mobile-menu-arrow:hover {
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1055;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* 桌面版隱藏手機選單 */
@media (min-width: 992px) {
    .mobile-menu-panel,
    .mobile-menu-overlay {
        display: none !important;
    }
}

/* 頁尾樣式已移至 footer.css */

/* ================================
   h<#
   ================================ */
.table {
    color: var(--text-secondary);
}

.table thead th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.table tbody td {
    border-color: var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--bg-tertiary);
}

.table-hover tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* ================================
   Bootstrap D???
   ================================ */

/* Alert */
.alert {
    border-color: var(--border-color);
}

/* Badge */
.badge {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

/* Breadcrumb */
.breadcrumb {
    background-color: var(--bg-secondary);
}

.breadcrumb-item a {
    color: var(--primary-color);
}

/* Modal */
.modal-content {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

.modal-header {
    border-color: var(--border-color);
}

.modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-content {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-title {
    color: var(--text-primary);
}

/* ================================
   List Group 樣式
   ================================ */
.list-group-item {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
    transition: all var(--transition-speed) ease;
}

.list-group-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-color);
}

.list-group-item.active {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

/* ================================
   頭像樣式 (Avatar)
   ================================ */
.avatar-container {
    display: inline-block;
    position: relative;
}

.avatar {
    border-radius: 50%;
    border: 2px solid var(--border-color);
    object-fit: cover;
    background-color: var(--bg-secondary);
    transition: border-color var(--transition-speed) ease;
}

.avatar:hover {
    border-color: var(--primary-color);
}

.avatar-sm {
    width: 32px;
    height: 32px;
}

.avatar-md {
    width: 64px;
    height: 64px;
}

.avatar-lg {
    width: 100px;
    height: 100px;
    border-width: 3px;
}

.avatar-xl {
    width: 150px;
    height: 150px;
    border-width: 4px;
}

.avatar-edit-btn {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--bg-secondary);
    background-color: var(--primary-color);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    font-size: 14px;
}

.avatar-edit-btn:hover {
    background-color: var(--primary-hover);
    transform: scale(1.1);
}

.avatar-edit-btn:active {
    transform: scale(0.95);
}

/* 頭像選擇網格 */
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
    padding: 4px;
}

.avatar-option {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    background-color: var(--bg-secondary);
}

.avatar-option:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
}

.avatar-option.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(195, 13, 35, 0.25);
}

[data-theme="dark"] .avatar-option.selected {
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
}

/* ================================
   聊天訊息樣式 (Chat)
   ================================ */
.chat-messages {
    height: 350px;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background-color: var(--bg-primary);
    border-radius: 8px;
}

[data-theme="dark"] .chat-messages {
    background-color: var(--bg-tertiary);
}

.chat-message {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    word-wrap: break-word;
}

.chat-message.sent {
    align-self: flex-end;
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-bottom-right-radius: 4px;
}

.chat-message.received {
    align-self: flex-start;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border-bottom-left-radius: 4px;
}

[data-theme="dark"] .chat-message.received {
    background-color: var(--bg-tertiary);
}

.chat-message .message-sender {
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 4px;
    opacity: 0.8;
}

.chat-message .message-content {
    white-space: pre-wrap;
}

.chat-message .message-time {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 4px;
    text-align: right;
}

/* 聊天輸入區域 */
.chat-input-area {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.chat-input-area .form-control {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.chat-input-area .form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--text-secondary);
    box-shadow: 0 0 0 0.2rem rgba(195, 13, 35, 0.25);
}

[data-theme="dark"] .chat-input-area .form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

/* ================================
   狀態徽章 (Status Badges)
   ================================ */
.badge-status-pending {
    background-color: var(--text-tertiary);
    color: var(--text-inverse);
}

.badge-status-processing {
    background-color: #0dcaf0;
    color: #000;
}

.badge-status-waiting {
    background-color: #ffc107;
    color: #000;
}

.badge-status-completed {
    background-color: #198754;
    color: #fff;
}

/* ================================
   Bootstrap Form Control 主題支援
   ================================ */
.form-control {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.form-control:focus {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(195, 13, 35, 0.25);
}

[data-theme="dark"] .form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

/* ================================
   Bootstrap Form Select 主題支援
   ================================ */
.form-select {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.form-select:focus {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(195, 13, 35, 0.25);
}

[data-theme="dark"] .form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

/* 暗色主題下拉選單箭頭顏色 */
[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-select option {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.form-select:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-color: var(--border-color);
    opacity: 1;
    cursor: not-allowed;
}

/* ================================
   表單停用狀態
   ================================ */
.form-control:disabled,
.form-control[readonly] {
    background-color: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-color: var(--border-color);
    opacity: 1;
    cursor: not-allowed;
}

/* ================================
   Card 主題支援
   ================================ */
.card {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    transition: background-color var(--transition-speed) ease,
                border-color var(--transition-speed) ease;
}

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
    color: var(--text-primary);
}

.card-body {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.card-footer {
    background-color: var(--bg-tertiary);
    border-top-color: var(--border-color);
}

/* ================================
   	e?k
   ================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* ================================
   ??-
   ================================ */
/* ================================
   收縮式搜尋功能 (Collapsible Search)
   ================================ */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-toggle-btn {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-toggle-btn:hover {
    background-color: var(--btn-secondary-hover-bg);
    color: var(--btn-secondary-hover-text);
    border-color: var(--btn-secondary-hover-bg);
    transform: scale(1.05);
}

.search-toggle-btn i {
    font-size: 1.1rem;
}

.search-form {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    visibility: hidden;
    width: 0;
    overflow: hidden;
    transition: all var(--transition-speed) ease;
    background-color: var(--bg-secondary);
    border-radius: 0.375rem;
    padding: 0;
}

.search-container.expanded .search-toggle-btn {
    opacity: 0;
    visibility: hidden;
    position: absolute;
}

.search-container.expanded .search-form {
    opacity: 1;
    visibility: visible;
    width: auto;
    padding: 0.25rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.search-input {
    width: 200px;
    min-width: 150px;
    border: none !important;
    box-shadow: none !important;
    background-color: transparent !important;
    padding: 0.375rem 0.75rem !important;
}

.search-input:focus {
    box-shadow: none !important;
    border: none !important;
}

.search-submit-btn {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: none;
    padding: 0.375rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.search-submit-btn:hover {
    background-color: var(--btn-primary-hover);
    transform: scale(1.05);
}

.search-submit-btn i {
    font-size: 0.9rem;
}

/* ================================
   搜尋建議 (Search Suggestions / Autocomplete)
   ================================ */
.search-suggestions {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    width: 360px;
    max-height: 480px;
    overflow-y: auto;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1050;
}

.search-suggestions-list {
    padding: 0.25rem 0;
}

.search-suggestion-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: var(--text-secondary);
    transition: background-color 0.15s ease;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
}

.search-suggestion-item:last-child {
    border-bottom: none;
}

.search-suggestion-item:hover,
.search-suggestion-item.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
}

.suggestion-image {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 0.25rem;
    overflow: hidden;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.suggestion-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.suggestion-image .no-image {
    color: var(--text-tertiary);
    font-size: 1.5rem;
}

.suggestion-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.suggestion-model {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-name {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.15rem;
}

.search-suggestion-item mark {
    background-color: rgba(195, 13, 35, 0.15);
    color: #c30d23;
    padding: 0;
    border-radius: 2px;
}

[data-theme="dark"] .search-suggestion-item mark {
    background-color: rgba(212, 175, 55, 0.2);
    color: #d4af37;
}

/* ================================
   響應式設計
   ================================ */
@media (max-width: 768px) {
    .theme-toggle-btn {
        padding: 0.4rem 0.6rem;
    }

    .theme-toggle-btn span {
        display: none;
    }

    .search-input {
        width: 150px;
        min-width: 120px;
    }

    .search-container.expanded .search-form {
        right: -40px;
    }

    .search-suggestions {
        width: calc(100vw - 2rem);
        right: -40px;
        max-height: 60vh;
    }
}