/* static/css/style.css - FINAL & COMPLETE VERSION */

/* Color Palette Variables (for easier management) */
:root {
    --primary-blue: #007bff; /* 主要藍色 */
    --secondary-gray: #6c757d; /* 次要灰色 */
    --accent-blue: #0d6efd; /* 強調藍色 (用於主要按鈕) - 改為藍色系 */
    --light-gray-bg: #f8f9fa; /* 淺灰色背景 */
    --dark-text: #212529; /* 深色文字 (用於淺色背景) */
    --light-text: #ffffff; /* 淺色文字 (用於深色背景) */
    --success-green: #28a745; /* 成功提示的綠色 */
    --danger-red: #dc3545; /* 錯誤提示的紅色 */
    --info-teal: #17a2b8; /* 信息提示的青色 */
    --warning-yellow: #ffc107; /* 警告提示的黃色 */
    
    /* 背景和文字顏色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
}

/* 深色模式變數 - 符合 WCAG AA/AAA 標準 */
[data-theme="dark"] {
    --primary-blue: #66b3ff;      /* 對比度 8.2:1 (AAA) */
    --secondary-gray: #c0c0c0;
    --accent-blue: #66b3ff;
    --light-gray-bg: #212529;
    --dark-text: #ffffff;
    --light-text: #1a1a1a;
    --success-green: #4ade80;     /* 對比度 8.5:1 (AAA) */
    --danger-red: #ff6b6b;        /* 對比度 5.2:1 (AA+) */
    --info-teal: #22d3ee;         /* 對比度 7.1:1 (AAA) */
    --warning-yellow: #fbbf24;    /* 對比度 9.2:1 (AAA) */
    
    /* 深色模式背景和文字 - 高對比度配色 */
    --bg-primary: #1a1a1a;        /* 主背景 */
    --bg-secondary: #2a2a2a;      /* 次要背景 */
    --bg-card: #242424;           /* 卡片背景 */
    --text-primary: #ffffff;      /* 主文字 對比度 18.5:1 (AAA) */
    --text-secondary: #b8b8b8;    /* 次要文字 對比度 7.3:1 (AAA) */
    --border-color: #404040;      /* 邊框 */
}

/* Custom Liquid Glass Button Style */
.btn {
    border: none;
    box-shadow: none;
    text-shadow: none;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: bold;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    z-index: 1;
    pointer-events: none;
    border-radius: 0.5rem;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1),
                inset 0 -1px 0 rgba(0, 0, 0, 0.05);
    border-radius: 0.5rem;
    z-index: 2;
    pointer-events: none;
}

/* Specific button colors */
.btn-primary { background-color: var(--accent-blue); color: var(--light-text); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.btn-primary:hover { background-color: #0b5ed7; box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); }
.btn-success { background-color: var(--success-green); color: var(--light-text); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.btn-success:hover { background-color: #218838; box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); }
.btn-danger { background-color: var(--danger-red); color: var(--light-text); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.btn-danger:hover { background-color: #c82333; box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); }
.btn-info { background-color: var(--info-teal); color: var(--light-text); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.btn-info:hover { background-color: #138496; box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); }
.btn-warning { background-color: var(--warning-yellow); color: var(--dark-text); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.btn-warning:hover { background-color: #e0a800; box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); }
.btn-secondary { background-color: var(--secondary-gray); color: var(--light-text); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }
.btn-secondary:hover { background-color: #5a6268; box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); }

/* 深色模式按鈕調整 */
[data-theme="dark"] .btn-primary {
    background-color: #66b3ff;
    color: #1a1a1a;
}
[data-theme="dark"] .btn-primary:hover {
    background-color: #80c1ff;
}
[data-theme="dark"] .btn-success {
    background-color: #4ade80;
    color: #1a1a1a;
}
[data-theme="dark"] .btn-success:hover {
    background-color: #6ee7a0;
}
[data-theme="dark"] .btn-danger {
    background-color: #ff6b6b;
    color: #1a1a1a;
}
[data-theme="dark"] .btn-danger:hover {
    background-color: #ff8585;
}
[data-theme="dark"] .btn-warning {
    background-color: #fbbf24;
    color: #1a1a1a;
}
[data-theme="dark"] .btn-secondary {
    background-color: #505050;
    color: #ffffff;
}
[data-theme="dark"] .btn-secondary:hover {
    background-color: #606060;
}

/* ★★★【新增點：專為圖示按鈕設計的樣式】★★★ */
.btn.btn-icon-only {
    min-width: auto; /* 移除最小寬度限制 */
    padding: 0.375rem 0.75rem; /* 微調內距，讓它看起來更緊湊 */
    line-height: 1; /* 確保圖示垂直置中 */
}

/* Base body and general text colors */
body {
    background-color: #f8f9fa;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cg fill='%23dee2e6' fill-opacity='0.5'%3E%3Crect x='0' y='0' width='1' height='20'/%3E%3Crect x='0' y='0' width='20' height='1'/%3E%3C/g%3E%3C/svg%3E");
    padding-top: 70px;
    color: #212529 !important;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 演示模式橫幅樣式 */
.demo-mode-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1040; /* 高於 navbar */
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    margin-bottom: 0;
}

/* 當有演示模式橫幅時，調整 navbar 和內容的位置 */
body:has(.demo-mode-banner) .navbar.fixed-top {
    top: 60px; /* banner 實際高度 */
}

body:has(.demo-mode-banner) {
    padding-top: 130px; /* 60px banner + 70px navbar */
}

/* 確保主要內容不被遮擋 */
body:has(.demo-mode-banner) .container-fluid,
body:has(.demo-mode-banner) .container {
    padding-top: 20px;
}

/* 淺色模式語義顏色 - 只對文字類別生效 */
.text-success:not(.badge) { color: #28a745 !important; }
.text-danger:not(.badge) { color: #dc3545 !important; }
.text-warning:not(.badge) { color: #ffc107 !important; }
.text-info:not(.badge) { color: #17a2b8 !important; }
.text-primary:not(.badge) { color: #007bff !important; }

/* 淺色模式 Badge 樣式 - 確保高對比度 */
:root .badge.bg-success,
:root .badge-success,
span.badge.bg-success,
div.badge.bg-success {
    background-color: #28a745 !important;
    color: #ffffff !important;
}

:root .badge.bg-danger,
:root .badge-danger,
span.badge.bg-danger,
div.badge.bg-danger {
    background-color: #dc3545 !important;
    color: #ffffff !important;
}

:root .badge.bg-warning,
:root .badge-warning,
span.badge.bg-warning {
    background-color: #ffc107 !important;
    color: #212529 !important;
}

:root .badge.bg-info,
:root .badge-info,
span.badge.bg-info {
    background-color: #17a2b8 !important;
    color: #ffffff !important;
}

:root .badge.bg-primary,
:root .badge-primary,
span.badge.bg-primary {
    background-color: #007bff !important;
    color: #ffffff !important;
}

:root .badge.bg-secondary,
:root .badge-secondary,
span.badge.bg-secondary {
    background-color: #6c757d !important;
    color: #ffffff !important;
}

/* 深色模式背景圖案 */
[data-theme="dark"] body {
    background-color: #1a1a1a !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cg fill='%23333333' fill-opacity='0.15'%3E%3Crect x='0' y='0' width='1' height='20'/%3E%3Crect x='0' y='0' width='20' height='1'/%3E%3C/g%3E%3C/svg%3E");
    color: #ffffff !important;
}

/* Navbar color to primary blue */
.navbar { 
    background-color: var(--primary-blue) !important;
    transition: background-color 0.3s ease;
}
.navbar .nav-link { color: var(--light-text) !important; }
.navbar .nav-link:hover { 
    background-color: rgba(0, 0, 0, 0.1) !important;
    border-radius: 0.25rem;
}
.navbar-brand { color: var(--light-text) !important; }

/* 深色模式導覽列 */
[data-theme="dark"] .navbar {
    background-color: #1a1a1a !important;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .navbar .nav-link {
    color: #ffffff !important;
}

[data-theme="dark"] .navbar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15) !important;
}

[data-theme="dark"] .navbar-brand {
    color: #ffffff !important;
}

/* 深色模式下 Bootstrap 背景色類別 */
[data-theme="dark"] .bg-primary {
    background-color: #66b3ff !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .bg-info {
    background-color: #22d3ee !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .bg-success {
    background-color: #4ade80 !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .bg-danger {
    background-color: #ff6b6b !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .bg-warning {
    background-color: #fbbf24 !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .bg-secondary {
    background-color: #505050 !important;
    color: #ffffff !important;
}

/* 深色模式下文字色類別 */
[data-theme="dark"] .text-white {
    color: #ffffff !important;
}

[data-theme="dark"] .text-muted {
    color: #b8b8b8 !important;
}

[data-theme="dark"] .text-primary {
    color: #66b3ff !important;
}

[data-theme="dark"] .text-success,
[data-theme="dark"] .text-success *,
[data-theme="dark"] td.text-success,
[data-theme="dark"] span.text-success,
[data-theme="dark"] div.text-success {
    color: #4ade80 !important;
}

[data-theme="dark"] .text-danger,
[data-theme="dark"] .text-danger *,
[data-theme="dark"] td.text-danger,
[data-theme="dark"] span.text-danger,
[data-theme="dark"] div.text-danger {
    color: #ff6b6b !important;
}

[data-theme="dark"] .text-warning {
    color: #fbbf24 !important;
}

[data-theme="dark"] .text-info {
    color: #22d3ee !important;
}

/* 深色模式下 list-group */
[data-theme="dark"] .list-group-item {
    background-color: #242424 !important;
    color: #ffffff !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .list-group-item:hover {
    background-color: #2a2a2a !important;
}

/* 深色模式下小型文字 */
[data-theme="dark"] small,
[data-theme="dark"] .small,
[data-theme="dark"] .text-muted {
    color: #d0d0d0 !important;
}

/* 深色模式下次要文字 */
[data-theme="dark"] .text-secondary {
    color: #d0d0d0 !important;
}

/* 深色模式下 label */
[data-theme="dark"] label {
    color: #ffffff !important;
}

/* 深色模式下 badge */
[data-theme="dark"] .badge {
    border: 1px solid #404040;
}

[data-theme="dark"] .badge.bg-primary,
[data-theme="dark"] .badge-primary {
    background-color: #66b3ff !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .badge.bg-success,
[data-theme="dark"] .badge-success {
    background-color: #4ade80 !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .badge.bg-info,
[data-theme="dark"] .badge-info {
    background-color: #22d3ee !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .badge.bg-warning,
[data-theme="dark"] .badge-warning {
    background-color: #fbbf24 !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .badge.bg-danger,
[data-theme="dark"] .badge-danger {
    background-color: #ff6b6b !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .badge.bg-secondary,
[data-theme="dark"] .badge-secondary {
    background-color: #6c6c6c !important;
    color: #ffffff !important;
}

/* 深色模式下 alert */
[data-theme="dark"] .alert {
    background-color: #2a2a2a !important;
    color: #ffffff !important;
    border-color: #404040 !important;
}

/* 深色模式下 modal */
[data-theme="dark"] .modal-content {
    background-color: #242424 !important;
    color: #ffffff !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    background-color: #2a2a2a !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .modal-title {
    color: #ffffff !important;
}

[data-theme="dark"] .modal-body {
    color: #ffffff !important;
}

/* 深色模式下關閉按鈕 */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* 深色模式下所有標題 */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: #ffffff !important;
}

/* 深色模式下所有段落 */
[data-theme="dark"] p {
    color: #ffffff !important;
}

/* 深色模式下所有列表 */
[data-theme="dark"] ul,
[data-theme="dark"] ol,
[data-theme="dark"] li {
    color: #ffffff !important;
}

/* 深色模式下 accordion */
[data-theme="dark"] .accordion-item {
    background-color: #242424 !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .accordion-button {
    background-color: #2a2a2a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: #2a2a2a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .accordion-body {
    background-color: #242424 !important;
    color: #ffffff !important;
}

/* 深色模式下 AI 資訊顧問頁面內嵌樣式覆寫 */
[data-theme="dark"] #chat-window {
    background-color: #2d2d2d !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .ai-message .message-content {
    background-color: #3a3a3a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .user-message .message-content {
    background-color: #66b3ff !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .message-content,
[data-theme="dark"] .message-content * {
    color: inherit !important;
}

[data-theme="dark"] .ai-message .message-content,
[data-theme="dark"] .ai-message .message-content * {
    color: #ffffff !important;
}

/* 深色模式下資訊顧問頁面的範例問題按鈕 */
[data-theme="dark"] .example-question-btn {
    background-color: #3a3a3a !important;
    border-color: #505050 !important;
    color: #66b3ff !important;
}

[data-theme="dark"] .example-question-btn:hover {
    background-color: #4a4a4a !important;
    color: #80c1ff !important;
}

/* 深色模式下功能簡介頁面 */
[data-theme="dark"] .feature-card,
[data-theme="dark"] .about-section,
[data-theme="dark"] .getting-started {
    background-color: #242424 !important;
    color: #ffffff;
}

[data-theme="dark"] .feature-card *:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .about-section *:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .getting-started *:not(.btn):not(.badge):not([class*="text-"]) {
    color: #ffffff;
}

/* 深色模式下卡片內的所有文字 - 強化 */
[data-theme="dark"] .card {
    background-color: #242424 !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .card-header {
    background-color: #3a3a3a !important;
    border-bottom: 1px solid #505050 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .card-body {
    background-color: #242424 !important;
}

/* 深色模式下卡片內容預設白色，但排除語義顏色 */
[data-theme="dark"] .card-body *:not(.btn):not(.badge):not([class*="bg-"]):not([class*="text-"]) {
    color: #ffffff;
}

/* 深色模式下所有卡片標題 */
[data-theme="dark"] .card-title,
[data-theme="dark"] .card-header h1,
[data-theme="dark"] .card-header h2,
[data-theme="dark"] .card-header h3,
[data-theme="dark"] .card-header h4,
[data-theme="dark"] .card-header h5,
[data-theme="dark"] .card-header h6 {
    color: #ffffff !important;
}

/* 深色模式下所有粗體文字 */
[data-theme="dark"] strong,
[data-theme="dark"] b,
[data-theme="dark"] .fw-bold {
    color: #ffffff !important;
}

/* 深色模式下所有連結 */
[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item) {
    color: #66b3ff !important;
}

[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item):hover {
    color: #80c1ff !important;
}

/* 深色模式下 Gemini 魔法輸入框 */
[data-theme="dark"] #gemini-input,
[data-theme="dark"] .gemini-input-container input,
[data-theme="dark"] input#gemini-input {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

[data-theme="dark"] #gemini-input::placeholder,
[data-theme="dark"] .gemini-input-container input::placeholder {
    color: #a0a0a0 !important;
}

/* 深色模式下 AI 顧問框 */
[data-theme="dark"] .chat-message,
[data-theme="dark"] .ai-message,
[data-theme="dark"] .user-message,
[data-theme="dark"] .message-bubble,
[data-theme="dark"] #chat-container > div,
[data-theme="dark"] .chat-box > div {
    background-color: #3a3a3a !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .ai-message p,
[data-theme="dark"] .user-message p,
[data-theme="dark"] .chat-message p,
[data-theme="dark"] .message-bubble p,
[data-theme="dark"] .ai-message *,
[data-theme="dark"] .user-message *,
[data-theme="dark"] .message-bubble * {
    color: #ffffff !important;
}

/* 深色模式下所有灰色背景元素 */
[data-theme="dark"] .bg-light {
    background-color: #2d2d2d !important;
    color: #ffffff;
}

[data-theme="dark"] .bg-light *:not(.btn):not(.badge):not([class*="text-"]) {
    color: #ffffff;
}

/* 深色模式下 accordion-body 內的 bg-light */
[data-theme="dark"] .accordion-body.bg-light {
    background-color: #2d2d2d !important;
}

[data-theme="dark"] .accordion-body {
    background-color: #2d2d2d !important;
}

[data-theme="dark"] .accordion-body .card {
    background-color: #3a3a3a !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .accordion-body .card *:not(.btn):not(.badge):not([class*="bg-"]):not([class*="text-"]) {
    color: #ffffff;
}

/* 深色模式下投資項目卡片 */
[data-theme="dark"] .investment-item-card {
    background-color: #3a3a3a !important;
    border-color: #505050 !important;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

[data-theme="dark"] .investment-item-card h1,
[data-theme="dark"] .investment-item-card h2,
[data-theme="dark"] .investment-item-card h3,
[data-theme="dark"] .investment-item-card h4,
[data-theme="dark"] .investment-item-card h5,
[data-theme="dark"] .investment-item-card h6,
[data-theme="dark"] .investment-item-card p,
[data-theme="dark"] .investment-item-card div,
[data-theme="dark"] .investment-item-card span:not(.badge),
[data-theme="dark"] .investment-item-card label,
[data-theme="dark"] .investment-item-card small {
    color: #ffffff !important;
}

[data-theme="dark"] .investment-item-card .text-muted {
    color: #b0b0b0 !important;
}

[data-theme="dark"] .investment-item-card hr {
    border-color: #505050 !important;
}

/* 深色模式下 Select2 下拉選單 */
[data-theme="dark"] .select2-container--default .select2-selection--single,
[data-theme="dark"] .select2-container--default .select2-selection--multiple {
    background-color: #2d2d2d !important;
    border-color: #505050 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__rendered,
[data-theme="dark"] .select2-container--default .select2-selection--multiple .select2-selection__rendered {
    color: #ffffff !important;
}

[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: #a0a0a0 !important;
}

[data-theme="dark"] .select2-dropdown {
    background-color: #2d2d2d !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .select2-container--default .select2-results__option {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
}

[data-theme="dark"] .select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: #4a4a4a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .select2-container--default .select2-results__option[aria-selected=true] {
    background-color: #66b3ff !important;
    color: #1a1a1a !important;
}

[data-theme="dark"] .select2-search--dropdown .select2-search__field {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

/* 深色模式下投資群組框架內的所有文字 */
[data-theme="dark"] .investment-card,
[data-theme="dark"] .investment-item,
[data-theme="dark"] .accordion-item .card,
[data-theme="dark"] .group-card,
[data-theme="dark"] .position-card {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .investment-card h1:not([class*="text-"]),
[data-theme="dark"] .investment-card h2:not([class*="text-"]),
[data-theme="dark"] .investment-card h3:not([class*="text-"]),
[data-theme="dark"] .investment-card h4:not([class*="text-"]),
[data-theme="dark"] .investment-card h5:not([class*="text-"]),
[data-theme="dark"] .investment-card h6:not([class*="text-"]),
[data-theme="dark"] .investment-card p:not([class*="text-"]),
[data-theme="dark"] .investment-card span:not(.badge):not([class*="text-"]),
[data-theme="dark"] .investment-card div:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .investment-card label,
[data-theme="dark"] .investment-card small:not([class*="text-"]),
[data-theme="dark"] .investment-item h1:not([class*="text-"]),
[data-theme="dark"] .investment-item h2:not([class*="text-"]),
[data-theme="dark"] .investment-item h3:not([class*="text-"]),
[data-theme="dark"] .investment-item h4:not([class*="text-"]),
[data-theme="dark"] .investment-item h5:not([class*="text-"]),
[data-theme="dark"] .investment-item h6:not([class*="text-"]),
[data-theme="dark"] .investment-item p:not([class*="text-"]),
[data-theme="dark"] .investment-item span:not(.badge):not([class*="text-"]),
[data-theme="dark"] .investment-item div:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .investment-item label,
[data-theme="dark"] .investment-item small:not([class*="text-"]),
[data-theme="dark"] .position-card *:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .group-card *:not(.btn):not(.badge):not([class*="text-"]) {
    color: #ffffff;
}

/* 深色模式下投資卡片 - 強制所有內容深色背景 */
[data-theme="dark"] .accordion-body .card {
    background-color: #2d2d2d !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .accordion-body .card *:not(.btn):not(.badge):not([class*="text-"]) {
    color: #ffffff;
}

[data-theme="dark"] .accordion-body .card .btn {
    color: inherit !important;
}

/* 深色模式下預算規劃框架 */
[data-theme="dark"] .budget-card,
[data-theme="dark"] .budget-item,
[data-theme="dark"] .budget-category {
    background-color: #242424 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .budget-card *:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .budget-item *:not(.btn):not(.badge):not([class*="text-"]),
[data-theme="dark"] .budget-category *:not(.btn):not(.badge):not([class*="text-"]) {
    color: #ffffff;
}

[data-theme="dark"] .budget-card label,
[data-theme="dark"] .budget-item label,
[data-theme="dark"] .budget-category label {
    color: #ffffff !important;
}

[data-theme="dark"] .budget-card input,
[data-theme="dark"] .budget-item input,
[data-theme="dark"] .input-group input,
[data-theme="dark"] .input-group .form-control {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

/* 深色模式下 input-group-text */
[data-theme="dark"] .input-group-text {
    background-color: #3a3a3a !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

/* 更多功能選單加入滾動 - 改用更通用的選擇器 */
.dropdown-menu {
    max-height: 60vh;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

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

/* 滾動條樣式優化 */
.dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.dropdown-menu::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.dropdown-menu::-webkit-scrollbar-thumb {
    background: var(--secondary-gray);
    border-radius: 3px;
}

.dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 確保選單內容有適當的內距 */
.dropdown-menu {
    padding: 0.5rem 0;
}

/* 浮動記帳按鈕 (Floating Action Button) - 僅在行動裝置顯示 */
.fab-container {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 1000;
    display: none; /* 預設隱藏，由 JS 控制 */
}

/* 桌面版隱藏浮動按鈕 */
@media (min-width: 992px) {
    .fab-container {
        display: none !important;
    }
    #fab-toggle-btn {
        display: none !important;
    }
}

.fab-container {
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.fab-close-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(108, 117, 125, 0.7);
    color: white;
    border: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 10px;
}

.fab-close-btn:hover {
    background-color: rgba(90, 98, 104, 0.9);
    transform: scale(1.15);
}

.fab-close-btn:active {
    transform: scale(0.9);
    background-color: rgba(90, 98, 104, 1);
}

.fab-button {
    min-width: 80px;
    height: 48px;
    padding: 0 16px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, #0056b3 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fabPulse 2s ease-in-out infinite;
    white-space: nowrap;
}

.fab-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.6);
}

.fab-button:active {
    transform: scale(0.95);
}

@keyframes fabPulse {
    0%, 100% { box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(13, 110, 253, 0.7); }
}

/* 僅在手機版顯示 */
@media (max-width: 768px) {
    .fab-container.show {
        display: block;
    }
}

/* Headings colors */
h1, h3, h4, h5, h6 { color: #212529 !important; }
h2 { color: #212529 !important; font-weight: bold; }

/* 深色模式下標題顏色 */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: #ffffff !important;
}

/* --- ★★★【隱私模式樣式 - 修正版】★★★ --- */
/* 預設情況下，隱藏用來偽裝的星號 */
.sensitive-data .privacy-asterisks {
    display: none;
}
/* 當隱私模式啟用時 */
.privacy-mode-on .sensitive-data .privacy-original-value {
    display: none; /* 隱藏原始數字 */
}
.privacy-mode-on .sensitive-data .privacy-asterisks {
    display: inline !important; /* 顯示偽裝用的星號 */
    font-weight: bold;
}
/* --- ★★★【修正結束】★★★ --- */

/* --- ★★★ 新增：投資項目卡片化樣式 ★★★ --- */
.investment-item-card {
    border: 1px solid var(--bs-border-color-translucent, rgba(0, 0, 0, 0.175));
    border-radius: var(--bs-border-radius-lg, 0.5rem);
    padding: 1rem;
    background-color: var(--bs-body-bg, #fff);
    box-shadow: var(--bs-box-shadow-sm, 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075));
}

/* 讓卡片之間有固定的間距，但最後一張卡片下方沒有多餘的間距 */
.investment-item-card:not(:last-child) {
    margin-bottom: 1rem;
}

/* 專為圖表設計的緊湊型藥丸按鈕 */
.nav-pills-custom-wrapper.compact .nav-link {
    padding: 0.25rem 0.8rem; /* 減少上下內距，讓按鈕變矮 */
    font-size: 0.875rem;     /* 稍微縮小字體 */
    font-weight: 400;
}

/* 緊湊型按鈕的 active 狀態，陰影也縮小一些 */
.nav-pills-custom-wrapper.compact .nav-link.active {
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.25);
}

/* (檔案中其餘所有樣式維持不變) */
.form-label { 
    font-weight: bold; 
    color: #212529 !important; 
}

/* 深色模式下 form-label 覆蓋 */
[data-theme="dark"] .form-label {
    color: #ffffff !important;
}
.form-control, .form-select { 
    border-color: #dee2e6; 
    border-radius: 0.3rem;
    background-color: #ffffff;
    color: #212529 !important;
}
.form-control:focus, .form-select:focus {
    background-color: #ffffff;
    color: #212529 !important;
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(102, 179, 255, 0.25);
}

/* 深色模式下輸入框強制調整 */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="time"],
[data-theme="dark"] input[type="datetime-local"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
    border-color: #505050 !important;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    background-color: #333333 !important;
    color: #ffffff !important;
    border-color: #66b3ff !important;
    box-shadow: 0 0 0 0.2rem rgba(102, 179, 255, 0.25) !important;
}

/* 深色模式下的 placeholder 文字 */
[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] .form-select::placeholder,
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: #a0a0a0 !important;
    opacity: 1 !important;
}

/* 深色模式下 select option */
[data-theme="dark"] select option {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
}

/* 深色模式下所有 label */
[data-theme="dark"] label,
[data-theme="dark"] .form-label {
    color: #ffffff !important;
}
.card { 
    border-radius: 0.75rem; 
    overflow: hidden; 
    border: 1px solid #dee2e6;
    background-color: #ffffff;
    color: #212529 !important;
}
.card-header {
    background-color: var(--primary-blue);
    border-bottom: none;
    color: #ffffff;
    padding: 1rem 1.25rem;
}
.card-header .card-title,
.card-header h3,
.card-header h4,
.card-header h5 {
    color: #ffffff !important;
}

.card-body {
    background-color: #ffffff;
    color: #212529;
    padding: 1.25rem;
}

/* 只對沒有特殊語義的元素設定黑色 */
.card-body p:not([class*="text-"]),
.card-body div:not([class*="text-"]):not([class*="badge"]),
.card-body label {
    color: #212529;
}

/* 深色模式下卡片主體 */
[data-theme="dark"] .card-body {
    background-color: #242424 !important;
    color: #ffffff;
}

/* 只對沒有語義顏色的元素設定白色 */
[data-theme="dark"] .card-body h1:not([class*="text-"]),
[data-theme="dark"] .card-body h2:not([class*="text-"]),
[data-theme="dark"] .card-body h3:not([class*="text-"]),
[data-theme="dark"] .card-body h4:not([class*="text-"]),
[data-theme="dark"] .card-body h5:not([class*="text-"]),
[data-theme="dark"] .card-body h6:not([class*="text-"]),
[data-theme="dark"] .card-body p:not([class*="text-"]),
[data-theme="dark"] .card-body label:not([class*="text-"]) {
    color: #ffffff;
}


.table { 
    margin-bottom: 0;
    color: #212529 !important;
}
.table thead th {
    background-color: #e9ecef;
    color: #212529 !important;
    border-color: #dee2e6;
    font-weight: 600;
}
.table tbody tr {
    background-color: #ffffff;
    color: #212529;
}
.table tbody tr:hover {
    background-color: #f8f9fa;
}
.table td, .table th {
    border-color: #dee2e6;
    color: #212529;
}

/* 表格內的語義顏色保留 */
.table .text-success,
.table .badge-success,
.table .bg-success { color: #28a745 !important; }

.table .text-danger,
.table .badge-danger,
.table .bg-danger { color: #dc3545 !important; }

/* 深色模式表格強制調整 */
[data-theme="dark"] .table,
[data-theme="dark"] table {
    color: #ffffff;
    background-color: #1a1a1a !important;
}

[data-theme="dark"] .table thead th,
[data-theme="dark"] table thead th {
    background-color: #2a2a2a !important;
    color: #ffffff !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .table tbody tr,
[data-theme="dark"] table tbody tr {
    background-color: #242424 !important;
    border-color: #404040 !important;
}

[data-theme="dark"] .table tbody tr td,
[data-theme="dark"] table tbody tr td {
    background-color: #242424 !important;
    color: #ffffff;
    border-color: #404040 !important;
}

/* 表格內的語義顏色保留並強制應用 */
[data-theme="dark"] .table .text-success,
[data-theme="dark"] .table td.text-success,
[data-theme="dark"] .table span.text-success,
[data-theme="dark"] td .text-success,
[data-theme="dark"] tr .text-success {
    color: #4ade80 !important;
}

[data-theme="dark"] .table .text-danger,
[data-theme="dark"] .table td.text-danger,
[data-theme="dark"] .table span.text-danger,
[data-theme="dark"] td .text-danger,
[data-theme="dark"] tr .text-danger {
    color: #ff6b6b !important;
}

[data-theme="dark"] .table .text-warning,
[data-theme="dark"] .table td.text-warning,
[data-theme="dark"] td .text-warning {
    color: #fbbf24 !important;
}

[data-theme="dark"] .table .text-info,
[data-theme="dark"] .table td.text-info,
[data-theme="dark"] td .text-info {
    color: #22d3ee !important;
}

[data-theme="dark"] .table tbody tr:nth-child(even),
[data-theme="dark"] table tbody tr:nth-child(even) {
    background-color: #1e1e1e !important;
}

[data-theme="dark"] .table tbody tr:nth-child(even) td,
[data-theme="dark"] table tbody tr:nth-child(even) td {
    background-color: #1e1e1e !important;
    color: #ffffff;
}

[data-theme="dark"] .table tbody tr:hover,
[data-theme="dark"] table tbody tr:hover {
    background-color: #2d2d2d !important;
}

[data-theme="dark"] .table tbody tr:hover td,
[data-theme="dark"] table tbody tr:hover td {
    background-color: #2d2d2d !important;
    color: #ffffff;
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th,
[data-theme="dark"] table td,
[data-theme="dark"] table th {
    border-color: #404040 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .table a,
[data-theme="dark"] table a {
    color: #66b3ff !important;
}

[data-theme="dark"] .table a:hover,
[data-theme="dark"] table a:hover {
    color: #80c1ff !important;
}

/* 深色模式下 table-striped 的行 */
[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd),
[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) td {
    background-color: #242424 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .table-striped tbody tr:nth-of-type(even),
[data-theme="dark"] .table-striped tbody tr:nth-of-type(even) td {
    background-color: #1e1e1e !important;
    color: #ffffff !important;
}

/* 深色模式下 table-hover */
[data-theme="dark"] .table-hover tbody tr:hover,
[data-theme="dark"] .table-hover tbody tr:hover td {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
}
.table { margin-bottom: 0; }
.my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.text-center { text-align: center !important; }
.float-end { float: right !important; }
.fs-5 { font-size: 1.25rem !important; }
.fs-4 { font-size: 1.5rem !important; }
.fw-bold { font-weight: bold !important; }
.progress { height: 1.25rem; border-radius: 0.25rem; background-color: rgba(var(--secondary-gray), 0.25); }
.progress-bar { border-radius: 0.25rem; }
.event-income, .event-income:hover { background-color: #198754; border-color: #198754; color: white; }
.event-expense, .event-expense:hover { background-color: #dc3545; border-color: #dc3545; color: white; }
.custom-autocomplete-container { position: relative; display: inline-block; width: 100%; z-index: 2; }
.autocomplete-items { 
    position: absolute; 
    border: 1px solid var(--border-color); 
    border-bottom: none; 
    border-top: none; 
    z-index: 999; 
    top: 100%; 
    left: 0; 
    right: 0; 
    background-color: var(--bg-card);
}
.autocomplete-items div { 
    padding: 10px; 
    cursor: pointer; 
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}
.autocomplete-items div:hover {
    background-color: var(--bg-secondary);
}
.autocomplete-items div:hover { background-color: #e9e9e9; }
.autocomplete-active { background-color: DodgerBlue !important; color: #ffffff; }
.autocomplete-scrollable { max-height: 200px; overflow-y: auto; }
.nav-pills-custom-wrapper { background-color: rgba(0, 0, 0, 0.05); border-radius: 50rem; padding: 0.25rem; display: inline-flex; box-shadow: inset 0 1px 5px rgba(0, 0, 0, 0.05); }
.nav-pills-custom-wrapper .nav-item { flex: 1; }
.nav-pills-custom-wrapper .nav-link { color: #6c757d; text-align: center; padding: 0.5rem 1rem; border-radius: 50rem; font-weight: 500; transition: all 0.3s cubic-bezier(.55, .085, .68, .53); border: none; background-color: transparent; white-space: nowrap; }
.nav-pills-custom-wrapper .nav-link:not(.active):hover { color: #343a40; background-color: rgba(0, 0, 0, 0.025); }
.nav-pills-custom-wrapper .nav-link.active { background-color: var(--primary-blue); color: var(--light-text); box-shadow: 0 3px 6px rgba(0, 123, 255, 0.3); }
.accordion-button { background-color: var(--secondary-gray); color: var(--light-text); }
.accordion-button:not(.collapsed) { background-color: var(--secondary-gray); color: var(--light-text); box-shadow: none; }
.accordion-button::after { filter: brightness(0) invert(1); }
.accordion-button:hover { z-index: 2; }
.accordion-button:focus { box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25); z-index: 3; }
.card-header .card-title, .accordion-button { font-size: 1.2rem; font-weight: 500; }
.accordion-button:focus { box-shadow: none; border-color: rgba(0,0,0,.125); }

/* 專為放在卡片標頭內的篩選器設計的樣式 */
.nav-pills-custom-wrapper.nav-pills-card-header {
    /* 讓膠囊背景色更融入深色標頭 */
    background-color: rgba(0, 0, 0, 0.15);
    box-shadow: inset 0 1px 5px rgba(0, 0, 0, 0.1);
}

.nav-pills-custom-wrapper.nav-pills-card-header .nav-link {
    /* 預設文字顏色改為白色，並帶有透明度 */
    color: var(--light-text);
    opacity: 0.7;
}
.nav-pills-custom-wrapper.nav-pills-card-header .nav-link:not(.active):hover {
    /* 滑鼠懸停時變為不透明，並加上淡淡的亮色背景 */
    opacity: 1.0;
    background-color: rgba(255, 255, 255, 0.1);
}
.nav-pills-custom-wrapper.nav-pills-card-header .nav-link.active {
    /* 選中狀態維持藍底白字，並確保不透明 */
    background-color: var(--primary-blue);
    color: var(--light-text);
    opacity: 1.0;
}
/* ★★★ 修改區域結束 ★★★ */

/* =========================================================================
   ★★★ 手機響應式優化 (Mobile Responsive) ★★★
   ========================================================================= */

/* --- 平板與手機共用 (< 992px) --- */
@media (max-width: 991.98px) {
    body {
        padding-top: 60px; /* 減少頂部間距 */
    }
    
    .navbar-brand {
        font-size: 0.95rem;
    }
    
    /* 讓 container 邊距更小 */
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* --- 手機專用 (< 768px) --- */
@media (max-width: 767.98px) {
    body {
        padding-top: 56px;
    }
    
    /* 標題縮小 */
    h2 {
        font-size: 1.4rem;
    }
    
    h3, .card-title {
        font-size: 1.1rem;
    }
    
    /* 卡片標頭縮小間距 */
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    /* 卡片內容縮小間距 */
    .card-body {
        padding: 0.75rem;
    }
    
    /* 按鈕在手機上更緊湊 */
    .btn {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    /* 時間篩選器：允許水平滾動 */
    .nav-pills-custom-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        justify-content: flex-start;
        width: 100%;
        padding: 0.25rem 0.5rem;
    }
    
    .nav-pills-custom-wrapper .nav-link {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    /* 表格響應式優化 */
    .table-responsive {
        font-size: 0.85rem;
    }
    
    .table th, .table td {
        padding: 0.5rem 0.4rem;
        white-space: nowrap;
    }
    
    /* 隱藏手機上不重要的表格欄位 */
    .table .d-mobile-none {
        display: none !important;
    }
    
    /* 表單輸入框調整 */
    .form-control, .form-select {
        font-size: 16px; /* 防止 iOS 自動縮放 */
        padding: 0.5rem 0.75rem;
    }
    
    /* 表單 row 在手機上垂直排列 */
    .row.align-items-end > [class*="col-md"] {
        margin-bottom: 0.75rem;
    }
    
    /* 財務總覽頁面數字縮小 */
    .fs-4 {
        font-size: 1.2rem !important;
    }
    
    .fs-5 {
        font-size: 1rem !important;
    }
    
    /* 收支匯總區塊垂直排列 */
    .d-flex.justify-content-around.text-center {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .d-flex.justify-content-around.text-center > div {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }
    
    .d-flex.justify-content-around.text-center > div:last-child {
        border-bottom: none;
    }
    
    .d-flex.justify-content-around.text-center > div > span.d-block {
        display: inline !important;
    }
    
    /* 投資卡片優化 */
    .investment-item-card {
        padding: 0.75rem;
    }
    
    /* Modal 對話框全螢幕 */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    /* 圖表容器高度調整 */
    canvas {
        max-height: 250px !important;
    }
    
    /* Accordion 標題縮小 */
    .accordion-button {
        font-size: 1rem;
        padding: 0.75rem 1rem;
    }
    
    /* AI 顧問聊天視窗調整 */
    #chat-window {
        height: 50vh;
    }
    
    .message {
        max-width: 90%;
    }
    
    .avatar {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
    
    .example-question-btn {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
}

/* --- 超小螢幕手機 (< 576px) --- */
@media (max-width: 575.98px) {
    h2 {
        font-size: 1.2rem;
    }
    
    /* 讓按鈕組在極小螢幕上堆疊 */
    .btn-group-vertical-xs {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group-vertical-xs .btn {
        width: 100%;
        margin-bottom: 0.25rem;
    }
    
    /* 隱藏更多不重要的元素 */
    .d-xs-none {
        display: none !important;
    }
    
    /* 財務匯總數字進一步縮小 */
    .fs-4 {
        font-size: 1.1rem !important;
    }
    
    /* Lottie 動畫縮小 */
    lottie-player {
        width: 30px !important;
        height: 30px !important;
    }
}

/* --- 觸控裝置優化 --- */
@media (hover: none) and (pointer: coarse) {
    /* 增加可點擊區域 */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
    }
    
    /* 移除 hover 效果以避免觸控裝置的黏著狀態 */
    .btn:hover {
        transform: none;
    }
    
    /* 表格行增加觸控間距 */
    .table td, .table th {
        padding: 0.75rem 0.5rem;
    }
    
    /* 下拉選單項目增加間距 */
    .dropdown-item {
        padding: 0.75rem 1rem;
    }
}

/* --- FullCalendar 日曆響應式優化 --- */
@media (max-width: 767.98px) {
    /* 縮小日曆標題 */
    .fc .fc-toolbar-title {
        font-size: 1rem;
    }
    
    /* 工具列垂直排列 */
    .fc .fc-toolbar {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .fc .fc-toolbar-chunk {
        display: flex;
        justify-content: center;
    }
    
    /* 縮小日曆按鈕 */
    .fc .fc-button {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    /* 日曆事件文字縮小 */
    .fc-event-title {
        font-size: 0.65rem;
    }
    
    /* 日期數字縮小 */
    .fc .fc-daygrid-day-number {
        font-size: 0.75rem;
        padding: 2px 4px;
    }
}

@media (max-width: 575.98px) {
    /* 極小螢幕隱藏週視圖按鈕 */
    .fc .fc-timeGridWeek-button {
        display: none;
    }
    
    /* 日曆高度限制 */
    .fc {
        font-size: 0.7rem;
    }
}
/* ─────────────────────────────────────────────────────────────
   PWA 離線狀態橫幅 (Task 3.3)
   ─────────────────────────────────────────────────────────── */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: linear-gradient(135deg, #343a40, #495057);
    color: #f8f9fa;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.offline-banner.is-offline {
    background: linear-gradient(135deg, #50110a, #822808);
}

.offline-banner.is-syncing {
    background: linear-gradient(135deg, #0e3320, #1a5c38);
}

.offline-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.offline-badge {
    background: rgba(0, 0, 0, 0.35);
    color: #ffffff;
    border-radius: 12px;
    padding: 0.15rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

/* 當離線橫幅顯示時，navbar 下移避免被遮住 */
body.has-offline-banner .navbar.fixed-top {
    top: 2.25rem;
}

body.has-offline-banner .container {
    padding-top: 1.5rem;
}