/* 全域變數定義 */
:root {
    --bg-primary: hsl(222, 25%, 10%);       /* 主背景色：深藍灰 */
    --bg-sidebar: hsl(222, 25%, 14%);       /* 側邊欄背景色 */
    --bg-card: hsla(222, 25%, 18%, 0.65);    /* 卡片背景色（半透明） */
    --bg-card-hover: hsla(222, 25%, 24%, 0.8);/* 卡片懸停背景色 */
    --border-color: hsla(222, 25%, 30%, 0.5); /* 邊框顏色 */
    --text-primary: hsl(210, 40%, 98%);     /* 主要文字：亮灰白 */
    --text-secondary: hsl(215, 20%, 70%);   /* 次要文字：中灰 */
    --accent-green: hsl(142, 70%, 50%);     /* 漲幅綠（美股標準，亮眼） */
    --accent-red: hsl(354, 70%, 54%);       /* 跌幅紅（台股/亞洲常用） */
    --accent-blue: hsl(200, 100%, 60%);     /* 強調藍 */
    --accent-gold: hsl(45, 90%, 55%);       /* 黃金專用金黃色 */
    --transition-speed: 0.3s;
}

/* 基礎重設 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans TC', sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* 應用程式容器佈局 */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ==========================================
   側邊導覽列樣式
   ========================================== */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    flex-shrink: 0;
}

.logo {
    margin-bottom: 3rem;
    text-align: center;
}

.logo h2 {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.logo span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-speed) ease;
}

.nav-item:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-item.active {
    background: linear-gradient(135deg, hsla(200, 100%, 60%, 0.15), hsla(142, 70%, 50%, 0.15));
    border: 1px solid var(--accent-blue);
    color: var(--text-primary);
    font-weight: 500;
}

.nav-item .icon {
    font-size: 1.2rem;
}

/* 系統狀態指示燈 */
.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(74, 222, 128, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
    }
}

/* ==========================================
   主要內容區域樣式
   ========================================== */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}

/* 頂部導覽資訊 */
.header {
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    background-color: hsla(222, 25%, 10%, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.search-box input {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    width: 300px;
    font-size: 0.9rem;
    transition: all var(--transition-speed);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 8px hsla(200, 100%, 60%, 0.2);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.clock {
    font-size: 0.95rem;
    color: var(--text-secondary);
    background-color: var(--bg-sidebar);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-profile .avatar {
    font-size: 1.2rem;
}

/* 內容區塊主容器 */
.content-wrapper {
    padding: 2rem;
    flex-grow: 1;
}

/* 面板切換 */
.dashboard-panel {
    display: none;
    animation: fadeIn var(--transition-speed) ease;
}

.dashboard-panel.active-panel {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.panel-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ==========================================
   卡片與 Glassmorphism 樣式
   ========================================== */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.asset-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.asset-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.asset-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.asset-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.08);
}

.card-price {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.5px;
}

.card-change {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* 迷你走勢圖 (Sparkline) 模擬 */
.sparkline-container {
    height: 30px;
    width: 100%;
    margin-top: 0.5rem;
}

.sparkline {
    height: 100%;
    width: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.65;
}

/* 卡片主題色 */
.green-theme .card-change { color: var(--accent-green); }
.red-theme .card-change { color: var(--accent-red); }

/* 網格系統 */
.grid-two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.glass-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
}

.glass-box h3 {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
    border-left: 4px solid var(--accent-blue);
    padding-left: 0.75rem;
}

/* ==========================================
   表格樣式
   ========================================== */
.table-container {
    overflow-x: auto;
}

.market-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.market-table th, 
.market-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.market-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.market-table tbody tr {
    transition: background-color var(--transition-speed);
}

.market-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

/* 表格內的上漲與下跌色 */
.up-trend {
    color: var(--accent-green);
    font-weight: 600;
}

.down-trend {
    color: var(--accent-red);
    font-weight: 600;
}

/* 消息列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-tag {
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    align-self: flex-start;
}

.news-tag.highlight {
    background-color: hsla(354, 70%, 54%, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

/* 黃金詳情頁卡片 */
.gold-detail-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, hsla(45, 90%, 55%, 0.15), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--accent-gold);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.gold-big-price {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.gold-big-change {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-green);
}

.gold-info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.gold-info-list li {
    display: flex;
    justify-content: space-between;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* ==========================================
   表單與定存試算器
   ========================================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn-calculate {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    border: none;
    color: #fff;
    padding: 0.85rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.1s, opacity var(--transition-speed);
}

.btn-calculate:hover {
    opacity: 0.9;
}

.btn-calculate:active {
    transform: scale(0.98);
}

.calc-results-box {
    margin-top: 1.5rem;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.result-item:last-child {
    margin-bottom: 0;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border-color);
}

.result-item strong {
    font-size: 1.1rem;
}

.highlight-green {
    color: var(--accent-green);
}

/* ==========================================
   投資顧問專欄樣式
   ========================================== */
.advisor-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.advisor-main-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advisor-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.advisor-avatar {
    font-size: 2.5rem;
    background: linear-gradient(135deg, hsla(200, 100%, 60%, 0.2), hsla(142, 70%, 50%, 0.2));
    border: 1px solid var(--accent-blue);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.advisor-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.advisor-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.advisor-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.advisor-image-wrapper {
    width: 100%;
    max-height: 400px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.advisor-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-speed);
}

.advisor-image:hover {
    transform: scale(1.02);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.article-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.article-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    line-height: 1.7;
    color: hsl(210, 20%, 85%);
}

.article-body blockquote {
    border-left: 4px solid var(--accent-green);
    padding: 0.75rem 1.25rem;
    background-color: rgba(74, 222, 128, 0.05);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-primary);
    margin: 0.5rem 0;
}

.advisor-aside {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quote-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.05));
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    position: relative;
}

.quote-text {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
    color: hsl(210, 20%, 90%);
}

.quote-author {
    font-size: 0.85rem;
    color: var(--accent-blue);
    font-weight: 500;
    display: block;
    text-align: right;
}

.margin-top-1 {
    margin-top: 0.5rem;
}

.topic-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.topic-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.topic-num {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    color: var(--accent-blue);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.topic-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.topic-detail a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
}

.topic-detail a:hover {
    color: var(--accent-blue);
}

.topic-detail span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 響應式排版修正 */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 1.5rem;
    }
    .logo {
        margin-bottom: 1rem;
    }
    .nav-menu {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .nav-item {
        flex-grow: 1;
        justify-content: center;
    }
    .main-content {
        height: auto;
    }
    .grid-two-columns {
        grid-template-columns: 1fr;
    }
    .advisor-container {
        grid-template-columns: 1fr;
    }
}