/* ==========================================================================
   全域變數與重設 (Reset & Variables) - 粉紅色駭客終端機風格 (Pink Hacker Theme)
   ========================================================================== */
:root {
    --bg-color: #0b0306;             /* 極深灰粉色背景 */
    --card-bg: rgba(22, 10, 18, 0.85); /* 終端機卡片深粉黑背景 */
    --primary-color: #ec4899;       /* 核心螢光粉紅 (Neon Pink) */
    --primary-hover: #f472b6;       /* 亮螢光粉紅 */
    --accent-color: #f43f5e;        /* 玫瑰紅 */
    --text-main: #f472b6;           /* 主要文字為明亮粉紅 */
    --text-muted: #9d174d;          /* 次要文字為深粉紅 */
    --text-light: #fff1f2;          /* 資料呈現用的粉白色 */
    --border-color: #881337;        /* 深粉紅邊框 */
    --border-active: #ec4899;       /* 亮粉紅啟動邊框 */
    --glow-soft: 0 0 12px rgba(236, 72, 153, 0.25);
    --glow-strong: 0 0 20px rgba(236, 72, 153, 0.5);
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
}

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

body {
    font-family: 'Share Tech Mono', 'Courier New', Courier, monospace;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(rgba(136, 19, 55, 0.15) 15%, transparent 16%),
        radial-gradient(rgba(136, 19, 55, 0.15) 15%, transparent 16%);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem;
    line-height: 1.6;
}

/* ==========================================================================
   版面容器 (Container Layout)
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* ==========================================================================
   網頁標題區 (Header)
   ========================================================================== */
.app-header {
    text-align: left;
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.app-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(236, 72, 153, 0.6);
    letter-spacing: 1px;
}

.app-header p {
    color: var(--text-light);
    font-size: 1rem;
}

/* ==========================================================================
   上傳卡片區 (Upload Card)
   ========================================================================== */
.upload-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--glow-soft);
    position: relative;
}

.upload-card::before {
    content: "[ DECODER_MODULE ]";
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-color);
    padding: 0 10px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

/* 拖曳區域 (Drop Zone) */
.drop-zone {
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 1.2rem 1rem;
    text-align: center;
    cursor: pointer;
    background: rgba(25, 5, 15, 0.4);
    transition: var(--transition-normal);
}

/* 當檔案拖曳到區域上方時的樣式 */
.drop-zone.dragover {
    border-color: var(--border-active);
    background: rgba(236, 72, 153, 0.05);
    box-shadow: var(--glow-soft);
    transform: scale(1.005);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

/* 終端機游標閃爍圖示 */
.upload-icon {
    width: 44px;
    height: 44px;
    background: rgba(136, 19, 55, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-normal);
}

.drop-zone:hover .upload-icon {
    border-color: var(--primary-color);
    box-shadow: var(--glow-soft);
}

.prompt-char {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-color);
    animation: blink 1s step-end infinite; /* 閃爍效果 */
}

@keyframes blink {
    from, to { color: transparent }
    50% { color: var(--primary-color); text-shadow: 0 0 8px var(--primary-color); }
}

.drop-zone h3 {
    font-size: 1rem;
    color: var(--primary-color);
}

.drop-zone p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   按鈕樣式 (Buttons)
   ========================================================================== */
.btn-primary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.75rem 2rem;
    font-size: 0.95rem;
    font-family: inherit;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: var(--glow-soft);
}

.btn-text {
    background: transparent;
    border: 1px solid #f43f5e;
    color: #f43f5e;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.btn-text:hover {
    background: rgba(244, 63, 94, 0.15);
    box-shadow: 0 0 10px rgba(244, 63, 94, 0.3);
}

/* ==========================================================================
   上傳狀態與檔案資訊顯示 (File Status)
   ========================================================================== */
.file-status {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(22, 10, 18, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.status-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.status-icon {
    font-size: 1.1rem;
}

.file-name {
    font-weight: bold;
    color: var(--text-light);
    word-break: break-all;
    flex-grow: 1;
}

.file-size {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   資料預覽區與表格樣式 (Result Table Section)
   ========================================================================== */
.result-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--glow-soft);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
}

.result-section::before {
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-color);
    padding: 0 10px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.raw-data-section::before {
    content: "[ SYSTEM_RAW_DATA_INPUT ]";
}

.processed-data-section::before {
    content: "[ SYSTEM_DECODED_DATA_OUTPUT ]";
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.3rem;
    font-weight: bold;
}

.badge {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(15, 5, 10, 0.9);
    max-height: 500px;
}

/* 無資料狀態 (Empty State) */
.table-container.empty {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    border: 1px dashed var(--border-color);
}

.empty-state {
    color: var(--text-muted);
    font-size: 1rem;
}

/* 實際 Excel 表格樣式 */
.excel-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.excel-table th {
    background-color: rgba(136, 19, 55, 0.4);
    color: var(--primary-color);
    font-weight: bold;
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    border-bottom: 2px solid var(--border-color);
    box-shadow: 0 1px 0 var(--border-color);
}

.excel-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    white-space: nowrap;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.excel-table tr:last-child td {
    border-bottom: none;
}

/* 橫列交替底色與滑鼠移入效果 */
.excel-table tbody tr:nth-child(even) {
    background-color: rgba(136, 19, 55, 0.15);
}

.excel-table tbody tr:hover {
    background-color: rgba(236, 72, 153, 0.15);
    color: #ffffff;
}

.excel-table tbody tr:hover td {
    color: #ffffff;
    text-shadow: 0 0 5px var(--primary-color);
}

/* 交易金額最大列的高亮霓虹紅發光樣式 (保留紅色高亮) */
.excel-table tbody tr.highlight-max {
    background-color: rgba(239, 68, 68, 0.22) !important;
    border: 1px solid #ef4444;
    box-shadow: inset 0 0 15px rgba(239, 68, 68, 0.35);
}

.excel-table tbody tr.highlight-max td {
    color: #ffffff !important;
    font-weight: bold;
    text-shadow: 0 0 8px #ef4444;
}

/* 交易金額最小列的高亮霓虹綠發光樣式 */
.excel-table tbody tr.highlight-min {
    background-color: rgba(34, 197, 94, 0.22) !important;
    border: 1px solid #22c55e;
    box-shadow: inset 0 0 15px rgba(34, 197, 94, 0.35);
}

.excel-table tbody tr.highlight-min td {
    color: #ffffff !important;
    font-weight: bold;
    text-shadow: 0 0 8px #22c55e;
}

/* ==========================================================================
   過濾器控制台樣式 (Filter Controller)
   ========================================================================== */
.filter-card::before {
    content: "[ CONFIG_FILTER_CONTROLLER ]";
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-grow: 1;
}

.checkbox-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    margin: 1rem 0;
    max-height: 160px;
    overflow-y: auto;
    padding: 1rem;
    border: 1px solid var(--border-color);
    background: rgba(15, 5, 10, 0.9);
    border-radius: 6px;
    width: 100%;
    box-shadow: inset 0 0 10px rgba(236, 72, 153, 0.05);
}

.checkbox-container .empty-state {
    color: var(--text-muted);
    font-size: 0.9rem;
    width: 100%;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.95rem;
    user-select: none;
    transition: var(--transition-fast);
}

.checkbox-item:hover {
    color: var(--primary-color);
    text-shadow: 0 0 5px rgba(236, 72, 153, 0.3);
}

.checkbox-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: rgba(22, 10, 18, 0.5);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    outline: none;
    transition: var(--transition-fast);
}

.checkbox-item input[type="checkbox"]:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--glow-soft);
}

.checkbox-item input[type="checkbox"]:checked::after {
    content: "✓";
    color: var(--bg-color);
    font-size: 0.75rem;
    font-weight: bold;
}

.checkbox-item input[type="checkbox"]:focus {
    border-color: var(--primary-color);
    box-shadow: var(--glow-soft);
}

.filter-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ==========================================================================
   KPI 監控儀表板樣式 (KPI Dashboard)
   ========================================================================== */
.kpi-dashboard {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
    width: 100%;
}

.kpi-card {
    flex: 1;
    background: rgba(22, 10, 18, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    box-shadow: inset 0 0 10px rgba(236, 72, 153, 0.05);
    transition: var(--transition-normal);
}

.kpi-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow-soft), inset 0 0 10px rgba(236, 72, 153, 0.1);
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: bold;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(236, 72, 153, 0.5);
}

/* 響應式：在小螢幕時改為垂直堆疊 */
@media (max-width: 768px) {
    .kpi-dashboard {
        flex-direction: column;
    }
}

/* ==========================================================================
   頁尾 (Footer)
   ========================================================================== */
.app-footer {
    text-align: center;
    padding: 1rem 0;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}