/* ENA 全域樣式 - 暗黑科技風 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #050805;
    --panel: rgba(10, 15, 10, 0.95);
    --green: #00ff9d;
    --border: 1px solid rgba(0, 255, 157, 0.3);
    --glass: rgba(255, 255, 255, 0.05);
    --text-primary: #e0e0e0;
    --text-secondary: #bdfce3;
    --red-strong: #ff3300;
    --yellow-mid: #ffcc00;
    --cyan-weak: #00ffff;
}

body {
    font-family: 'Inter', '標楷體', sans-serif;
    background: var(--bg);
    background-image: radial-gradient(#1a2f23 1px, transparent 1px);
    background-size: 40px 40px;
    min-height: 100vh;
    color: var(--text-primary);
}

/* ===== 頂部導航列 ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
    background: var(--panel);
    border-bottom: var(--border);
}

.navbar h1 {
    color: var(--green);
    font-size: 24px;
    text-shadow: 0 0 10px var(--green);
}

.tabs {
    display: flex;
    gap: 5px;
}

.tab-btn {
    background: none;
    border: 1px solid transparent;
    color: #888;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.3s;
    border-radius: 8px 8px 0 0;
}

.tab-btn:hover {
    color: var(--green);
}

.tab-btn.active {
    color: var(--green);
    border-color: var(--border);
    background: rgba(0, 255, 157, 0.08);
}

/* ===== 主內容區 ===== */
.main-container {
    padding: 20px;
    min-height: calc(100vh - 70px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== 面板樣式 ===== */
.dashboard {
    width: 100%;
    height: 85vh;
    display: grid;
    gap: 20px;
}

.dashboard.two-col {
    grid-template-columns: 1fr 1.5fr;
}

.dashboard.full-width {
    grid-template-columns: 1fr;
}

.panel {
    background: var(--panel);
    border-radius: 24px;
    border: var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.panel-header {
    padding: 15px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 255, 157, 0.08);
    border-bottom: var(--border);
    color: var(--green);
    font-weight: bold;
    letter-spacing: 1px;
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 25px;
    scroll-behavior: smooth;
}

.panel-body::-webkit-scrollbar { width: 6px; }
.panel-body::-webkit-scrollbar-thumb {
    background: var(--green);
    border-radius: 10px;
    box-shadow: 0 0 15px var(--green);
}

.panel-footer {
    padding: 20px;
    background: rgba(13, 20, 13, 0.9);
    backdrop-filter: blur(10px);
    border-top: var(--border);
}

/* ===== 表單元件 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--green);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-input {
    width: 100%;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(0, 255, 157, 0.2);
    color: white;
    padding: 12px 15px;
    border-radius: 10px;
    outline: none;
    font-size: 15px;
}

.form-input:focus {
    border-color: var(--green);
    box-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
}

textarea.form-input {
    resize: none;
    line-height: 1.7;
}

/* ===== 按鈕樣式 ===== */
.btn {
    background: var(--green);
    color: black;
    border: none;
    padding: 12px 30px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 900;
    transition: all 0.3s;
}

.btn:hover:not(:disabled) {
    box-shadow: 0 0 20px var(--green);
    transform: scale(1.02);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-outline {
    background: none;
    border: 1px solid var(--green);
    color: var(--green);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:hover:not(:disabled) {
    background: var(--green);
    color: black;
}

.btn-outline:disabled {
    border-color: #555;
    color: #555;
    cursor: not-allowed;
}

/* ===== 上傳按鈕 ===== */
.upload-label {
    display: block;
    border: 1px dashed var(--green);
    color: var(--green);
    padding: 20px;
    text-align: center;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-label:hover {
    background: rgba(0, 255, 157, 0.1);
}

/* ===== 對話框樣式 ===== */
.msg-box {
    display: flex;
    flex-direction: column;
}

.msg {
    max-width: 85%;
    padding: 14px 20px;
    border-radius: 20px;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 16px;
    animation: fadeIn 0.3s ease;
}

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

.msg.user {
    align-self: flex-end;
    background: #1e3d2f;
    border: 1px solid rgba(0, 255, 157, 0.2);
    border-bottom-right-radius: 4px;
}

.msg.bot {
    align-self: flex-start;
    background: #111;
    border: 1px solid var(--green);
    border-bottom-left-radius: 4px;
    box-shadow: 0 0 10px rgba(0,255,157,0.1);
}

.loading-text {
    color: var(--green);
    font-style: italic;
    font-size: 13px;
    margin-bottom: 10px;
    text-shadow: 0 0 5px var(--green);
}

/* ===== 輸入框列 ===== */
.input-row {
    display: flex;
    gap: 12px;
    background: rgba(0,0,0,0.4);
    padding: 6px;
    border-radius: 14px;
    border: 1px solid rgba(0, 255, 157, 0.2);
}

/* ===== 分段控制 ===== */
.chunk-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

/* ===== ENA 圖表區 ===== */
.chart-container {
    width: 100%;
    height: 60vh;
    background: #080c15;
    border-radius: 12px;
    overflow: hidden;
}

/* ===== 報告表格 ===== */
.report-section {
    margin-top: 30px;
    padding: 20px;
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    border: var(--border);
}

.report-section h3 {
    color: var(--green);
    margin-bottom: 15px;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
}

.report-table th, .report-table td {
    padding: 10px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.report-table th {
    color: var(--green);
}

/* ===== 狀態訊息 ===== */
.status-msg {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    font-size: 14px;
}

.status-msg.success {
    background: rgba(0, 255, 157, 0.1);
    border: var(--border);
    color: var(--green);
}

.status-msg.error {
    background: rgba(255, 51, 0, 0.1);
    border: 1px solid rgba(255, 51, 0, 0.3);
    color: var(--red-strong);
}

/* ===== API Key 設定面板 ===== */
.api-key-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 350px;
    height: 100vh;
    background: var(--panel);
    border-left: var(--border);
    padding: 30px;
    transition: right 0.3s;
    z-index: 1000;
}

.api-key-panel.open {
    right: 0;
}

.settings-btn {
    background: none;
    border: var(--border);
    color: var(--green);
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
}

/* ===== 響應式設計 ===== */
@media (max-width: 768px) {
    .dashboard.two-col {
        grid-template-columns: 1fr;
    }
    
    .navbar {
        flex-direction: column;
        gap: 10px;
    }
}