{% extends "base.html" %}

{% block title %}Dashboard{% endblock %}

{% block extra_css %}
<style>
.dashboard-container {
    padding: 100px 2rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: var(--text-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border: 1px solid rgba(0, 243, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.panel-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.panel-header .icon {
    font-size: 1.3rem;
}

/* Text Input Area */
.text-input-area {
    width: 100%;
    min-height: 200px;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
}

.text-input-area:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.1);
}

.text-input-area::placeholder {
    color: rgba(139, 155, 180, 0.4);
}

.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Results Panel */
.result-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.result-card.fake {
    border-color: rgba(255, 0, 85, 0.3);
    background: rgba(255, 0, 85, 0.05);
}

.result-card.real {
    border-color: rgba(0, 255, 157, 0.3);
    background: rgba(0, 255, 157, 0.05);
}

.verdict-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.verdict-badge.fake {
    background: rgba(255, 0, 85, 0.15);
    color: var(--accent);
    border: 1px solid rgba(255, 0, 85, 0.3);
}

.verdict-badge.real {
    background: rgba(0, 255, 157, 0.15);
    color: var(--secondary);
    border: 1px solid rgba(0, 255, 157, 0.3);
}

/* Confidence Meter */
.confidence-meter {
    margin: 1.5rem 0;
}

.meter-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.meter-track {
    height: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1s ease;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.meter-fill.fake {
    background: linear-gradient(90deg, var(--accent), var(--warning));
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.stat-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.stat-item .value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-item .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* Explanation Box */
.explanation-box {
    background: rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--primary);
    border-radius: 0 12px 12px 0;
    padding: 1rem 1.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Top Terms */
.terms-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.term-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(0, 243, 255, 0.08);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary);
}

/* Batch Upload */
.upload-zone {
    border: 2px dashed rgba(0, 243, 255, 0.2);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(0, 243, 255, 0.05);
}

.upload-zone .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.upload-zone p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.upload-zone .hint {
    font-size: 0.8rem;
    color: rgba(139, 155, 180, 0.5);
}

/* Batch Results Table */
.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.results-table th,
.results-table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.results-table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.results-table td {
    color: var(--text-primary);
}

.badge {
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-fake {
    background: rgba(255, 0, 85, 0.15);
    color: var(--accent);
}

.badge-real {
    background: rgba(0, 255, 157, 0.15);
    color: var(--secondary);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 243, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Model Stats */
.model-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.model-stat-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.model-stat-card .metric {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.model-stat-card .name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* Hidden */
.hidden { display: none; }
</style>
{% endblock %}

{% block content %}
<div class="dashboard-container">
    <div class="dashboard-header reveal">
        <h1>🔍 <span class="gradient-text">Detection Dashboard</span></h1>
        <p>Analyze news articles for misinformation using our AI-powered NLP engine</p>
    </div>

    <div class="dashboard-grid">
        <!-- Single Analysis Panel -->
        <div class="panel reveal">
            <div class="panel-header">
                <span class="icon">📝</span>
                <h2>Single Article Analysis</h2>
            </div>

            <textarea id="article-text" class="text-input-area" placeholder="Paste news article text here for instant verification... (minimum 20 characters)"></textarea>
            <div class="char-count"><span id="char-count">0</span> characters</div>

            <button id="analyze-btn" class="btn btn-primary" style="width: 100%; margin-top: 1rem; justify-content: center;">
                🚀 Analyze Article
            </button>

            <div id="single-result" class="hidden" style="margin-top: 1.5rem;">
                <!-- Results injected by JS -->
            </div>
        </div>

        <!-- Results Panel -->
        <div class="panel reveal">
            <div class="panel-header">
                <span class="icon">📊</span>
                <h2>Analysis Results</h2>
            </div>

            <div id="results-placeholder" style="text-align: center; padding: 3rem 1rem; color: var(--text-secondary);">
                <div style="font-size: 3rem; margin-bottom: 1rem;">🔬</div>
                <p>Enter text and click Analyze to see results here</p>
            </div>

            <div id="results-content" class="hidden">
                <!-- Dynamic results -->
            </div>
        </div>
    </div>

    <!-- Batch Upload Panel -->
    <div class="panel reveal" style="margin-bottom: 2rem;">
        <div class="panel-header">
            <span class="icon">📁</span>
            <h2>Batch Analysis</h2>
        </div>

        <div id="upload-zone" class="upload-zone">
            <div class="icon">📂</div>
            <p><strong>Drop CSV file here</strong> or click to browse</p>
            <p class="hint">Supports CSV, XLSX, XLS. Must contain a "text" column.</p>
            <input type="file" id="batch-file" accept=".csv" style="display: none;">
        </div>

        <div id="batch-loading" class="hidden" style="text-align: center; padding: 2rem;">
            <div class="spinner"></div>
            <p style="color: var(--text-secondary); margin-top: 1rem;">Analyzing articles...</p>
        </div>

        <div id="batch-results" class="hidden" style="margin-top: 1.5rem;">
            <!-- Batch results table -->
        </div>
    </div>

    <!-- Model Stats Panel -->
    <div class="panel reveal" style="margin-bottom: 2rem;">
        <div class="panel-header">
            <span class="icon">🤖</span>
            <h2>Model Performance</h2>
        </div>

        <div id="model-stats" class="model-stats-grid">
            <div class="model-stat-card">
                <div class="metric" id="stat-accuracy">--</div>
                <div class="name">Accuracy</div>
            </div>
            <div class="model-stat-card">
                <div class="metric" id="stat-precision">--</div>
                <div class="name">Precision</div>
            </div>
            <div class="model-stat-card">
                <div class="metric" id="stat-recall">--</div>
                <div class="name">Recall</div>
            </div>
            <div class="model-stat-card">
                <div class="metric" id="stat-f1">--</div>
                <div class="name">F1 Score</div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script src="{{ url_for('static', filename='js/dashboard.js') }}"></script>
{% endblock %}