/* Editorial Data Aesthetic - Distinctive Dashboard */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Space+Mono:wght@400;700&display=swap');

:root {
    --accent: #06ffa5;
    --accent-dark: #05cc84;
    --success: #06ffa5;
    --danger: #ff3366;
    --warning: #ffaa00;
    --info: #00d4ff;
    --neutral: #7d8590;

    --bg: #0d1117;
    --surface: #161b22;
    --surface-light: #1f2937;
    --text: #f0f6fc;
    --text-secondary: #c9d1d9;
    --text-muted: #7d8590;
    --border: rgba(240, 246, 252, 0.08);

    --cat-bug: #ff3366;
    --cat-feature: #00d4ff;
    --cat-ux: #06ffa5;
    --cat-performance: #ffaa00;
    --cat-docs: #bb86fc;
}

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

body {
    font-family: 'JetBrains Mono', 'Space Mono', monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    letter-spacing: -0.01em;
    overflow-x: hidden;
}

/* Layout Wrapper - Sidebar Layout */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.layout-wrapper:has(.chat-sidebar.open) .main-content {
    margin-right: 420px;
}

/* Atmospheric grid background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(6, 255, 165, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 255, 165, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.4;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent);
    position: relative;
}

.header > div {
    flex: 1;
}

/* Upload Actions */
.upload-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

.btn-sample {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--bg);
    border: none;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-sample:hover {
    box-shadow: 0 4px 20px rgba(6, 255, 165, 0.4);
    transform: translateY(-2px);
}

.btn-sample:active {
    transform: translateY(0);
}

.btn-sample:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-sample:disabled:hover {
    box-shadow: none;
    transform: none;
}

.btn-sample svg {
    width: 14px;
    height: 14px;
}

/* Chat Toggle Button */
.chat-toggle-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    background: var(--surface);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.chat-toggle-btn:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 20px rgba(6, 255, 165, 0.4);
    transform: translateY(-2px);
}

.chat-toggle-btn.active {
    background: var(--accent);
    color: var(--bg);
}

.chat-toggle-btn.active::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 12px;
    height: 12px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--bg);
}

.header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 120px;
    height: 2px;
    background: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.header h1::before {
    content: '▸ ';
    color: var(--accent);
}

.subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* Upload Section */
.upload-section {
    margin-bottom: 1.5rem;
}

.upload-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.5rem;
    position: relative;
}

.upload-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    opacity: 0.5;
}

.upload-zone {
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
    background: rgba(6, 255, 165, 0.05);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(6, 255, 165, 0.2), transparent);
    transition: left 0.5s;
}

.upload-zone:hover::before {
    left: 100%;
}

.upload-zone:hover {
    background: rgba(6, 255, 165, 0.1);
    box-shadow: 0 0 20px rgba(6, 255, 165, 0.3);
}

.upload-icon {
    color: var(--accent);
}

.upload-icon svg {
    width: 18px;
    height: 18px;
}

.upload-text {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.upload-hint {
    display: none;
}


/* Status */
.upload-status {
    margin-top: 1rem;
    padding: 0.625rem 1rem;
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 500;
    border-left: 3px solid;
}

.upload-status.success {
    background: rgba(6, 255, 165, 0.1);
    color: var(--success);
    border-color: var(--success);
}

.upload-status.error {
    background: rgba(255, 51, 102, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

.upload-status.loading {
    background: rgba(0, 212, 255, 0.1);
    color: var(--info);
    border-color: var(--info);
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    opacity: 0.5;
}

.card h2, .card h3 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: all 0.2s;
}

.stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.stat-card:hover::after {
    transform: scaleX(1);
}

.stat-card.positive {
    border-left: 2px solid var(--success);
}

.stat-card.negative {
    border-left: 2px solid var(--danger);
}

.stat-card.neutral {
    border-left: 2px solid var(--neutral);
}

.stat-icon {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    opacity: 0.6;
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.chart-card {
    min-height: 300px;
}

.chart-card.full-width {
    grid-column: 1 / -1;
    min-height: 260px;
}

.chart-card canvas {
    max-height: 300px;
}

/* Chat */
/* Chat Sidebar */
.chat-sidebar {
    position: fixed;
    right: 0;
    top: 0;
    width: 420px;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

.chat-sidebar.open {
    transform: translateX(0);
}

.chat-sidebar-header {
    padding: 2rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(6, 255, 165, 0.05) 0%, transparent 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.chat-sidebar-header > div {
    flex: 1;
}

.chat-sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text);
    letter-spacing: -0.02em;
}

.chat-close-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chat-close-btn:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
    transform: rotate(90deg);
}

.chat-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1.5rem;
    background: var(--bg);
    min-height: 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(6, 255, 165, 0.05);
    border-radius: 4px;
    margin: 0.5rem 0;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
    border: 2px solid var(--bg);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
    box-shadow: 0 0 8px rgba(6, 255, 165, 0.4);
}

/* Responsive - Hide sidebar on mobile */
@media (max-width: 1024px) {
    .chat-sidebar {
        display: none !important;
    }

    .layout-wrapper .main-content {
        margin-right: 0 !important;
    }
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
    text-transform: uppercase;
}

.chat-message.assistant .message-avatar {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--bg);
    box-shadow: 0 2px 8px rgba(6, 255, 165, 0.2);
}

.chat-message.user .message-avatar {
    background: var(--surface-light);
    color: var(--text);
    border: 1px solid var(--border);
}

.message-content {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    line-height: 1.6;
}

.chat-message.assistant .message-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
}

.chat-message.user .message-content {
    background: rgba(6, 255, 165, 0.08);
    border: 1px solid rgba(6, 255, 165, 0.2);
}

.message-content p {
    margin: 0 0 0.5rem 0;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}

.message-content li {
    margin-bottom: 0.25rem;
}

.chat-input-container {
    display: flex;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.2s;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(6, 255, 165, 0.1);
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.chat-send-btn {
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: var(--accent-dark);
    box-shadow: 0 0 20px rgba(6, 255, 165, 0.4);
}

.chat-send-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Filters */
.filter-controls {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-select {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.8125rem;
    font-family: inherit;
    cursor: pointer;
    flex: 1;
    min-width: 140px;
    transition: all 0.2s;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-primary, .btn-secondary {
    padding: 0.625rem 1.25rem;
    border: 1px solid;
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 0 20px rgba(6, 255, 165, 0.3);
}

.btn-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Table */
.table-container {
    overflow-x: auto;
}

.feedback-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.feedback-table th {
    background: var(--bg);
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.feedback-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.feedback-table tbody tr {
    transition: background 0.15s;
}

.feedback-table tbody tr:hover {
    background: rgba(6, 255, 165, 0.03);
}

.sentiment-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 2px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
}

.sentiment-badge.positive {
    background: rgba(6, 255, 165, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.sentiment-badge.negative {
    background: rgba(255, 51, 102, 0.15);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.sentiment-badge.neutral {
    background: rgba(125, 133, 144, 0.15);
    color: var(--neutral);
    border: 1px solid var(--neutral);
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 2px;
    font-size: 0.6875rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.025em;
}

.category-badge.bug {
    background: rgba(255, 51, 102, 0.15);
    color: var(--cat-bug);
    border: 1px solid var(--cat-bug);
}

.category-badge.feature {
    background: rgba(0, 212, 255, 0.15);
    color: var(--cat-feature);
    border: 1px solid var(--cat-feature);
}

.category-badge.ux {
    background: rgba(6, 255, 165, 0.15);
    color: var(--cat-ux);
    border: 1px solid var(--cat-ux);
}

.category-badge.performance {
    background: rgba(255, 170, 0, 0.15);
    color: var(--cat-performance);
    border: 1px solid var(--cat-performance);
}

.category-badge.docs {
    background: rgba(187, 134, 252, 0.15);
    color: var(--cat-docs);
    border: 1px solid var(--cat-docs);
}

.empty-state {
    text-align: center;
    padding: 2rem !important;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.6875rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(6, 255, 165, 0.2);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        flex-direction: column;
    }

    .message-content {
        max-width: 85%;
    }

    .upload-actions {
        justify-content: center;
    }
}