:root {
    /* Light Theme Colors */
    --bg-color: #f8fafc; /* Lighter background */
    --sidebar-bg: #ffffff;
    --panel-bg: #ffffff;
    --panel-border: #e2e8f0;
    
    /* Accents (Indigo Elite Palette) */
    --primary-color: #6366f1; /* Indigo Elite */
    --primary-hover: #4f46e5;
    --secondary-color: #06b6d4; /* Cyan */
    
    --accent-orange: #f59e0b; /* Amber */
    --accent-yellow: #fbbf24;
    --accent-green: #10b981;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    z-index: 10;
    box-shadow: 2px 0 10px rgba(0,0,0,0.02);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    margin-bottom: 40px;
}

.logo-icon {
    font-size: 24px;
    color: var(--primary-color);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    padding: 0 16px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-item i {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.nav-item:hover, .nav-item.active {
    background-color: #eff6ff;
    color: var(--primary-color);
}

.nav-item.active {
    border-left: 3px solid var(--primary-color);
    padding-left: 13px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--panel-border);
    margin-top: auto;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.user-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-header {
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    border-bottom: 1px solid var(--panel-border);
    background: var(--panel-bg);
    z-index: 5;
}

.top-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #ecfdf5;
    color: var(--success-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid #a7f3d0;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
}

.content-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.top-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
}

.panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.panel h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #111827;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 12px;
}

.panel h2 i {
    color: var(--primary-color);
}

/* Control Panel */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-main);
    font-weight: 600;
}

.input-group input {
    width: 100%;
    background-color: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.action-row {
    margin-top: auto;
}

.action-row .logo-icon {
    font-size: 24px;
    color: var(--primary-color);
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.4));
}

.start-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.start-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.start-btn.running {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-color));
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
    cursor: not-allowed;
    animation: pulseBtn 2s infinite;
}

@keyframes pulseBtn {
    0% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.5); transform: scale(1); }
    50% { box-shadow: 0 0 25px rgba(99, 102, 241, 0.8); transform: scale(1.02); }
    100% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.5); transform: scale(1); }
}

/* Graph Panel */
.graph-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 20px 0;
}

.node-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.node {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid #d1d5db;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
    z-index: 3;
}

.node i {
    font-size: 18px;
    color: var(--text-muted);
}

.node span {
    position: absolute;
    bottom: -24px;
    font-size: 12px;
    white-space: nowrap;
    color: var(--text-muted);
    font-weight: 600;
}

.edge {
    flex: 1;
    height: 3px;
    background-color: #e5e7eb;
    position: relative;
    z-index: 1;
    transition: background-color 0.3s ease;
}

.node.active {
    border-color: var(--accent-orange);
    background-color: #fff7ed;
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
    transform: scale(1.1);
}

.node.active i {
    color: var(--accent-orange);
}

.node.active span {
    color: var(--text-main);
}

.node.completed {
    border-color: var(--success-color);
    background-color: #ecfdf5;
}

.node.completed i {
    color: var(--success-color);
}

.edge.active {
    background: linear-gradient(90deg, var(--success-color), var(--accent-orange));
}

.edge.completed {
    background-color: var(--success-color);
}

.agent-status {
    margin-top: 50px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    background-color: #f9fafb;
    padding: 12px;
    border-radius: 8px;
    border: 1px dashed #d1d5db;
}

/* Content Cards */
.content-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.info-card {
    background: #ffffff;
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: none;
    border-top: 4px solid var(--primary-color);
}

.info-card#card-explanation { border-top-color: var(--primary-color); }
.info-card#card-data { border-top-color: var(--accent-yellow); }
.info-card#card-approaches { border-top-color: var(--accent-orange); }
.info-card#card-winners { border-top-color: var(--accent-green); }
.info-card#card-discussion { border-top-color: var(--accent-orange); }
.info-card#card-external_links { border-top-color: #333; }

.info-card.visible {
    display: block;
    animation: slideUp 0.4s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

.report-btn {
    background-color: #ffffff;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 12px;
}

.report-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 350px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.chat-widget.collapsed {
    transform: translateY(calc(100% - 50px));
}

.chat-header {
    background: var(--primary-color);
    color: white;
    padding: 14px 20px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.chat-body {
    height: 400px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
    max-width: 85%;
}

.bot-message {
    background-color: #f1f5f9;
    color: #1e293b;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.user-message {
    background-color: var(--primary-color);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-input-area {
    padding: 12px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 8px;
}

.chat-input-area input {
    flex: 1;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 13px;
    outline: none;
}

.chat-input-area button {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

.chat-input-area button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.info-card h3 {
    color: #111827;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 16px;
}

.info-card#card-explanation h3 i { color: var(--primary-color); }
.info-card#card-data h3 i { color: var(--accent-yellow); }
.info-card#card-approaches h3 i { color: var(--accent-orange); }
.info-card#card-winners h3 i { color: var(--accent-green); }
.info-card#card-discussion h3 i { color: var(--secondary-color); }

.card-content {
    color: #374151;
    font-size: 15px;
    line-height: 1.8;
}

/* Markdown Styling */
.card-content h1, .card-content h2, .card-content h3 {
    margin-top: 24px;
    margin-bottom: 12px;
    color: #111827;
}

.card-content h4 {
    margin-top: 16px;
    margin-bottom: 8px;
    color: #374151;
}

.card-content ul, .card-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.card-content li {
    margin-bottom: 8px;
}

.card-content p {
    margin-bottom: 16px;
}

.card-content code {
    background-color: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}

.card-content blockquote {
    border-left: 4px solid #e5e7eb;
    padding-left: 16px;
    margin-left: 0;
    color: #6b7280;
    font-style: italic;
}

.card-content hr {
    border: 0;
    border-top: 1px solid #e5e7eb;
    margin: 24px 0;
}

/* Specific styling for Approaches (to make them look like cards) */
.card-content h4 {
    background: #f9fafb;
    padding: 8px 12px;
    border-radius: 6px;
    border-left: 4px solid var(--primary-color);
}

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

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}