/* Retail Ontology Knowledge Graph Styling */

/* Nothing Phone inspired design system */
:root {
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-accent: #FF3B30;
    --color-bg-primary: #F7F9FC;
    --color-bg-secondary: #FFFFFF;
    --color-text-primary: #2C3E50;
    --color-text-secondary: #7F8C8D;
    --color-border: #E0E0E0;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Card components */
.nothing-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nothing-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* Button styles */
.nothing-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.nothing-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.nothing-btn-primary {
    background: white;
    border: 2px solid white;
    color: var(--color-primary);
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.nothing-btn-primary:hover {
    background: var(--color-bg-primary);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Graph canvas styling */
#retail-graph-canvas {
    position: relative;
    overflow: hidden;
}

#retail-graph-canvas::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

/* Modal styling */
.modal-content {
    border-radius: 16px;
    border: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border-radius: 16px 16px 0 0;
    padding: 24px;
    border-bottom: none;
}

.modal-body {
    padding: 32px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 16px 24px;
}

/* Markdown content styling */
.modal-body h1 {
    color: var(--color-text-primary);
    margin-top: 32px;
    margin-bottom: 16px;
    font-size: 2rem;
    font-weight: 700;
}

.modal-body h2 {
    color: var(--color-text-primary);
    margin-top: 28px;
    margin-bottom: 14px;
    font-size: 1.6rem;
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 8px;
}

.modal-body h3 {
    color: var(--color-primary);
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-body code {
    background: #F7F9FC;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--color-accent);
}

.modal-body pre {
    background: #2C3E50;
    color: #ECF0F1;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
}

.modal-body blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
    margin: 20px 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.modal-body ul, .modal-body ol {
    padding-left: 24px;
    margin: 16px 0;
}

.modal-body li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.modal-body strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* Checklist styling */
.checklist-container input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
}

/* Legend styling */
.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* Responsive design */
@media (max-width: 1200px) {
    .nothing-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .nothing-btn-primary {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
}

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

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Info boxes */
.info-box {
    background: #EBF5FF;
    border: 2px solid #3498DB;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
}

.warning-box {
    background: #FFF3CD;
    border: 2px solid #FFC107;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
}

.success-box {
    background: #D4EDDA;
    border: 2px solid #28A745;
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
}