/* Core Styles - Foundation, Layout, Shared Components */

/* CSS Variables - Consolidated for reuse */
:root {
    /* Font Stacks */
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Fira Code', 'Consolas', monospace;

    /* Status Colors */
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-warning: #ffaa00;
    --color-info: #3b82f6;

    /* Box Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* Base */
body {
    /* Virtue #5: System Fonts - "Leverage OS defaults for performance and familiarity" */
    font-family: system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #000;
}

/* Accessibility: Focus Styles */
:focus-visible {
    outline: 2px solid var(--accent-color, #0066cc);
    outline-offset: 2px;
}

/* Remove default outline only when focus-visible is supported */
:focus:not(:focus-visible) {
    outline: none;
}

/* Skip to content link for keyboard users */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #000);
    padding: 8px 16px;
    z-index: 10001;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* Main Container */
#container {
    display: flex;
    height: 100vh;
    transition: filter 0.4s ease-out, opacity 0.4s ease-out;
}

/* Disconnected state - desaturate and dim to indicate inactive state */
body.disconnected #container {
    filter: saturate(0.3);
    opacity: 0.7;
}

/* Attestation Feed - Matrix style background */
#attestation-feed {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
    padding: 20px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 10px;
    line-height: 1.4;
    /* Improved contrast: 0.15 -> 0.35 for better visibility */
    color: rgba(100, 255, 100, 0.35);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.attestation-line {
    opacity: 0;
    animation: fadeIn 0.5s ease-in forwards;
    display: inline;
}

.attestation-line:not(:last-child)::after {
    content: ' | ';
    /* Improved contrast: 0.15 -> 0.35 */
    color: rgba(170, 170, 170, 0.35);
}

.attestation-line .entity {
    /* Improved contrast: 0.2 -> 0.4 */
    color: rgba(126, 179, 255, 0.4);
}

.attestation-line .relation {
    /* Improved contrast: 0.15 -> 0.35 */
    color: rgba(170, 170, 170, 0.35);
    font-style: italic;
}

.attestation-line .value {
    /* Improved contrast: 0.2 -> 0.4 */
    color: rgba(136, 201, 153, 0.4);
}

/* Common Animations - Consolidated for reuse */
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .attestation-line {
        animation: none;
        opacity: 1;
    }

    #container {
        transition: none;
    }
}

/* Left Panel Structure */
#left-panel {
    width: 360px;
    background: #f8f8f8;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
}

/* Header */
#header {
    padding: 16px;
    border-bottom: 1px solid #ddd;
    background: #fff;
}

#header h1 {
    margin: 0 0 4px 0;
    font-size: 16px;
    font-weight: 600;
    color: #000;
}

#header .subtitle {
    margin: 0;
    font-size: 12px;
    color: #666;
}

/* Stats */
#stats {
    padding: 12px 16px;
    margin-bottom: 32px; /* Space for fixed log panel at bottom */
    background: #fff;
    border-top: 1px solid #ddd;
    font-size: 11px;
    color: #666;
}

#stats .stat-item {
    display: inline-block;
    margin-right: 16px;
}

#stats .stat-value {
    color: #000;
    font-weight: 600;
}


/* LLM Streaming Styles */
.progress-event.llm-stream {
    background: #1e1e1e;
    border-left: 3px solid #4ade80;
}

.llm-stream-content {
    font-family: Courier New, monospace;
    font-size: 11px;
    line-height: 1.4;
    padding: 8px;
    color: #d4d4d4;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.llm-cursor {
    display: inline-block;
    width: 8px;
    height: 14px;
    background: #4ade80;
    margin-left: 2px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.llm-model, .llm-stage {
    font-size: 9px;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 8px;
}

.llm-model {
    background: #2a2a4a;
    color: #a5b4fc;
}

.llm-stage {
    background: #2a4a2a;
    color: #86efac;
}

/* Responsive Utility Classes */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
}

/* Mobile Layout - Full screen graph with bottom input bar */
@media (max-width: 768px) {
    /* Hide left panel chrome on mobile */
    #left-panel {
        position: static;
        width: auto;
        background: transparent;
        border: none;
        display: contents; /* Let children escape the container */
    }

    #header,
    #stats {
        display: none;
    }

    /* Query container becomes fixed bottom bar */
    #query-container {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: #fff;
        border-top: 1px solid #ddd;
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
        display: flex;
        flex-direction: column;
    }

    /* Editor area - compact on mobile */
    #query-drop-zone {
        padding: 8px;
        background: #f8f8f8;
    }

    #codemirror-container {
        max-height: 80px;
        overflow-y: auto;
    }

    /* Hide run button on mobile - use keyboard submit */
    #run-ix-button {
        display: none !important;
    }

    /* Graph takes full viewport minus bottom bar */
    #graph-container {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 140px; /* Space for bottom bar */
        height: auto !important;
    }
}