/**
 * Hash Chain Visualizer CSS
 * Tool-specific styling with proper width constraints
 */

/* Main Container - Constrain width */
.visualizer-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
    width: 100%;
    overflow-x: hidden;
}

/* Tool Header */
.tool-header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(0, 20, 40, 0.95);
    border: 1px solid #00ffff;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    width: 100%;
}

.tool-header h1 {
    color: #00ffff;
    font-size: 2em;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.tool-header p {
    color: #00ff88;
    font-size: 1.1em;
}

/* Breadcrumb Navigation */
.breadcrumb {
    margin: 20px 0;
    padding: 10px;
    color: #00ff88;
    font-size: 0.9em;
    word-break: break-word;
    overflow-wrap: break-word;
    box-sizing: border-box;
    width: 100%;
}

.breadcrumb a {
    color: #00ffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #00ff88;
}

.breadcrumb span {
    color: #00ff88;
}

/* Control Panels */
.control-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    box-sizing: border-box;
}

.control-panel {
    background: rgba(0, 20, 40, 0.95);
    border: 1px solid #00ffff;
    border-radius: 8px;
    padding: 20px;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    width: 100%;
}

.control-panel h3 {
    color: #00ffff;
    margin-bottom: 15px;
    font-size: 1.2em;
    text-transform: uppercase;
}

/* Button Groups */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.button-group .blockchain-btn {
    flex: 1;
    min-width: 120px;
}

/* Instructions Section */
.instructions {
    background: rgba(0, 20, 40, 0.95);
    border-left: 3px solid #00ff88;
    border-radius: 4px;
    padding: 15px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    width: 100%;
}

.instructions h4 {
    color: #00ff88;
    margin-bottom: 10px;
}

.instructions ol {
    color: #ffffff;
    padding-left: 25px;
}

.instructions li {
    margin: 8px 0;
    line-height: 1.6;
}

/* Chain Visualization Area */
#chain-container {
    background: rgba(0, 10, 20, 0.8);
    border: 2px solid #00ffff;
    border-radius: 8px;
    padding: 20px;
    margin: 30px 0;
    min-height: 300px;
    box-sizing: border-box;
    width: 100%;
    overflow-x: auto;
}

.chain-scroll-hint {
    text-align: center;
    color: #00ffff;
    font-size: 0.9em;
    margin-bottom: 10px;
    opacity: 0.7;
    animation: pulse-hint 2s ease-in-out infinite;
}

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

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #00ffff;
    font-size: 1.2em;
    opacity: 0.6;
}

/* Block Cards - Enhanced for visualizer */
.chain-scroll .block-card {
    min-width: 380px;
    max-width: 380px;
    flex-shrink: 0;
}

/* Statistics Display */
#stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
    box-sizing: border-box;
}

/* How It Works Section */
.how-it-works {
    background: rgba(0, 20, 40, 0.95);
    border: 1px solid #00ffff;
    border-radius: 8px;
    padding: 20px;
    margin: 30px 0;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    width: 100%;
    overflow-x: auto;
}

.how-it-works h2 {
    color: #00ffff;
    margin-bottom: 15px;
}

.how-it-works p {
    color: #ffffff;
    line-height: 1.8;
    margin: 10px 0;
    word-break: break-word;
}

.how-it-works ul {
    color: #ffffff;
    padding-left: 25px;
    margin: 10px 0;
}

.how-it-works li {
    margin: 8px 0;
}

/* Key Concepts */
.key-concepts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
    box-sizing: border-box;
}

.concept-card {
    background: rgba(0, 20, 40, 0.95);
    border: 1px solid #00ffff;
    border-radius: 8px;
    padding: 15px;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.concept-card h4 {
    color: #00ff88;
    margin-bottom: 8px;
}

.concept-card p {
    color: #ffffff;
    font-size: 0.9em;
    line-height: 1.6;
    word-break: break-word;
}

/* Highlight Box */
.highlight-box {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid #ffd700;
    border-radius: 4px;
    padding: 15px;
    margin: 15px 0;
    box-sizing: border-box;
}

.highlight-box p {
    color: #ffd700;
    margin: 0;
}

/* Console Integration Note */
.console-note {
    background: rgba(157, 78, 221, 0.2);
    border: 1px solid #9d4edd;
    border-radius: 4px;
    padding: 15px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.console-note h4 {
    color: #9d4edd;
    margin-bottom: 10px;
}

.console-note code {
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 6px;
    border-radius: 3px;
    color: #00ffff;
    font-family: 'Courier New', monospace;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .control-panels {
        grid-template-columns: 1fr;
    }

    .chain-scroll .block-card {
        min-width: 350px;
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .visualizer-container {
        padding: 10px;
    }

    .tool-header h1 {
        font-size: 1.5em;
    }

    /* Make chain vertical on mobile for better readability */
    .chain-scroll {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .chain-scroll .block-card {
        min-width: 100%;
        max-width: 100%;
        padding: 12px;
    }
    
    /* Hide chain connectors on mobile (they don't work vertically) */
    .chain-connector {
        display: none;
    }
    
    /* Add visual separator instead */
    .chain-scroll .block-card:not(:last-child)::after {
        content: '↓';
        display: block;
        text-align: center;
        font-size: 1.5em;
        color: #00ffff;
        margin-top: 10px;
    }

    .control-panel {
        padding: 15px;
    }

    .button-group {
        flex-direction: column;
    }

    .button-group .blockchain-btn {
        width: 100%;
    }

    .key-concepts {
        grid-template-columns: 1fr;
    }
    
    /* Adjust matrix controls for mobile */
    #matrix-controls {
        top: 10px;
        right: 10px;
        gap: 8px;
    }
    
    .matrix-control-btn {
        width: 36px;
        height: 36px;
        font-size: 1em;
    }
    
    /* Smaller hash displays on mobile */
    .hash-display {
        font-size: 0.7em;
    }
    
    .hash-value {
        word-break: break-all;
    }
    
    /* Scroll hint changes */
    .chain-scroll-hint {
        font-size: 0.85em;
    }
}

/* Small mobile optimization */
@media (max-width: 480px) {
    .tool-header h1 {
        font-size: 1.2em;
    }
    
    .chain-scroll .block-card {
        padding: 10px;
    }
    
    .hash-display {
        font-size: 0.65em;
        padding: 8px;
    }
    
    .block-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .control-panels {
        gap: 10px;
    }
    
    .blockchain-stats {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.block-card {
    animation: fade-in 0.3s ease-out;
}