/* Hidden Markov Model Simulation Styles */

/* Container */
.hmm-container {
    font-family: 'Courier New', monospace;
    background: #0a0a0f;
    color: #e0e0e0;
    padding: 15px;
    border-radius: 8px;
    max-width: 800px;
    margin: 0 auto;
}

/* Control Panel */
.hmm-container .control-panel {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 12px 15px;
    margin-bottom: 15px;
}

.hmm-container .section-label {
    color: #4fc3f7;
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hmm-container .control-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 8px 0;
    flex-wrap: wrap;
}

.hmm-container .control-row label {
    color: #aaa;
    font-size: 12px;
    min-width: 60px;
}

.hmm-container .control-row button {
    background: linear-gradient(180deg, #2a4a6a 0%, #1a3a5a 100%);
    border: 1px solid #3a5a7a;
    color: #fff;
    padding: 6px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    transition: all 0.2s;
}

.hmm-container .control-row button:hover {
    background: linear-gradient(180deg, #3a5a7a 0%, #2a4a6a 100%);
    border-color: #4fc3f7;
}

.hmm-container .control-row button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hmm-container .control-row button.active {
    background: linear-gradient(180deg, #1a6a4a 0%, #0a5a3a 100%);
    border-color: #4CAF50;
}

.hmm-container input[type="range"] {
    width: 80px;
    accent-color: #4fc3f7;
}

.hmm-container .value-display {
    color: #4fc3f7;
    font-size: 11px;
    min-width: 40px;
}

/* Preset Select */
.hmm-container .preset-select {
    background: #1a2a3a;
    border: 1px solid #3a5a7a;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

/* Main Visualization Area */
.hmm-container .main-area {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.hmm-container .canvas-wrapper {
    flex: 1;
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
}

.hmm-container .canvas-label {
    color: #4fc3f7;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-align: center;
}

.hmm-container canvas {
    display: block;
    background: #0a0a14;
    border-radius: 4px;
    margin: 0 auto;
}

/* Matrix Panel */
.hmm-container .matrix-panel {
    width: 300px;
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
}

.hmm-container .matrix-title {
    color: #ffb74d;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-align: center;
}

/* Transition Matrix Table */
.hmm-container .matrix-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
}

.hmm-container .matrix-table th {
    background: #1a2a3a;
    color: #4fc3f7;
    padding: 4px 2px;
    font-size: 10px;
    border: 1px solid #2a3a5a;
}

.hmm-container .matrix-table td {
    padding: 2px;
    border: 1px solid #2a3a5a;
    text-align: center;
}

.hmm-container .matrix-table .row-header {
    background: #1a2a3a;
    color: #ffb74d;
    font-weight: bold;
    font-size: 10px;
    width: 30px;
}

.hmm-container .matrix-table input {
    width: 40px;
    background: #1a1a2e;
    border: 1px solid #3a4a5a;
    color: #fff;
    padding: 3px;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    border-radius: 3px;
}

.hmm-container .matrix-table input:focus {
    outline: none;
    border-color: #4fc3f7;
    box-shadow: 0 0 5px rgba(79, 195, 247, 0.3);
}

/* Observation Sequence Panel */
.hmm-container .observation-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
}

.hmm-container .observation-title {
    color: #ce93d8;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.hmm-container .observation-sequence {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 10px;
    min-height: 30px;
    padding: 5px;
    background: #1a1a2e;
    border-radius: 4px;
}

.hmm-container .observation-item {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
}

.hmm-container .observation-item.current {
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

/* Hidden State Sequence Panel */
.hmm-container .hidden-state-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
}

.hmm-container .hidden-state-title {
    color: #81c784;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.hmm-container .hidden-state-sequence {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    min-height: 30px;
    padding: 5px;
    background: #1a1a2e;
    border-radius: 4px;
}

.hmm-container .hidden-state-item {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    color: #fff;
}

/* State Colors */
.hmm-container .state-0 { background: #f44336; }
.hmm-container .state-1 { background: #4CAF50; }
.hmm-container .state-2 { background: #2196F3; }
.hmm-container .state-3 { background: #ff9800; }

/* Observation Colors */
.hmm-container .obs-0 { background: #e91e63; color: #fff; }
.hmm-container .obs-1 { background: #9c27b0; color: #fff; }
.hmm-container .obs-2 { background: #673ab7; color: #fff; }
.hmm-container .obs-3 { background: #3f51b5; color: #fff; }
.hmm-container .obs-4 { background: #00bcd4; color: #000; }

/* Info Panel */
.hmm-container .info-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 12px;
    margin-top: 10px;
}

.hmm-container .info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 12px;
    border-bottom: 1px solid #1a2a3a;
}

.hmm-container .info-row:last-child {
    border-bottom: none;
}

.hmm-container .info-label {
    color: #888;
}

.hmm-container .info-value {
    color: #4fc3f7;
    font-weight: bold;
}

/* Viterbi Panel */
.hmm-container .viterbi-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
}

.hmm-container .viterbi-title {
    color: #ffb74d;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-align: center;
}

.hmm-container .viterbi-grid {
    overflow-x: auto;
}

.hmm-container .viterbi-table {
    border-collapse: collapse;
    font-size: 10px;
    width: 100%;
}

.hmm-container .viterbi-table th,
.hmm-container .viterbi-table td {
    padding: 4px 6px;
    border: 1px solid #2a3a5a;
    text-align: center;
}

.hmm-container .viterbi-table th {
    background: #1a2a3a;
    color: #4fc3f7;
}

.hmm-container .viterbi-table .best-path {
    background: rgba(76, 175, 80, 0.3);
    border: 2px solid #4CAF50;
}

/* Forward Algorithm Panel */
.hmm-container .forward-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
}

.hmm-container .forward-title {
    color: #4fc3f7;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-align: center;
}

.hmm-container .forward-probability {
    text-align: center;
    font-size: 14px;
    color: #81c784;
    padding: 10px;
    background: #1a1a2e;
    border-radius: 4px;
}

/* Decision Panel */
.hmm-container .decision-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
}

.hmm-container .decision-title {
    color: #ce93d8;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-align: center;
}

.hmm-container .decision-content {
    font-size: 11px;
}

.hmm-container .decision-idle {
    color: #666;
    text-align: center;
    padding: 10px;
}

.hmm-container .decision-step {
    margin: 6px 0;
    padding: 6px 8px;
    background: #1a1a2e;
    border-radius: 4px;
    border-left: 3px solid #3a4a6a;
}

.hmm-container .decision-step.active {
    border-left-color: #ffd700;
    background: #252540;
}

.hmm-container .decision-step-label {
    color: #888;
    font-size: 10px;
    margin-bottom: 3px;
}

.hmm-container .decision-step-value {
    color: #fff;
}

/* Legend */
.hmm-container .legend {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 8px;
    background: #1a1a2e;
    border-radius: 4px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.hmm-container .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: #aaa;
}

.hmm-container .legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.hmm-container .legend-square {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* Trajectory Graph */
.hmm-container .trajectory-panel {
    background: #0d1117;
    border: 1px solid #2a3a5a;
    border-radius: 6px;
    padding: 10px;
    margin-top: 10px;
}

.hmm-container .trajectory-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.hmm-container .trajectory-title {
    color: #81c784;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hmm-container .trajectory-legend {
    display: flex;
    gap: 12px;
    font-size: 10px;
}

.hmm-container .trajectory-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.hmm-container .trajectory-legend-line {
    width: 20px;
    height: 3px;
    border-radius: 1px;
}

.hmm-container #trajectory-canvas {
    display: block;
    background: #0a0a14;
    border-radius: 4px;
    width: 100%;
}

/* Responsive */
@media (max-width: 800px) {
    .hmm-container .main-area {
        flex-direction: column;
    }
    
    .hmm-container .matrix-panel {
        width: 100%;
    }
}