/* DSA Visualization Common CSS */

/* Reset and Base Styles */
.dsa-visualization-reset * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    touch-action: manipulation;
}

.dsa-visualization-reset input,
.dsa-visualization-reset textarea {
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

/* HTML/Body Base */
.dsa-visualization-html,
.dsa-visualization-body {
    touch-action: manipulation;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

.dsa-visualization-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #000000;
    color: #ffffff;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.dsa-visualization-body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000000;
    z-index: -2;
}

/* Main Container */
.dsa-visualization-container {
    width: 100%;
    max-width: 1400px;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    padding: 32px;
}

/* Typography */
.dsa-visualization-title {
    color: #ffffff;
    margin-bottom: 16px;
    font-size: 1.75rem;
    font-weight: 800;
    text-align: center;
    position: relative;
    padding-bottom: 12px;
}

.dsa-visualization-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.dsa-visualization-subtitle {
    text-align: center;
    color: #94A3B8;
    margin-bottom: 24px;
    font-size: 0.9rem;
    font-weight: 600;
}

.dsa-visualization-section-title {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

/* Input Section */
.dsa-visualization-input-section {
    background: rgba(20, 20, 20, 0.5);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    position: relative;
}

.dsa-visualization-input-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px 16px 0 0;
}

.dsa-visualization-input-section h3 {
    color: #ffffff;
    margin-bottom: 16px;
    font-size: 1.25rem;
    font-weight: 700;
}

.dsa-visualization-input-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.dsa-visualization-input-field {
    width: 100%;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(30, 30, 30, 0.8);
    color: #ffffff;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.dsa-visualization-input-field:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(40, 40, 40, 0.9);
}

.dsa-visualization-input-field.error {
    border-color: #EF4444;
}

.dsa-visualization-input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 1rem;
    color: #E2E8F0;
}

/* Preset Buttons */
.dsa-visualization-preset-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.dsa-visualization-preset-btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-family: inherit;
    outline: none;
}

.dsa-visualization-preset-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Message Styles */
.dsa-visualization-error-msg {
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: 8px;
    font-weight: 500;
}

.dsa-visualization-success-msg {
    color: #10B981;
    font-size: 0.875rem;
    margin-top: 8px;
    font-weight: 500;
}

.dsa-visualization-current-input {
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 10px;
    margin-top: 16px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: #CBD5E1;
}

/* Legend */
.dsa-visualization-legend {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.dsa-visualization-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #E2E8F0;
}

.dsa-visualization-legend-color {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    flex-shrink: 0;
}

/* Visualization Area */
.dsa-visualization-area {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    margin: 24px 0;
    min-height: 500px;
    backdrop-filter: blur(10px);
}

/* Controls */
.dsa-visualization-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: nowrap;
}

.dsa-visualization-slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    max-width: 400px;
    min-width: 200px;
    position: relative;
}

.dsa-visualization-step-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #333;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.dsa-visualization-step-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.dsa-visualization-step-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.dsa-visualization-step-slider::-webkit-slider-track {
    width: 100%;
    height: 8px;
    background: #333;
    border-radius: 4px;
}

.dsa-visualization-step-slider::-moz-range-track {
    width: 100%;
    height: 8px;
    background: #333;
    border-radius: 4px;
    border: none;
}

.dsa-visualization-slider-labels {
    margin-top: 8px;
    text-align: center;
}

.dsa-visualization-slider-label {
    font-size: 14px;
    color: #ccc;
    font-weight: 500;
}

/* Buttons */
.dsa-visualization-step-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    padding: 0;
    flex-shrink: 0;
    margin-top: -14px;
    min-width: 44px;
    min-height: 44px;
    max-width: 44px;
    max-height: 44px;
}

.dsa-visualization-button {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    margin: 0;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    font-family: inherit;
    outline: none;
}

.dsa-visualization-button:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.dsa-visualization-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Step Info */
.dsa-visualization-step-info {
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 12px;
    margin: 16px 0;
    border: 1px solid rgba(255, 255, 255, 0.05);
    min-height: 70px;
}

.dsa-visualization-step-info h4 {
    margin: 0 0 10px 0;
    color: #3B82F6;
    font-weight: 600;
}

.dsa-visualization-progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    margin: 10px 0;
    overflow: hidden;
}

.dsa-visualization-progress-fill {
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Info Panel */
.dsa-visualization-info-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.dsa-visualization-info-box {
    background: rgba(255, 255, 255, 0.03);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dsa-visualization-info-box h3 {
    margin-top: 0;
    color: #ffffff;
    margin-bottom: 16px;
    font-size: 1.25rem;
    font-weight: 700;
}

.dsa-visualization-variables {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 15px;
}

.dsa-visualization-var-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.875rem;
    color: #E2E8F0;
}

/* Card Components */
.dsa-visualization-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #E2E8F0;
}

.dsa-visualization-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.dsa-visualization-card.available {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.dsa-visualization-card.current {
    background: rgba(255, 159, 28, 0.2);
    color: #FF9F1C;
    border-color: rgba(255, 159, 28, 0.4);
    font-weight: 600;
    box-shadow: 0 0 12px rgba(255, 159, 28, 0.6);
}

.dsa-visualization-card.selected {
    background: rgba(34, 197, 94, 0.2);
    color: #22C55E;
    border-color: rgba(34, 197, 94, 0.4);
    font-weight: 600;
}

.dsa-visualization-card.rejected {
    background: rgba(239, 68, 68, 0.1);
    color: #FF4444;
    border-color: rgba(239, 68, 68, 0.3);
    opacity: 0.8;
}

.dsa-visualization-card.assigned {
    background: rgba(34, 197, 94, 0.2);
    color: #22C55E;
    border-color: rgba(34, 197, 94, 0.4);
    font-weight: 600;
}

.dsa-visualization-card.unavailable {
    background: rgba(239, 68, 68, 0.1);
    color: #FF4444;
    border-color: rgba(239, 68, 68, 0.3);
    opacity: 0.7;
}

/* Grid Layouts */
.dsa-visualization-grid {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dsa-visualization-grid-small {
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 8px;
}

.dsa-visualization-grid-medium {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.dsa-visualization-grid-large {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

/* Section Containers */
.dsa-visualization-section {
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Color System */
.dsa-visualization-color-orange {
    background: rgba(255, 159, 28, 0.2);
    color: #FF9F1C;
    border-color: rgba(255, 159, 28, 0.4);
}

.dsa-visualization-color-green {
    background: rgba(34, 197, 94, 0.2);
    color: #22C55E;
    border-color: rgba(34, 197, 94, 0.4);
}

.dsa-visualization-color-red {
    background: rgba(239, 68, 68, 0.1);
    color: #FF4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.dsa-visualization-color-blue {
    background: rgba(59, 130, 246, 0.2);
    color: #3B82F6;
    border-color: rgba(59, 130, 246, 0.4);
}

.dsa-visualization-color-gray {
    background: rgba(255, 255, 255, 0.05);
    color: #E2E8F0;
    border-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .dsa-visualization-body {
        padding: 0;
        align-items: flex-start;
        min-height: 100vh;
        height: auto;
        transform: none !important;
        filter: none !important;
        perspective: none !important;
    }

    .dsa-visualization-container {
        border-radius: 0;
        min-height: 100vh;
        height: auto;
        margin: 0;
        padding: 20px 20px 100px 20px !important;
        max-width: none;
        width: 100%;
        transform: none !important;
        filter: none !important;
        perspective: none !important;
        backdrop-filter: none !important;
        background: #0a0a0a !important;
    }
}

@media (max-width: 768px) {
    .dsa-visualization-title {
        font-size: 1.5rem;
    }
    
    .dsa-visualization-info-panel {
        grid-template-columns: 1fr;
    }
    
    .dsa-visualization-controls {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: #000000 !important;
        padding: 12px 20px !important;
        margin: 0 !important;
        border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
        z-index: 99999 !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.8) !important;
        width: 100vw !important;
        max-width: none !important;
        box-sizing: border-box !important;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 12px;
        flex-wrap: nowrap;
        transform: none !important;
        filter: none !important;
        perspective: none !important;
    }
    
    .dsa-visualization-slider-container {
        min-width: 180px;
        max-width: 280px;
    }
    
    .dsa-visualization-step-btn {
        height: 30px;
        font-size: 16px;
        padding: 0;
        flex-shrink: 0;
        margin-top: -12px;
    }
    
    .dsa-visualization-slider-label {
        font-size: 12px;
    }
    
    .dsa-visualization-button {
        padding: 10px 16px;
        font-size: 0.875rem;
        min-width: 0;
    }
    
    .dsa-visualization-preset-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
        min-width: auto;
        white-space: nowrap;
        border-radius: 6px;
    }
    
    .dsa-visualization-preset-buttons {
        justify-content: center;
        gap: 8px;
    }
    
    .dsa-visualization-input-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dsa-visualization-input-field {
        min-width: auto;
        font-size: 0.875rem;
        padding: 12px;
    }
    
    .dsa-visualization-variables {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 8px;
    }
    
    .dsa-visualization-var-item {
        padding: 10px;
        font-size: 0.75rem;
    }
    
    .dsa-visualization-legend {
        gap: 15px;
        margin: 10px 0;
    }
    
    .dsa-visualization-legend-item {
        gap: 6px;
        font-size: 0.75rem;
    }
    
    .dsa-visualization-legend-color {
        width: 16px;
        height: 16px;
        border-radius: 4px;
    }
    
    .dsa-visualization-step-info {
        padding: 16px;
        margin: 12px 0;
        min-height: 60px;
    }
    
    .dsa-visualization-step-info h4 {
        font-size: 1rem;
        margin: 0 0 8px 0;
    }
    
    .dsa-visualization-step-info p {
        font-size: 0.875rem;
        margin: 0;
        line-height: 1.4;
    }
    
    .dsa-visualization-progress-bar {
        height: 6px;
        margin: 8px 0 0 0;
    }
    
    .dsa-visualization-input-section {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    .dsa-visualization-input-section h3 {
        font-size: 1.125rem;
        margin: 0 0 12px 0;
    }
    
    .dsa-visualization-current-input {
        padding: 12px;
        font-size: 0.75rem;
    }
    
    .dsa-visualization-info-box {
        padding: 16px;
    }
    
    .dsa-visualization-info-box h3 {
        font-size: 1.125rem;
        margin: 0 0 12px 0;
    }
    
    .dsa-visualization-info-box p {
        font-size: 0.875rem;
        margin: 4px 0;
    }
    
    .dsa-visualization-info-panel {
        gap: 12px;
        margin-top: 16px;
    }

    .dsa-visualization-area {
        padding: 20px;
        margin: 20px 0;
    }

    .dsa-visualization-section-title {
        font-size: 1.125rem;
        margin-bottom: 12px;
    }

    .dsa-visualization-section {
        padding: 16px;
    }

    .dsa-visualization-grid-small {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        gap: 6px;
    }

    .dsa-visualization-grid-medium {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 8px;
    }

    .dsa-visualization-grid-large {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
    }

    .dsa-visualization-card {
        min-height: 50px;
        font-size: 0.75rem;
        padding: 8px;
    }
}


/* Desktop layout fixes */
@media (min-width: 769px) {
    .dsa-visualization-area {
        position: relative;
        z-index: 1;
    }
    
    .dsa-visualization-controls {
        position: relative;
        z-index: 2;
        background: transparent;
        border: none;
        box-shadow: none;
    }
}