/* Skill Tree Modal Specific Styles */
.skill-tree-modal-content {
    max-width: 90vw;
    max-height: 90vh;
    width: 1200px;
    height: 800px;
}

.skill-tree-body {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0;
}

.skill-tree-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, #0F0A1F 0%, #1A0F2E 100%); /* Deep space gradient */
    border-bottom: 2px solid #9D4EDD; /* Cosmic purple border */
    border-radius: 8px 8px 0 0;
}

.skill-points-display {
    font-size: 1.2em;
    font-weight: bold;
    color: #00D4FF; /* Cosmic cyan */
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.skill-tree-instructions {
    color: #8892B0; /* Cosmic gray-blue */
    font-size: 0.9em;
    font-style: italic;
}

.skill-tree-container {
    flex: 1;
    position: relative;
    background: linear-gradient(135deg, #0F0A1F 0%, #1A0F2E 50%, #2D1B4E 100%); /* Cosmic space gradient */
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

#skill-tree-canvas {
    width: 100%;
    height: 100%;
    cursor: grab;
    display: block;
}

#skill-tree-canvas:active {
    cursor: grabbing;
}

.skill-details-panel {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 300px;
    background: rgba(15, 10, 31, 0.95); /* Deep space background */
    border: 2px solid #9D4EDD; /* Cosmic purple border */
    border-radius: 8px;
    padding: 15px;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 20px rgba(157, 78, 221, 0.3); /* Cosmic purple glow */
}

.skill-details-content h4 {
    margin: 0 0 10px 0;
    color: #00D4FF; /* Cosmic cyan */
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.skill-details-content p {
    margin: 0 0 15px 0;
    color: #B8C5FF; /* Light cosmic blue */
    line-height: 1.4;
}

.skill-prerequisites {
    margin: 15px 0;
    padding: 10px;
    background: rgba(45, 27, 78, 0.7); /* Dark cosmic purple */
    border-radius: 5px;
    border-left: 3px solid #FF006E; /* Cosmic pink accent */
}

.skill-prerequisites strong {
    color: #FF006E; /* Cosmic pink */
}

.skill-prerequisites ul {
    margin: 5px 0 0 0;
    padding-left: 20px;
    color: #8892B0; /* Cosmic gray-blue */
}

.skill-prerequisites li {
    margin: 3px 0;
}

.skill-actions {
    margin-top: 15px;
}

.skill-unlock-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #9D4EDD 0%, #7209B7 100%); /* Cosmic purple gradient */
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(157, 78, 221, 0.4); /* Cosmic purple glow */
}

.skill-unlock-btn:hover {
    background: linear-gradient(135deg, #7209B7 0%, #9D4EDD 100%); /* Reversed cosmic purple */
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(157, 78, 221, 0.6); /* Stronger cosmic glow */
}

.skill-unlock-btn:disabled {
    background: linear-gradient(135deg, #2D1B4E 0%, #3A2A5C 100%); /* Dark cosmic gray */
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.skill-status {
    margin-top: 10px;
    padding: 8px;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

.skill-status.unlocked {
    background: rgba(157, 78, 221, 0.2); /* Cosmic purple background */
    color: #9D4EDD; /* Cosmic purple text */
    border: 1px solid #9D4EDD;
}

.skill-status.locked {
    background: rgba(255, 0, 110, 0.2); /* Cosmic pink background */
    color: #FF006E; /* Cosmic pink text */
    border: 1px solid #FF006E;
}

.skill-status.available {
    background: rgba(0, 212, 255, 0.2); /* Cosmic cyan background */
    color: #00D4FF; /* Cosmic cyan text */
    border: 1px solid #00D4FF;
}

/* Responsive design for smaller screens */
@media (max-width: 1200px) {
    .skill-tree-modal-content {
        width: 95vw;
        height: 85vh;
    }
    
    .skill-details-panel {
        width: 250px;
        top: 5px;
        right: 5px;
        padding: 10px;
    }
}

@media (max-width: 768px) {
    .skill-tree-modal-content {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        margin: 0;
    }
    
    .skill-tree-info {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 10px 15px;
    }
    
    .skill-points-display {
        font-size: 1.1em;
    }
    
    .skill-tree-instructions {
        font-size: 0.8em;
    }
      .skill-details-panel {
        position: static;
        width: 100%;
        margin: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        backdrop-filter: none;
        background: rgba(15, 10, 31, 1); /* Solid cosmic background for mobile */
        max-height: 40vh;
        overflow-y: auto;
    }
    
    .skill-tree-body {
        flex-direction: column-reverse; /* Put details panel at bottom on mobile */
    }
    
    .skill-tree-container {
        min-height: 60vh;
        flex: 1;
    }
    
    .skill-unlock-btn {
        padding: 12px;
        font-size: 1em;
        touch-action: manipulation; /* Improve touch response */
    }
    
    .skill-details-content h4 {
        font-size: 1.1em;
        margin-bottom: 8px;
    }
    
    .skill-details-content p {
        font-size: 0.9em;
        margin-bottom: 12px;
    }
    
    .skill-prerequisites {
        margin: 12px 0;
        padding: 8px;
    }
    
    .skill-status {
        padding: 10px;
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .skill-tree-modal-content {
        padding: 0;
    }
    
    .modal-header {
        padding: 10px 15px;
    }
    
    .modal-header h3 {
        font-size: 1.2em;
    }
    
    .skill-tree-info {
        padding: 8px 12px;
    }
    
    .skill-points-display {
        font-size: 1em;
    }
    
    .skill-tree-instructions {
        font-size: 0.75em;
    }
    
    .skill-details-panel {
        padding: 12px;
        max-height: 35vh;
    }
    
    .skill-tree-container {
        min-height: 65vh;
    }
    
    .close-btn {
        width: 32px;
        height: 32px;
        font-size: 1.2em;
    }
}

/* Touch-specific improvements */
@media (hover: none) and (pointer: coarse) {
    /* Styles for touch devices */
    .skill-unlock-btn {
        min-height: 44px; /* Minimum touch target size */
        font-size: 1em;
    }
    
    .close-btn {
        min-width: 44px;
        min-height: 44px;
    }
    
    .skill-tree-container {
        touch-action: pan-x pan-y; /* Allow panning gestures */
    }
    
    #skill-tree-canvas {
        touch-action: none; /* Prevent default touch behaviors on canvas */
    }
}

/* Improve scrolling on mobile for skill details */
.skill-details-panel {
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    scrollbar-width: thin;
    scrollbar-color: #9D4EDD #0F0A1F; /* Cosmic purple on deep space */
}

.skill-details-panel::-webkit-scrollbar {
    width: 6px;
}

.skill-details-panel::-webkit-scrollbar-track {
    background: #0F0A1F; /* Deep space background */
}

.skill-details-panel::-webkit-scrollbar-thumb {
    background: #9D4EDD; /* Cosmic purple */
    border-radius: 3px;
}

.skill-details-panel::-webkit-scrollbar-thumb:hover {
    background: #7209B7; /* Darker cosmic purple */
}