/* Frank3D - Modern STL Viewer Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #2D1B69 0%, #4A2C7F 25%, #6B4C9A 50%, #4A9FD8 75%, #00D4FF 100%);
    background-attachment: fixed;
}

/* Canvas - Full Page */
#frank3d-canvas {
    width: 100%;
    height: 100%;
    display: block;
    outline: none;
    touch-action: none;
}

/* Controls Container - Upper Left */
.frank3d-controls {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 100;
    background: rgba(20, 10, 40, 0.85);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 280px;
}

.frank3d-controls label {
    display: block;
    color: #00D4FF;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

/* Dropdown Styling */
.frank3d-dropdown {
    width: 100%;
    padding: 10px 12px;
    background: rgba(45, 27, 105, 0.9);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.frank3d-dropdown:hover {
    border-color: rgba(0, 212, 255, 0.6);
    background: rgba(45, 27, 105, 1);
}

.frank3d-dropdown:focus {
    border-color: #00D4FF;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.frank3d-dropdown option {
    background: #2D1B69;
    color: #ffffff;
    padding: 8px;
}

/* Model Info */
.frank3d-info {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#frank3d-model-name {
    color: #ffffff;
    font-size: 13px;
    font-weight: 500;
}

/* Loading Indicator */
.frank3d-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 50;
    text-align: center;
    background: rgba(20, 10, 40, 0.9);
    backdrop-filter: blur(10px);
    padding: 30px 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
}

.frank3d-loading.active {
    display: block;
}

.frank3d-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    border: 4px solid rgba(0, 212, 255, 0.2);
    border-top: 4px solid #00D4FF;
    border-radius: 50%;
    animation: frank3d-spin 1s linear infinite;
}

@keyframes frank3d-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.frank3d-loading p {
    color: #00D4FF;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Annotation Controls - Top Center */
.frank3d-annotation-controls {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    background: rgba(20, 10, 40, 0.85);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 10px;
}

.frank3d-control-btn {
    padding: 10px 16px;
    background: rgba(45, 27, 105, 0.9);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.frank3d-control-btn:hover {
    border-color: #00D4FF;
    background: rgba(45, 27, 105, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.frank3d-control-btn:active {
    transform: translateY(0);
}

.frank3d-control-btn.active {
    background: rgba(0, 212, 255, 0.3);
    border-color: #00D4FF;
}

/* Annotation Labels */
.frank3d-annotation {
    position: absolute;
    background: rgba(20, 10, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: 8px 12px;
    border-radius: 8px;
    border: 2px solid #00D4FF;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.4);
    z-index: 50;
    pointer-events: auto;
    min-width: 120px;
}

.frank3d-annotation input {
    background: rgba(45, 27, 105, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    color: #ffffff;
    padding: 6px 8px;
    font-size: 12px;
    width: 100%;
    margin-bottom: 6px;
}

.frank3d-annotation input:focus {
    outline: none;
    border-color: #00D4FF;
}

.frank3d-annotation-text {
    color: #ffffff;
    font-size: 13px;
    margin-bottom: 6px;
    word-wrap: break-word;
}

.frank3d-annotation-buttons {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.frank3d-annotation-btn {
    padding: 4px 10px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid rgba(0, 212, 255, 0.5);
    border-radius: 4px;
    color: #00D4FF;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.frank3d-annotation-btn:hover {
    background: rgba(0, 212, 255, 0.4);
    border-color: #00D4FF;
}

.frank3d-annotation-btn.delete {
    background: rgba(255, 51, 102, 0.2);
    border-color: rgba(255, 51, 102, 0.5);
    color: #ff3366;
}

.frank3d-annotation-btn.delete:hover {
    background: rgba(255, 51, 102, 0.4);
    border-color: #ff3366;
}

.frank3d-annotation::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 20px;
    background: #00D4FF;
}

.frank3d-annotation::after {
    content: '';
    position: absolute;
    bottom: -28px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #00D4FF;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

/* Color Picker - Upper Right */
.frank3d-color-picker {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
    background: rgba(20, 10, 40, 0.85);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.frank3d-color-picker label {
    color: #00D4FF;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.frank3d-color-input {
    width: 100%;
    height: 40px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    cursor: pointer;
    background: rgba(45, 27, 105, 0.5);
    transition: all 0.3s ease;
}

.frank3d-color-input:hover {
    border-color: rgba(0, 212, 255, 0.6);
}

.frank3d-color-input:focus {
    outline: none;
    border-color: #00D4FF;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.frank3d-preset-btn {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    background: rgba(45, 27, 105, 0.9);
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.frank3d-preset-btn:hover {
    border-color: #00D4FF;
    background: rgba(45, 27, 105, 1);
    transform: scale(1.1);
}

.frank3d-color-picker > div {
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

/* Instructions Overlay - Bottom Right */
.frank3d-instructions {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    background: rgba(20, 10, 40, 0.85);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 280px;
}

.frank3d-instructions h3 {
    color: #00D4FF;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.frank3d-instructions ul {
    list-style: none;
    padding: 0;
}

.frank3d-instructions li {
    color: #ffffff;
    font-size: 12px;
    line-height: 1.8;
    margin-bottom: 6px;
}

.frank3d-instructions li strong {
    color: #00D4FF;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .frank3d-controls {
        top: 10px;
        left: 10px;
        right: 10px;
        min-width: auto;
        padding: 12px 15px;
    }
    
    .frank3d-instructions {
        bottom: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        padding: 12px 15px;
    }
    
    .frank3d-instructions h3 {
        font-size: 12px;
    }
    
    .frank3d-instructions li {
        font-size: 11px;
    }
}

/* Left Side Button Panel */
.frank3d-left-panel {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.frank3d-side-btn {
    width: 60px;
    height: 60px;
    background: rgba(20, 10, 40, 0.85);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    font-size: 32px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.frank3d-side-btn:hover {
    border-color: #00D4FF;
    background: rgba(20, 10, 40, 1);
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.5);
}

.frank3d-side-btn-small {
    width: 50px;
    height: 50px;
    font-size: 24px;
}

/* Image Modal */
.frank3d-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.frank3d-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.frank3d-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: frank3d-modal-zoom 0.3s ease;
}

@keyframes frank3d-modal-zoom {
    from {
        transform: scale(0.7);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.frank3d-modal-content img {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.3);
}

.frank3d-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #00D4FF;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

.frank3d-modal-close:hover {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 1);
    transform: scale(1.2);
}

/* Footer Credits - Bottom Left */
.frank3d-footer {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 100;
    background: rgba(20, 10, 40, 0.85);
    backdrop-filter: blur(10px);
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.frank3d-footer p {
    margin: 0;
    font-family: 'Comic Sans MS', 'Comic Sans', cursive;
    font-size: 20px;
    color: #ff3366;
    line-height: 1.6;
    text-shadow: 0 0 10px rgba(255, 51, 102, 0.8), 0 0 20px rgba(255, 51, 102, 0.5);
}

.frank3d-footer a {
    color: #00D4FF;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.frank3d-footer a:hover {
    color: #00FFFF;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    transform: scale(1.05);
}

/* Shimmer Animation for Links */
.frank3d-shimmer {
    animation: frank3d-shimmer-effect 3s ease-in-out infinite;
}

.frank3d-shimmer:nth-child(1) {
    animation-delay: 0s;
}

.frank3d-shimmer:nth-child(2) {
    animation-delay: 0.7s;
}

.frank3d-shimmer:nth-child(3) {
    animation-delay: 1.4s;
}

@keyframes frank3d-shimmer-effect {
    0%, 100% {
        opacity: 1;
        text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
    }
    25% {
        opacity: 0.7;
        text-shadow: 0 0 15px rgba(0, 212, 255, 0.8), 0 0 25px rgba(0, 212, 255, 0.5);
    }
    50% {
        opacity: 1;
        text-shadow: 0 0 20px rgba(0, 212, 255, 1), 0 0 30px rgba(0, 255, 255, 0.7);
    }
    75% {
        opacity: 0.8;
        text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
    }
}

/* Scrollbar Styling for Dropdown */
.frank3d-dropdown::-webkit-scrollbar {
    width: 8px;
}

.frank3d-dropdown::-webkit-scrollbar-track {
    background: rgba(45, 27, 105, 0.5);
    border-radius: 4px;
}

.frank3d-dropdown::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.5);
    border-radius: 4px;
}

.frank3d-dropdown::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 212, 255, 0.8);
}