/* Main Calculator Styles - Version 1.0.1 */
.ptc-calculator {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.ptc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.ptc-header h2 {
    margin: 0;
    font-size: 28px;
    color: #333;
}

.ptc-unit-toggle {
    display: flex;
    gap: 15px;
}

.ptc-unit-toggle label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 15px;
    border-radius: 20px;
    transition: background 0.3s;
}

.ptc-unit-toggle label:hover {
    background: #f0f0f0;
}

.ptc-unit-toggle input[type="radio"] {
    margin-right: 5px;
}

.ptc-main {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

/* Controls Panel */
.ptc-controls {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.ptc-control-group {
    margin-bottom: 25px;
    position: relative;
}

.ptc-control-group label {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
    font-size: 14px;
}

.ptc-lock-btn {
    margin-left: auto;
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    padding: 4px 8px;
    color: #666;
    transition: all 0.3s;
}

.ptc-lock-btn:hover {
    color: #2196F3;
    background: rgba(33, 150, 243, 0.1);
    border-color: #2196F3;
}

.ptc-lock-btn.locked {
    color: #f44336;
    background: rgba(244, 67, 54, 0.1);
    border-color: #f44336;
}

.ptc-lock-btn.locked:hover {
    background: rgba(244, 67, 54, 0.2);
}

.ptc-lock-btn .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    line-height: 16px;
}

.ptc-info {
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-left: 5px;
    background: #2196F3;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 12px;
    line-height: 18px;
    cursor: help;
}

.ptc-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
    transition: border-color 0.3s;
}

.ptc-select:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.ptc-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ptc-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.ptc-input:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.ptc-input:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.6;
}

.ptc-input-small {
    flex: 0 0 80px;
}

.ptc-separator {
    color: #999;
    font-weight: 600;
}

.ptc-unit {
    font-weight: 600;
    color: #666;
    min-width: 25px;
}

.ptc-slider {
    width: 100%;
    margin-top: 10px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.ptc-slider:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Custom slider styling */
.ptc-slider {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    outline: none;
}

.ptc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #2196F3;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.ptc-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #2196F3;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.ptc-slider:hover::-webkit-slider-thumb {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
}

.ptc-slider:hover::-moz-range-thumb {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
}

.ptc-slider:disabled::-webkit-slider-thumb {
    background: #999;
    cursor: not-allowed;
    transform: scale(1);
    box-shadow: none;
}

.ptc-slider:disabled::-moz-range-thumb {
    background: #999;
    cursor: not-allowed;
    transform: scale(1);
    box-shadow: none;
}

.ptc-throw-type {
    margin-top: 8px;
    padding: 8px 12px;
    background: #e3f2fd;
    border-radius: 4px;
    font-size: 13px;
    text-align: center;
    font-weight: 600;
}

.ptc-zoom-control {
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ptc-zoom-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
    font-size: 12px;
    color: #999;
    font-weight: 600;
}

/* Visual Display */
.ptc-visual {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.ptc-visual-container {
    position: relative;
}

#ptc-svg {
    width: 100%;
    height: auto;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    background: linear-gradient(to bottom, #f8f9fa 0%, #fff 50%, #f8f9fa 100%);
}

/* SVG Animation for smooth transitions */
#ptc-projector-group,
#ptc-projector-group * {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#ptc-light-cone {
    transition: d 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

#ptc-screen,
#ptc-screen-group rect {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#ptc-distance-line line,
#ptc-distance-line polygon {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Projector animation on update */
@keyframes projectorPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

#ptc-projector-group.updating {
    animation: projectorPulse 0.5s ease-out;
}

.ptc-dimensions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.ptc-dimension-item {
    text-align: center;
}

.ptc-dim-label {
    display: block;
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ptc-dim-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

/* Results Panel */
.ptc-results {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
    color: white;
}

.ptc-results h3 {
    margin-top: 0;
    margin-bottom: 25px;
    color: white;
    font-size: 24px;
}

.ptc-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.ptc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ptc-result-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.ptc-result-value {
    font-weight: 700;
    color: white;
    font-size: 16px;
    display: flex;
    align-items: center;
}

.ptc-brightness-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.ptc-brightness-indicator.optimal {
    background: #4CAF50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.ptc-brightness-indicator.bright {
    background: #FFC107;
    box-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}

.ptc-brightness-indicator.dim {
    background: #FF5722;
    box-shadow: 0 0 10px rgba(255, 87, 34, 0.5);
}

/* Actions */
.ptc-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 30px 0;
}

.ptc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ptc-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.ptc-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.ptc-btn-secondary {
    background: white;
    color: #666;
    border: 2px solid #e0e0e0;
}

.ptc-btn-secondary:hover {
    background: #f8f9fa;
    border-color: #2196F3;
    color: #2196F3;
}

.ptc-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
    line-height: 18px;
}

/* Notes */
.ptc-notes {
    max-width: 600px;
    margin: 0 auto 20px;
    animation: slideDown 0.3s ease-out;
}

.ptc-notes label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.ptc-notes textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
    transition: border-color 0.3s;
}

.ptc-notes textarea:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

/* Messages */
.ptc-message {
    padding: 15px 20px;
    border-radius: 6px;
    margin: 20px auto;
    text-align: center;
    max-width: 600px;
    font-weight: 600;
    animation: slideDown 0.3s ease-out;
}

.ptc-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.ptc-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Distance Warning */
#ptc-distance-warning {
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    background: #fff3cd;
    color: #856404;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    border: 1px solid #ffeeba;
    animation: slideDown 0.3s ease-out;
}

/* Dark Theme */
.ptc-theme-dark {
    background: #1a1a1a;
    color: #e0e0e0;
}

.ptc-theme-dark .ptc-header {
    border-bottom-color: #333;
}

.ptc-theme-dark .ptc-header h2 {
    color: #e0e0e0;
}

.ptc-theme-dark .ptc-controls {
    background: #2a2a2a;
}

.ptc-theme-dark .ptc-visual {
    background: #2a2a2a;
}

.ptc-theme-dark .ptc-input,
.ptc-theme-dark .ptc-select {
    background: #333;
    border-color: #444;
    color: #e0e0e0;
}

.ptc-theme-dark .ptc-input:disabled {
    background: #222;
}

/* Responsive Design */
@media (max-width: 968px) {
    .ptc-main {
        grid-template-columns: 1fr;
    }
    
    .ptc-controls {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .ptc-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .ptc-dimensions {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .ptc-results-grid {
        grid-template-columns: 1fr;
    }
    
    .ptc-actions {
        flex-direction: column;
    }
    
    .ptc-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    body {
        font-size: 12pt;
    }
    
    .ptc-actions,
    .ptc-unit-toggle,
    .ptc-lock-btn,
    .ptc-slider,
    .ptc-notes,
    #ptc-message {
        display: none !important;
    }
    
    .ptc-calculator {
        max-width: 100%;
        padding: 0;
    }
    
    .ptc-main {
        grid-template-columns: 1fr 2fr;
    }
    
    .ptc-controls,
    .ptc-visual,
    .ptc-results {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .ptc-results {
        background: white !important;
        color: #333 !important;
    }
    
    .ptc-results h3 {
        color: #333 !important;
    }
    
    .ptc-result-item {
        background: #f8f9fa !important;
        border: 1px solid #ddd !important;
    }
    
    .ptc-result-label,
    .ptc-result-value {
        color: #333 !important;
    }
}