/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container and layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.logo-container {
    flex-shrink: 0;
}

.logo {
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.header-text {
    text-align: right;
    flex-grow: 1;
}

.title {
    font-size: 1.8rem;
    font-weight: 300;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    margin-bottom: 6px;
    letter-spacing: 2px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.subtitle {
    font-size: 0.9rem;
    color: #cccccc;
    opacity: 0.8;
    font-weight: 300;
}

/* Main content layout */
.main-content {
    display: grid;
    grid-template-columns: 650px 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

/* Controls panel */
.controls-panel {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid #ffffff;
    border-radius: 10px;
    padding: 12px;
    height: fit-content;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 12px;
}

/* Controls columns */
.controls-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.control-group {
    margin-bottom: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.control-group:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.control-group h3 {
    color: #ffffff;
    font-size: 0.85rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

/* Input groups */
.input-group {
    margin-bottom: 10px;
}

.input-group label {
    display: block;
    margin-bottom: 3px;
    font-size: 0.8rem;
    color: #cccccc;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 5px 8px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #ffffff;
    border-radius: 5px;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.8rem;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.input-group input[type="range"] {
    width: calc(100% - 50px);
    margin-right: 10px;
}

#noiseValue {
    display: inline-block;
    width: 40px;
    text-align: right;
    color: #ffffff;
}

/* Text positioning controls */
.text-position-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.position-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.position-group label {
    font-size: 0.8rem;
    color: #cccccc;
    margin-bottom: 3px;
}

.position-inputs {
    display: flex;
    gap: 6px;
}

.position-inputs input {
    flex: 1;
    padding: 4px 5px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #ffffff;
    border-radius: 3px;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.7rem;
    text-align: center;
}

.position-inputs input:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
}

/* Text sizing controls */
.text-size-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.size-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.size-group label {
    flex: 1;
    font-size: 0.8rem;
    color: #cccccc;
}

.size-group input[type="range"] {
    flex: 2;
    margin: 0;
}

.size-group span {
    min-width: 40px;
    text-align: right;
    color: #ffffff;
    font-size: 0.7rem;
}

/* Checkbox group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: #cccccc;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    accent-color: #ffffff;
}

/* Buttons */
.button-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.btn {
    padding: 8px 14px;
    border: none;
    border-radius: 5px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(45deg, #ffffff, #cccccc);
    color: #000;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #f0f0f0, #bbbbbb);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid #ffffff;
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

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

/* Preview panel */
.preview-panel {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid #ffffff;
    border-radius: 10px;
    padding: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.preview-container {
    position: relative;
    display: inline-block;
}

#textureCanvas {
    border: 2px solid #ffffff;
    border-radius: 5px;
    max-width: 100%;
    height: auto;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.preview-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    padding: 5px 10px;
    border-radius: 3px;
    border: 1px solid #ffffff;
}

.preview-info {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: #ffffff;
}

/* Presets panel */
.presets-panel {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid #ffffff;
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.presets-panel h3 {
    color: #ffffff;
    font-size: 0.85rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.preset-btn {
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #ffffff;
    border-radius: 5px;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.preset-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* Responsive design */
@media (max-width: 1400px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .controls-panel {
        order: 2;
        flex-direction: column;
    }
    
    .controls-column {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .control-group {
        flex: 1;
        min-width: 250px;
    }
    
    .preview-panel {
        order: 1;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .controls-column {
        flex-direction: column;
    }
    
    .control-group {
        min-width: auto;
    }
    
    .preset-buttons {
        flex-direction: column;
    }
    
    .preset-btn {
        text-align: center;
    }
}

/* Loading animation */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.loading {
    animation: pulse 1.5s infinite;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
    background: #ffffff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #cccccc;
}