* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #ff6b6b;
    --accent-hover: #ff5252;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --card-bg: #2a2a2a;
    --card-border: #3a3a3a;
    --input-bg: #1e1e1e;
    --input-border: #3a3a3a;
    --button-bg: #ff6b6b;
    --button-hover: #ff5252;
    --gradient-start: #1a1a1a;
    --gradient-end: #2d2d2d;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
.app-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.app-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 40px 0;
}

.editor-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 30px;
    align-items: start;
}

/* Controls Panel */
.controls-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 25px;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.control-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--card-border);
}

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

.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Template Grid */
.template-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.template-item {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.template-item:hover {
    transform: scale(1.05);
}

.template-preview {
    aspect-ratio: 1;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--card-border);
    transition: border-color 0.2s ease;
    font-weight: 600;
    color: var(--text-primary);
}

.template-item:hover .template-preview {
    border-color: var(--accent-color);
}

.template-item.active .template-preview {
    border-color: var(--accent-color);
    border-width: 3px;
}

.template-drake {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.template-distracted {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.template-expanding {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.template-change {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.file-input {
    display: none;
}

/* Upload Section */
.upload-section {
    margin-top: 15px;
}

.upload-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--input-bg);
    border: 2px dashed var(--input-border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    font-weight: 500;
}

.upload-btn:hover {
    border-color: var(--accent-color);
    background: rgba(255, 107, 107, 0.1);
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="range"],
.form-group input[type="color"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input[type="range"] {
    padding: 0;
    height: 6px;
    background: var(--input-bg);
    border: none;
    cursor: pointer;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.form-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.form-group input[type="color"] {
    height: 45px;
    cursor: pointer;
    padding: 2px;
}

/* Position Controls */
.position-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.quick-positions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.pos-btn {
    padding: 10px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.pos-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

/* Buttons */
.download-btn,
.clear-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    margin-bottom: 10px;
}

.download-btn {
    background: var(--button-bg);
    color: var(--text-primary);
}

.download-btn:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.clear-btn {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--input-border);
}

.clear-btn:hover {
    background: var(--secondary-color);
    border-color: var(--accent-color);
}

/* Canvas Panel */
.canvas-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}

.canvas-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#meme-canvas {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

#meme-canvas.active {
    display: block;
}

.canvas-placeholder {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
}

.canvas-placeholder.hidden {
    display: none;
}

.canvas-placeholder p {
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .editor-layout {
        grid-template-columns: 1fr;
    }

    .controls-panel {
        position: static;
        max-height: none;
    }

    .canvas-panel {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .app-title {
        font-size: 2rem;
    }

    .app-subtitle {
        font-size: 1rem;
    }

    .template-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .controls-panel {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .app-header {
        padding: 20px 15px;
    }

    .main-content {
        padding: 20px 0;
    }

    .controls-panel {
        padding: 15px;
    }

    .canvas-panel {
        padding: 15px;
        min-height: 300px;
    }
}

/* Scrollbar Styling */
.controls-panel::-webkit-scrollbar {
    width: 8px;
}

.controls-panel::-webkit-scrollbar-track {
    background: var(--input-bg);
    border-radius: 4px;
}

.controls-panel::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}

.controls-panel::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}