:root{--bg-primary: #fcfbfa;--bg-secondary: #ffffff;--bg-card: rgba(255, 255, 255, .85);--text-primary: #121212;--text-secondary: #5a5752;--text-muted: #9c978f;--accent-color: #bfa17a;--accent-light: #e5dac9;--accent-dark: #8c7150;--success-color: #2e7d32;--danger-color: #c62828;--border-color: #e8e4dc;--border-focus: #bfa17a;--font-family-title: "Outfit", "Mitr", sans-serif;--font-family-body: "Sarabun", "Mitr", sans-serif;--shadow-sm: 0 2px 8px rgba(27, 26, 25, .04);--shadow-md: 0 10px 25px rgba(27, 26, 25, .06);--shadow-lg: 0 20px 45px rgba(27, 26, 25, .09);--glass-bg: rgba(255, 255, 255, .75);--glass-border: rgba(255, 255, 255, .4);--glass-blur: blur(12px);--transition-fast: .2s cubic-bezier(.16, 1, .3, 1);--transition-medium: .4s cubic-bezier(.16, 1, .3, 1);--transition-slow: .6s cubic-bezier(.16, 1, .3, 1);--radius-sm: 4px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--max-width: 1280px;--header-height: 72px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family-body);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:var(--transition-fast)}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}button{cursor:pointer}img{max-width:100%;height:auto;display:block}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--accent-light);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--accent-color)}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.flex-center{display:flex;align-items:center;justify-content:center}.glass-panel{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-family:var(--font-family-title);font-weight:500;font-size:14px;letter-spacing:.03em;transition:all var(--transition-medium);cursor:pointer}.btn-primary{background:var(--text-primary);color:var(--bg-secondary);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-dark);color:var(--bg-secondary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.btn-secondary:hover{border-color:var(--text-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-accent{background:var(--accent-color);color:var(--bg-secondary);box-shadow:var(--shadow-sm)}.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-text{padding:8px 16px;color:var(--text-secondary)}.btn-text:hover{color:var(--text-primary)}.form-group{margin-bottom:20px}.form-label{display:block;font-family:var(--font-family-title);font-size:13px;font-weight:500;margin-bottom:8px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.form-control{width:100%;padding:14px 18px;border-radius:var(--radius-md);background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);transition:all var(--transition-fast);font-family:var(--font-family-body)}.form-control:focus{border-color:var(--border-focus);box-shadow:0 0 0 4px #bfa17a26}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.03)}to{transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-medium) forwards}.room-canvas-container{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background-size:cover;background-position:center;transition:background-image var(--transition-slow)}.mockup-artwork-overlay{position:absolute;box-shadow:0 10px 30px #0000004d;transition:all var(--transition-slow);display:flex;align-items:center;justify-content:center;cursor:grab}.mockup-artwork-overlay:active{cursor:grabbing}.frame-border-black{border:12px solid #1a1a1a;outline:1px solid #000}.frame-border-natural{border:12px solid #e0b484;outline:1px solid #c79663}.frame-border-white{border:12px solid #f5f5f5;outline:1px solid #dcdcdc}.frame-border-none{border:1px solid rgba(0,0,0,.1);box-shadow:0 15px 40px #00000040}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-title);font-weight:600;color:var(--text-primary);line-height:1.25}.badge{display:inline-flex;padding:4px 10px;border-radius:var(--radius-sm);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-accent{background:var(--accent-light);color:var(--accent-dark)}.badge-success{background:#e8f5e9;color:var(--success-color)}