:root{--bg-color: #f8fafc;--sidebar-bg: rgba(255, 255, 255, .85);--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--primary: #6366f1;--primary-hover: #4f46e5;--gradient-start: #8b5cf6;--gradient-end: #3b82f6;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 8px 20px rgba(0, 0, 0, .06);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .08);--font-sans: "Outfit", "M PLUS Rounded 1c", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);background-image:radial-gradient(#e2e8f0 1px,transparent 1px);background-size:20px 20px;color:var(--text-main);display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;padding-bottom:env(safe-area-inset-bottom,0);user-select:none;-webkit-user-select:none}.logo{display:flex;align-items:center;gap:12px}.logo i{font-size:28px}.sidebar-logo{flex-direction:column;justify-content:center;text-align:center;gap:8px;margin-bottom:5px}.sidebar-logo i{font-size:42px}.sidebar-logo h1{font-size:20px;font-weight:700;line-height:1.2;letter-spacing:-.5px}.full-width{width:100%}.text-gradient{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-sans);font-size:15px;font-weight:600;padding:10px 20px;border-radius:12px;cursor:pointer;transition:all .2s ease;border:none;outline:none}.btn:active{transform:scale(.97)}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);box-shadow:0 4px 12px #6366f14d}.btn-gradient{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff}.btn-gradient:hover{box-shadow:0 6px 16px #8b5cf64d;transform:translateY(-1px)}.btn-outline{background-color:transparent;border:2px solid var(--border-color);color:var(--text-muted)}.btn-outline:hover{background-color:#f1f5f9;color:var(--text-main);border-color:#cbd5e1}.app-main{display:flex;flex:1;overflow:hidden}.sidebar{width:280px;background:var(--sidebar-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--border-color);padding:24px;padding-bottom:calc(24px + env(safe-area-inset-bottom,0));display:flex;flex-direction:column;gap:30px;overflow-y:auto;box-shadow:var(--shadow-sm);z-index:5}.tool-section{display:flex;flex-direction:column;gap:12px}.tool-section h3{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;display:flex;align-items:center;gap:8px}.mt-auto{margin-top:auto}.tool-buttons{display:flex;gap:10px}.tool-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:12px 0;background:#fff;border:2px solid transparent;border-radius:12px;cursor:pointer;font-family:inherit;font-weight:600;color:var(--text-muted);transition:all .2s;box-shadow:var(--shadow-sm)}.tool-btn i{font-size:20px}.tool-btn:hover{background:#f8fafc}.tool-btn.active{border-color:var(--primary);color:var(--primary);background:#eef2ff}.color-palette{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.color-swatch{width:100%;aspect-ratio:1;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .2s,border-color .2s;box-shadow:inset 0 2px 4px #0000001a}.color-swatch:hover{transform:scale(1.1)}.color-swatch.active{border:2px solid var(--text-main);transform:scale(1.15);box-shadow:0 4px 8px #0003}.custom-color-wrapper{display:flex;align-items:center;justify-content:space-between;margin-top:5px;font-size:14px;font-weight:500}.color-picker-container{width:40px;height:40px;border-radius:50%;position:relative;border:2px solid var(--border-color);cursor:pointer;box-shadow:0 2px 4px #0000001a;transition:transform .2s,box-shadow .2s}.color-picker-container:hover{transform:scale(1.1);box-shadow:0 4px 8px #00000026}.slider-container{display:flex;align-items:center;gap:12px}.custom-slider{flex:1;appearance:none;-webkit-appearance:none;height:6px;background:#e2e8f0;border-radius:6px;outline:none}.custom-slider::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 2px 6px #0003;transition:transform .1s}.custom-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.size-label{min-width:40px;font-size:13px;font-weight:600;color:var(--text-main);text-align:right}.brush-preview{height:60px;background:#fff;border-radius:12px;border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;margin-top:5px}#brush-preview-dot{border-radius:50%;background-color:red;transition:background-color .2s}.canvas-area{flex:1;position:relative;padding:24px;display:flex;align-items:center;justify-content:center;overflow:auto}.empty-state{text-align:center;color:var(--text-muted);animation:fadeIn .5s ease}.empty-icon{font-size:64px;margin-bottom:16px;color:#cbd5e1}.empty-state h2{font-size:24px;color:var(--text-main);margin-bottom:8px}.empty-state p{font-size:15px;line-height:1.6}.landscape-notice{margin-top:24px;display:inline-flex;align-items:center;gap:8px;background-color:#f1f5f9;color:var(--text-muted);padding:10px 16px;border-radius:20px;font-size:13px;font-weight:500;border:1px solid var(--border-color)}.landscape-notice i{font-size:16px}.canvas-container{max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center}.canvas-wrapper{position:relative;max-width:100%;max-height:100%;background:#fff;box-shadow:var(--shadow-lg);transform-origin:center center;will-change:transform}canvas{display:block;width:100%;height:100%;image-rendering:-moz-crisp-edges;image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges;touch-action:none}#draw-canvas{position:absolute;top:0;left:0;mix-blend-mode:multiply}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;visibility:hidden;transition:all .3s ease}.modal-overlay.active{opacity:1;visibility:visible}.modal-content{background:#fff;padding:32px;border-radius:20px;width:90%;max-width:480px;box-shadow:var(--shadow-lg);position:relative;transform:translateY(20px) scale(.95);transition:all .3s cubic-bezier(.34,1.56,.64,1);color:var(--text-main)}.modal-overlay.active .modal-content{transform:translateY(0) scale(1)}.modal-close{position:absolute;top:16px;right:16px;background:transparent;border:none;font-size:24px;color:var(--text-muted);cursor:pointer;transition:color .2s;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%}.modal-close:hover{color:var(--primary);background:#f1f5f9}.modal-content h2{font-size:24px;margin-bottom:12px;color:var(--primary);text-align:center}.modal-description{font-size:15px;line-height:1.6;margin-bottom:24px;text-align:center;color:var(--text-muted)}.modal-developer,.modal-credit{background:#f8fafc;padding:16px;border-radius:12px;margin-top:16px;border:1px solid var(--border-color)}.modal-developer h3,.modal-credit h3{font-size:13px;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;letter-spacing:.5px}.modal-credit p,.modal-credit ul{font-size:14px;color:var(--text-main)}.modal-credit ul{margin-top:6px;padding-left:20px}.social-link{display:inline-flex;align-items:center;gap:8px;color:var(--text-main);text-decoration:none;font-weight:600;transition:color .2s}.social-link:hover{color:#1da1f2}@media(max-width:850px),(orientation:portrait){.app-main{flex-direction:column}.sidebar{width:100%;border-right:none;border-top:1px solid var(--border-color);padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0));order:2;max-height:45vh;overflow-y:auto;gap:20px}.canvas-area{order:1;padding:16px;flex:1;min-height:0}.sidebar-logo{flex-direction:row;justify-content:flex-start;align-items:center}.sidebar-logo i{font-size:28px}.sidebar-logo h1{font-size:18px}.sidebar-logo h1 br{display:none}.tool-section{flex-direction:row;align-items:center;flex-wrap:wrap;gap:12px}.tool-section h3{width:100%;margin-bottom:0}.color-palette{grid-template-columns:repeat(auto-fill,minmax(36px,1fr));flex:1;width:100%}.mt-auto{margin-top:0;width:100%;display:flex;flex-wrap:wrap;gap:10px}.btn-clear,.btn-save,#btn-about{flex:1;min-width:140px;margin-top:0!important}}