:root{--blue-gradient: linear-gradient(90deg, #667eea 0%, #000000 100%);--blue-primary: #667eea;--blue-glow: rgba(102, 126, 234, .3);--blue-glow-strong: rgba(102, 126, 234, .5);--blue-border: 2px solid #667eea;--blue-border-thin: 1px solid #667eea}.gradient-text{background:var(--blue-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;-webkit-text-stroke:.5px var(--blue-primary)}.gradient-text-bold{background:var(--blue-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;-webkit-text-stroke:1px var(--blue-primary)}.btn-gradient{background:var(--blue-gradient);color:#fff;border:var(--blue-border);padding:15px 30px;font-size:16px;font-weight:700;border-radius:50px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 15px var(--blue-glow)}.btn-gradient:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--blue-glow-strong),0 0 20px var(--blue-glow)}.btn-gradient:active{transform:translateY(0)}.btn-secondary{background:#ffffff0d;color:#fff;border:var(--blue-border-thin);padding:8px 16px;font-size:14px;border-radius:6px;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:#667eea1a;border-color:var(--blue-primary);box-shadow:0 2px 10px var(--blue-glow)}.card-gradient{background:#ffffff0d;border:var(--blue-border);border-radius:12px;padding:30px;transition:all .3s ease;position:relative;overflow:hidden}.card-gradient:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,#667eea26,#00000026);opacity:0;transition:opacity .3s ease}.card-gradient:hover{transform:translateY(-5px);border-color:var(--blue-primary);box-shadow:0 10px 30px var(--blue-glow),0 0 20px var(--blue-glow)}.card-gradient:hover:before{opacity:1}.badge-gradient{display:inline-block;background:var(--blue-gradient);color:#fff;font-size:10px;padding:4px 10px;border-radius:12px;text-transform:uppercase;font-weight:700;letter-spacing:.5px;border:var(--blue-border-thin)}.icon-gradient{background:var(--blue-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;-webkit-text-stroke:1px var(--blue-primary);filter:drop-shadow(0 0 10px var(--blue-glow))}.panel-dark{background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:var(--blue-border-thin);border-radius:8px}.glow-blue{box-shadow:0 0 20px var(--blue-glow)}.btn-outline{background:transparent;color:#fff;border:var(--blue-border-thin);padding:8px 16px;border-radius:12px;cursor:pointer;transition:all .2s;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.btn-outline:hover{background:#667eea1a;border-color:var(--blue-primary);box-shadow:0 2px 10px var(--blue-glow)}.btn-outline:active{transform:scale(.95)}.stroke-blue{-webkit-text-stroke:1px var(--blue-primary)}.stroke-blue-thin{-webkit-text-stroke:.5px var(--blue-primary)}.border-blue{border:var(--blue-border)}.border-blue-thin{border:var(--blue-border-thin)}input[type=range].slider-blue{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:linear-gradient(90deg,#667eea,#555,#333);outline:none;cursor:pointer;transition:all .2s}input[type=range].slider-blue:hover{background:linear-gradient(90deg,#7d8eee,#666,#444);box-shadow:0 0 8px var(--blue-glow)}input[type=range].slider-blue::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:#000;border:2px solid var(--blue-primary);cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #00000080}input[type=range].slider-blue::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 12px var(--blue-glow-strong)}input[type=range].slider-blue::-webkit-slider-thumb:active{transform:scale(1.1)}input[type=range].slider-blue::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#000;border:2px solid var(--blue-primary);cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #00000080}input[type=range].slider-blue::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:0 0 12px var(--blue-glow-strong)}input[type=range].slider-blue::-moz-range-thumb:active{transform:scale(1.1)}input[type=range].slider-blue::-moz-range-track{height:6px;border-radius:3px;background:linear-gradient(90deg,#667eea,#555,#333)}input[type=checkbox].checkbox-blue{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border:2px solid var(--blue-primary);border-radius:4px;background:#000;cursor:pointer;position:relative;transition:all .2s;outline:none}input[type=checkbox].checkbox-blue:hover{background:#667eea1a;box-shadow:0 0 8px var(--blue-glow)}input[type=checkbox].checkbox-blue:checked{background:var(--blue-primary);border-color:var(--blue-primary);box-shadow:0 0 8px var(--blue-glow)}input[type=checkbox].checkbox-blue:checked:after{content:"";position:absolute;left:50%;top:50%;width:4px;height:8px;border:solid #000000;border-width:0 2px 2px 0;transform:translate(-50%,-65%) rotate(45deg)}.btn-blue{background:var(--blue-gradient);color:#fff;border:2px solid var(--blue-primary);padding:10px 20px;font-size:14px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s;box-shadow:0 2px 8px var(--blue-glow);outline:none}.btn-blue:hover{transform:translateY(-2px);box-shadow:0 4px 12px var(--blue-glow-strong);border-color:#7d8eee}.btn-blue:active{transform:translateY(0);box-shadow:0 2px 6px var(--blue-glow)}.btn-toggle{background:#ffffff0d;color:#ccc;border:1px solid #555;padding:8px 16px;font-size:13px;font-weight:500;border-radius:6px;cursor:pointer;transition:all .2s;outline:none}.btn-toggle:hover{background:#ffffff14;border-color:#777}.btn-toggle.active{background:var(--blue-primary);color:#fff;border-color:var(--blue-primary);box-shadow:0 0 10px var(--blue-glow)}.btn-toggle.active:hover{background:#7d8eee;border-color:#7d8eee}