:root{--bg-color: #0f0f13;--surface-color: #1a1a20;--primary-color: #646cff;--primary-hover: #7d83ff;--text-primary: #ffffff;--text-secondary: #a1a1aa;--border-color: #27272a;--input-bg: #27272a;--transition-speed: .3s;--font-main: "Outfit", sans-serif;--success-color: #10b981;--error-color: #ef4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-primary);display:flex;justify-content:center;align-items:center;min-height:100vh;line-height:1.6;overflow:hidden}.app-container{background:#1a1a20cc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:3rem;width:90%;max-width:500px;text-align:center;box-shadow:0 25px 50px -12px #00000080;animation:fadeIn .8s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}header{margin-bottom:2.5rem}h1{font-size:2.5rem;font-weight:600;background:linear-gradient(135deg,#fff,#a1a1aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem;letter-spacing:-.02em}p{color:var(--text-secondary);font-size:1rem}.input-group{display:flex;gap:12px;margin-bottom:2rem;position:relative}input{flex:1;background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:12px;padding:1rem 1.25rem;color:var(--text-primary);font-family:var(--font-main);font-size:1rem;transition:var(--transition-speed);outline:none}input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #646cff33}button{cursor:pointer;border:none;border-radius:12px;padding:0 1.5rem;font-family:var(--font-main);font-weight:600;font-size:1rem;transition:all var(--transition-speed)}#generateBtn{background-color:var(--primary-color);color:#fff}#generateBtn:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px -1px #646cff66}#generateBtn:active{transform:translateY(0)}#generateBtn:disabled{background-color:var(--border-color);cursor:not-allowed;transform:none;box-shadow:none}.preview-container{margin-bottom:2rem;position:relative}.color-preview{width:100%;height:250px;border-radius:20px;background-color:#27272a;display:flex;justify-content:center;align-items:center;box-shadow:inset 0 2px 4px #0000001a;transition:background-color .5s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.color-preview:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(255,255,255,.1),transparent 60%);pointer-events:none}#hexCode{background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:.5rem 1rem;border-radius:8px;font-family:monospace;font-size:1.2rem;color:#fff;opacity:0;transform:translateY(10px);transition:all .5s ease;cursor:pointer;position:relative}#hexCode:hover{background:#000c;transform:translateY(0) scale(1.05)}.color-preview.active #hexCode{opacity:1;transform:translateY(0)}.toast{display:none;position:fixed;top:0;left:0;transform:translateY(6px) scale(.98);background-color:var(--success-color);color:#fff;padding:12px 24px;border-radius:50px;font-weight:600;box-shadow:0 10px 15px -3px #0000001a;opacity:0;transition:all .3s cubic-bezier(.68,-.55,.265,1.55);z-index:1000;pointer-events:none;visibility:hidden;max-width:240px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toast.show{display:block;transform:translate(0) scale(1);opacity:1;pointer-events:auto;visibility:visible}.toast.error{background-color:var(--error-color)}.action-buttons{display:grid;gap:12px}.secondary-btn{background-color:transparent;border:1px solid var(--border-color);color:var(--text-secondary);width:100%;padding:1rem;display:flex;align-items:center;justify-content:center;gap:8px}.secondary-btn:hover:not(:disabled){background-color:#ffffff0d;color:var(--text-primary);border-color:#fff3}.secondary-btn:disabled{opacity:.5;cursor:not-allowed}