:root{--primary-color: #A3BE8C;--secondary-color: #81A1C1;--accent-color: #88C0D0;--background-color: #E0E5EC;--surface-color: #E0E5EC;--elevated-surface: #E0E5EC;--text-color: #2E3440;--text-secondary: #3B4252;--text-muted: #4C566A;--success-color: #A3BE8C;--error-color: #BF616A;--warning-color: #EBCB8B;--info-color: #B48EAD;--border-color: #D8DEE9;--shadow-light: #ffffff;--shadow-dark: #a3b1c6;--neumorphic-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);--neumorphic-shadow-inset: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);--neumorphic-shadow-small: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);--primary-color-alpha: rgba(163, 190, 140, .15);--card-background: #E0E5EC;--input-background: #E0E5EC;--code-background: #2E3440;--disabled-color: #D8DEE9}[data-theme=dark]{--primary-color: #7AA2F7;--secondary-color: #BB9AF7;--accent-color: #7DCFFF;--background-color: #2A2D3A;--surface-color: #2A2D3A;--elevated-surface: #2A2D3A;--text-color: #C0CAF5;--text-secondary: #A9B1D6;--text-muted: #565F89;--success-color: #9ECE6A;--error-color: #F7768E;--warning-color: #E0AF68;--info-color: #BB9AF7;--border-color: #2F334D;--shadow-light: #363948;--shadow-dark: #1e202c;--neumorphic-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);--neumorphic-shadow-inset: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);--neumorphic-shadow-small: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);--primary-color-alpha: rgba(122, 162, 247, .15);--card-background: #2A2D3A;--input-background: #2A2D3A;--disabled-color: #565F89}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--background-color);transition:all .3s ease}.main-nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--primary-color);color:#fff}.main-nav .logo a{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none}.main-nav .nav-links{display:flex;gap:2rem}.main-nav .nav-links a{color:#fff;text-decoration:none;transition:color .3s ease}.main-nav .nav-links a:hover{color:var(--secondary-color)}@media (max-width: 768px){.main-nav{flex-direction:column;padding:1rem}.main-nav .nav-links{margin-top:1rem;flex-direction:column;gap:1rem;text-align:center}}main{min-height:calc(100vh - 120px);padding:2rem}footer{text-align:center;padding:1rem;background-color:var(--primary-color);color:#fff}.card{background-color:var(--card-background);border:none;border-radius:20px;box-shadow:var(--neumorphic-shadow);transition:all .4s cubic-bezier(.4,0,.2,1)}.card:hover{box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light);transform:translateY(-2px)}.card.pressed{box-shadow:var(--neumorphic-shadow-inset)}.btn{background-color:var(--card-background);color:var(--text-color);border:none;padding:.75rem 1.5rem;border-radius:12px;cursor:pointer;box-shadow:var(--neumorphic-shadow-small);transition:all .3s cubic-bezier(.4,0,.2,1);font-weight:500}.btn:hover{box-shadow:6px 6px 12px var(--shadow-dark),-6px -6px 12px var(--shadow-light);transform:translateY(-1px)}.btn:active{box-shadow:var(--neumorphic-shadow-inset);transform:translateY(0)}.btn.btn-primary{color:var(--primary-color)}.btn.btn-secondary{color:var(--secondary-color)}.btn.btn-accent{color:var(--accent-color)}input,textarea{background-color:var(--input-background);color:var(--text-color);border:none;border-radius:12px;padding:.75rem 1rem;box-shadow:var(--neumorphic-shadow-inset);transition:all .3s ease}input:focus,textarea:focus{box-shadow:inset 4px 4px 8px var(--shadow-dark),inset -4px -4px 8px var(--shadow-light),0 0 0 3px var(--primary-color-alpha);outline:none}input::placeholder,textarea::placeholder{color:var(--text-muted)}::selection{background-color:var(--primary-color);color:var(--text-color)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--surface-color)}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}@media (max-width: 768px){.card{margin:.5rem}.btn{padding:.75rem 1.5rem}}