:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--text-primary:#1e293b;--text-secondary:#64748b;--text-tertiary:#94a3b8;--border-color:#e2e8f0;--shadow:rgba(15,23,42,.08);--shadow-hover:rgba(15,23,42,.12);--shadow-lg:rgba(15,23,42,.1);--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#dbeafe;--secondary:#64748b;--secondary-hover:#475569;--success:#10b981;--success-hover:#059669;--success-light:#d1fae5;--danger:#ef4444;--danger-hover:#dc2626;--warning:#f59e0b;--accent:#8b5cf6}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-tertiary:#94a3b8;--border-color:#334155;--shadow:rgba(0,0,0,.3);--shadow-hover:rgba(0,0,0,.5);--shadow-lg:rgba(0,0,0,.4);--primary:#60a5fa;--primary-hover:#3b82f6;--primary-light:#1e3a8a;--secondary:#94a3b8;--secondary-hover:#64748b;--success:#34d399;--success-hover:#10b981;--success-light:#065f46;--danger:#f87171;--danger-hover:#ef4444;--warning:#fbbf24;--accent:#a78bfa}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease;line-height:1.6;font-size:16px}body{color:var(--text-primary);background:var(--bg-primary)}a{color:inherit;text-decoration:none}.container{max-width:1280px;margin:0 auto;padding:0 24px}@media (max-width:768px){.container{padding:0 16px}}.btn{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-size:15px;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 1px 2px 0 rgba(0,0,0,.05)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-hover) 100%);color:#fff;box-shadow:0 4px 6px -1px rgba(59,130,246,.3)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover) 0,var(--primary) 100%);transform:translateY(-1px);box-shadow:0 6px 12px -2px rgba(59,130,246,.4)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-secondary);border-color:var(--primary);transform:translateY(-1px)}.btn-success{background:linear-gradient(135deg,var(--success) 0,var(--success-hover) 100%);color:#fff;box-shadow:0 4px 6px -1px rgba(16,185,129,.3)}.btn-success:hover:not(:disabled){background:linear-gradient(135deg,var(--success-hover) 0,var(--success) 100%);transform:translateY(-1px);box-shadow:0 6px 12px -2px rgba(16,185,129,.4)}.input{padding:12px 16px;border:2px solid var(--border-color);border-radius:8px;font-size:15px;width:100%;background-color:var(--bg-secondary);color:var(--text-primary);transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.input::placeholder{color:var(--text-tertiary)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;background-color:var(--danger);color:#fff;text-transform:uppercase;letter-spacing:.5px}.discount-badge{background:linear-gradient(135deg,var(--success) 0,var(--success-hover) 100%);box-shadow:0 2px 4px rgba(16,185,129,.2)}